SharpCap 4.0 is no longer being updated. The most up-to-date versions of SharpCap can be found here.

Sharpcap runs on Microsoft Windows – you should choose the version of SharpCap to install based on your version of Windows.

Windows 7 (with SP1), 8.1, 10, 11	Use SharpCap 4.0, 3.2 or 3.1
Windows Vista (with SP2), 7 (no SP), 8	Use SharpCap 3.0
Windows XP	SharpCap no longer supports Windows XP

SharpCap 4.0 Downloads

You can read about the new features in SharpCap 4.0. Documentation is available here.

SharpCap Pro: There isn’t a separate download for SharpCap Pro – just download the latest version of SharpCap and enter a license key to unlock the SharpCap Pro features. Find out more about SharpCap Pro here. See what’s included in the Free and Pro versions here.

32 or 64 bit version of SharpCap? Most people should use the default 32 bit version of SharpCap. The 64 bit version is recommended if you are running live stacking on high resolution cameras, particularly if you encounter out-of-memory errors with the 32-bit version. The 64-bit version does not support iNova cameras. Some ASCOM drivers may not support 64-bit SharpCap.

Looking for SharpCap 3.2? SharpCap 3.2 downloads can be found here.

Looking for SharpCap 4.1? SharpCap 4.1 is nearly finished and the latest download can be found here.

Latest Version

Download Version 4.0.9571.0 (32-bit) 27 September 2023 md5:7ab1966b6ecd59173ec7761e3574de1e sha1:807b1d75e80eceaf8941272f920bffe83d8b6126 Virus Total Scan Report Download Version 4.0.9571.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:a678b6c4fa3b28775a3a78ebd7497351 sha1:530d83cf29d30ae1a03b23ed4d6b8975860ac083 Virus Total Scan Report

SDK Updates from Altair, Player One, SVBony, ZWO – adding support for new models and fixing issues with these cameras

Previous Versions

Download Version 4.0.9562.0 (32-bit) 05 June 2023 md5:2f70b80fdae183599c391fc4052a05af sha1:2ebc94bfb37febc6663095226bf9f7e885e630bc Virus Total Scan Report Download Version 4.0.9562.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:f036eb26aa7a90418a603c5eeed27358 sha1:0fbc878fc1879931f90b976b0a37b35bf06cdb6a Virus Total Scan Report

SDK Updates from Moravian, Altair, QHY, SVBony and Player One – will support new models and fix issues with these cameras.

Download Version 4.0.9556.0 (32-bit) 02 May 2023 md5:0cc29389bdf566981f9bacadb09064eb sha1:ce4cf46b70a9eedf0d1c0e5aead71e3139d9b0a4 Virus Total Scan Report Download Version 4.0.9556.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:676d2f3d0e503c5a3fc8b7c27c8c677f sha1:09699af66ce4c76bce46e80210174b109437651f Virus Total Scan Report

Updated Camera SDKs from Altair, SVBony, ZWO Fix invalid resolution issues with ZWO cameras in hardware binning modes

Download Version 4.0.9545.0 (32-bit) 06 March 2023 md5:e1dc70ac351ae9a7daf2207a2cb0174e sha1:976745b049f3a8d992e8e01552efdc4e0d29b0e9 Virus Total Scan Report Download Version 4.0.9545.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:9a2296ce585578882505910bda226bd9 sha1:6bde754d436b8e37a35e882c6a81143dd5310822 Virus Total Scan Report

Updated SDKs from QHY, SVBony, Player One, Altair and Moravian

Download Version 4.0.9538.0 (32-bit) 23 January 2023 md5:e76d189f9218a4bce1d9e5746775d446 sha1:af40c873facd069a9c89c775e53af840e3fa10f4 Virus Total Scan Report Download Version 4.0.9538.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:62952a6419995e507e0dcf245c9fd21c sha1:d8578d92df9d2465adc88d249843ef0c841edcad Virus Total Scan Report

Updated Italian translation Fixes to calculations of valid capture areas for ZWO cameras in binned modes Bug fixes

Download Version 4.0.9529.0 (32-bit) 16 January 2023 md5:279938587f5152eb87e5aff9cfaa0b94 sha1:bac6fb928465e3e0f3c24d9c9477c965461090fe Virus Total Scan Report Download Version 4.0.9529.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:257db062d41eff3d63494ef2d01759c2 sha1:19ec90323f86d5872dd28468f8357e0676d17077 Virus Total Scan Report

Updated ZWO SDK – adds support for 462MM and 990MM Bug fixes

Download Version 4.0.9521.0 (32-bit) 04 January 2023 md5:acebee1b8b0e229366631db58b8eeab9 sha1:ccc48d227268147a0c9fbb44dac9a0045cfcc332 Virus Total Scan Report Download Version 4.0.9521.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e956dddd6b8886c44f8c69b4b8401d14 sha1:8fabe2fa928d0c2a0b05ed1bca8afc3e5e07e3d7 Virus Total Scan Report

Updated SDK for Player One cameras Fix autosave live stack option not being saved correctly Fix identification of Altair 26M/26C cameras and fix LCG/HCG changeover point Fix incorrect resolution on USB3 SVBony cameras under some circumstances Fix crash when trying to use ‘Apply Threshold’ with dark or flat correction enabled

Download Version 4.0.9511.0 (32-bit) 26 December 2022 md5:e69a97f80ba9f57efdc59c8e9c90b2c7 sha1:4acfb4eee49f3eb12e0276a7d8a38dbde0d32601 Virus Total Scan Report Download Version 4.0.9511.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:aae44f0e46100e1bfa06f2d5e370d896 sha1:d83432651cabcc24dd1213a240b70e0d316621f0 Virus Total Scan Report

Bug Fixes

Download Version 4.0.9499.0 (32-bit) 19 December 2022 md5:3a2a9bfbfab32119d86ce6bf48a6229f sha1:3d2293efb4ad7fca10452850f57045d683651ad5 Virus Total Scan Report Download Version 4.0.9499.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:36f9887ab9278f43c7a7188987073346 sha1:f3543af8b7e2d1a6f4c1287e5acab7062eb6ed63 Virus Total Scan Report

Updated Altair SDK – fixes bugs SharpCap will now automatically close after importing settings. Restart to use the imported settings Performance improvements to the extended target selection list when large custom target datasets are in use Bug fixes

Download Version 4.0.9481.0 (32-bit) 12 December 2022 md5:2838fe617f653604a717e3ae7a0b7890 sha1:ef867c56068b4125a73ca4edafe5dd544ddc51c8 Virus Total Scan Report Download Version 4.0.9481.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:4c914a59a1ccaac157d5f6ed0bcfa414 sha1:c0b2df73d71be09c4faa4ed55da45b3c9757569c Virus Total Scan Report

Updated SDKs from Altair, SVBony and ZWO – bug fixes and support for new camera models.

Download Version 4.0.9478.0 (32-bit) 28 November 2022 md5:ecd7e9e31d3479de8cc71c5427c099bd sha1:27a3bcdc6348b1c277167a2ff821c9ae852ecc7d Virus Total Scan Report Download Version 4.0.9478.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:7a7225c4d17eac32749c1db83724e1af sha1:026d0caa46daa85d630a40c8d9c0e54e2c88d2e8 Virus Total Scan Report

Fix save from mini histogram button saving a raw image rather than RGB Fix messaging when a file cannot be saved because it would overwrite an existing file Bug fixes

Download Version 4.0.9472.0 (32-bit) 21 November 2022 md5:d268e39b45df4c5c75e5e5dceb0e0776 sha1:a31092bc29aade8f140f977ae406a2c3459123f1 Virus Total Scan Report Download Version 4.0.9472.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:6c33886ba811d22a01bfc1a7ce679b56 sha1:3a7bdfecc1e5b46d74eeccb2c594f4a711550c2a Virus Total Scan Report

Fix clearing the saved dark filter in the capture flat window not being remembered Improve messaging when filename templates allow files to be overwritten by accident Fix camera temperature not updating on cooled AstCamPan cameras Small improvements to feature tracking calibration Bug fixes

Download Version 4.0.9464.0 (32-bit) 14 November 2022 md5:b1b92be809096082f442fb1c255ca2ed sha1:058f21eadaa5d7e52a0e93baf806513dcf976bee Virus Total Scan Report Download Version 4.0.9464.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:7dd0216cbbc05b9ba444c4bf522cc14b sha1:4931a516f7773999a40b3394b8a21409aa6275b7 Virus Total Scan Report

Update SVBony SDK to 1.9.8. IMPORTANT : SV405 users need to apply firmware update – this should fix communication lost issues with SV405. Fix ghosted image alignment not enabled if camera in 10/12/14/16 bit modes Bug fixes

Download Version 4.0.9455.0 (32-bit) 07 November 2022 md5:99d28551e06e623f8f39a46fe4d1a695 sha1:d4d31e225bfd6e1ec73b5defbe37e8512271d8f9 Virus Total Scan Report Download Version 4.0.9455.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:4cc4cb2da5561e70429df818eb402a2e sha1:fa9ad3cfe63f999a9f832eadcc9fd185151304e6 Virus Total Scan Report

Update SVBony SDK to 1.9.7 Feature tracking – fix minimum calibration distance setting being ignored Add option to specify a filter to use for dark flats when capturing a flat Bug fixes

Download Version 4.0.9441.0 (32-bit) 31 October 2022 md5:bbe6b25a9c30ccf44cdbd6cc44e7cc43 sha1:e4ef6a1b776c3e5e4beaefc556d7c4cba4eae810 Virus Total Scan Report Download Version 4.0.9441.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e9f8c07a10e2da741249cd2ba823eb52 sha1:ec27c2fe04470f4ab57fb0c61420f49a63dc247f Virus Total Scan Report

Updated QHY SDK Improvements to detecting custom filename templates that will cause files to be overwritten SharpCap will now give an error rather than overwrite an existing output image or video Bug fixes

Download Version 4.0.9431.0 (32-bit) 24 October 2022 md5:e9b9542fa398f2ec3fcbd7962e27da85 sha1:053b84a20766ca36cdb13c8402b8db2adacf1b2e Virus Total Scan Report Download Version 4.0.9431.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:f70cfcd328c1305e5f352c9afd052345 sha1:a7a1c149d544e1050031bbe7bff26c3dc3d311d4 Virus Total Scan Report

Updated SDK for AstroAsis cameras to support new models Fix incorrect error message when Windows Privacy blocks access to webcam Fix live stack naming when target name changed while stacking is closed Bug fixes

Download Version 4.0.9420.0 (32-bit) 17 October 2022 md5:b453db29d003cca63db257fb32b52617 sha1:8841f4d815eb5f4cb640d0c6051a7382ceb72d46 Virus Total Scan Report Download Version 4.0.9420.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:dd370e1626ea4bad6495f93c1adad2b4 sha1:95e7a6e20238d789f5c1f20e9ec2b717e979f98a Virus Total Scan Report

Fix wrong minimum exposure on QHY163M Fix missing ultra low noise mode on Altair mono cameras Allow live stack auto reset with folder monitor camera Fix issues with dark subtraction when using full frame dark and ROI for lights Improvements to multi-reticules Other bug fixes

Download Version 4.0.9402.0 (32-bit) 10 October 2022 md5:fb3e3644fff41acfecf3cdc2fb52d0c9 sha1:da31a57749ab9ba4967662bbd85fcc98b01e6650 Virus Total Scan Report Download Version 4.0.9402.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:02d4bc397741fe1cd22c8cf3b7a0313c sha1:9d557f72c2efe673eca6120041b8de8886798479 Virus Total Scan Report

Fix preserve camera settings step in sequencer to also preserve pre-processing settings Fix missing frame count list in Seeing Monitor Fix issue with ‘Save and Reset’ period in live stacking only being enabled when save and reset was off and vice versa Other bug fixes

Download Version 4.0.9392.0 (32-bit) 03 October 2022 md5:03c68080265cbfc8c00914989b72580d sha1:83f23c9638c6e3b54ab77601c456dbd8438a944a Virus Total Scan Report Download Version 4.0.9392.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:0aae11119ebf59c22895b35f721757f0 sha1:6a53e00d80995d7e019ad76888d8954335f34912 Virus Total Scan Report

Add Observer/Telescope headers to SER files Fix selection area not being saved/restored Fix smart scanning issue with bahtinov mask focusing Fix issues with new camera settings being duplicated on hardware settings page Add ‘Sync to Saved Co-ordinates’ step to sequencer Other bug fixes

Download Version 4.0.9382.0 (32-bit) 26 September 2022 md5:2e7be51b86482318aed864f5283fa3ec sha1:c1c842ee5311e05eaeb644188ab45d1dd85b9a43 Virus Total Scan Report Download Version 4.0.9382.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:0223c205e92202b809bc29b83bafe7d8 sha1:9efb0fa15db6f70dabab89fcd703b46c18470ea2 Virus Total Scan Report

Update QHY SDK – bug fixes and support new models Add new Camera settings page in the main settings – various camera specific settings are now on this page Add option to disable access to small pixel model on ASI294MM – this enables custom resolution selection on this camera Add option to disable SharpCap resending cooler settings to QHY cameras on startup – may help reduce UVLO errors New sequencer step to plate solve + sync mount but not recenter Numerous bug fixes

Download Version 4.0.9357.0 (32-bit) 12 September 2022 md5:4192d27c1e23380a947fe34ea5909d97 sha1:2876bb07054d865a821bc5ec0f2e88c3670b897f Virus Total Scan Report Download Version 4.0.9357.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:bb274085e56dc94a590c7807186f6319 sha1:42a5138cf7ef5fd989210b00a797bf3ba8f0893b Virus Total Scan Report

Update ZWO SDK to v1.26 to support new models Fix feature tracking using ROI not enabling ‘Guide’ button Add auto-white-balance buttons for Player One cameras Bug fixes

Download Version 4.0.9313.0 (32-bit) 05 September 2022 md5:45a86af661b2f341ca8257a04acc0088 sha1:6fa39672a41270d6991e2f6301875a7066cec73a Virus Total Scan Report Download Version 4.0.9313.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:ac938ac23bf9714070b7e4dc0d1411f1 sha1:698616cfa1f2f720e519539c267b7f3b211433ec Virus Total Scan Report

SharpCap updated for ASCOM 6.6 Old UI (and options relating to it) now removed Additional sequencer steps to save/restore mount co-ordinates New sequencer step to meridian flip a mount Fix freeze on Win11 when resizing window, also improvements to freeze reporting Fix issue reading some FITS files Various bug fixes

Download Version 4.0.9268.0 (32-bit) 29 August 2022 md5:f889be894940b697291c13f0712e59d4 sha1:6e7a034a8cd4a107692320fcd20d0f922547c158 Virus Total Scan Report Download Version 4.0.9268.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:763ddc892e0a8dc500c8863523e56e19 sha1:e2aa627505eeb77f42562c8d8765ad8fd6fe2c62 Virus Total Scan Report

Add functionality to export/import/reset SharpCap settings Add minimum contrast control when using center-of-mass feature tracking Bug fixes

Download Version 4.0.9246.0 (32-bit) 15 August 2022 md5:e6a99d617cd9c9d3901740c3f6f37752 sha1:c34970ba6773949e84d1e0a75a4da437957c9a79 Virus Total Scan Report Download Version 4.0.9246.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:94532ad3231798d7a4a9d06f6c6138bf sha1:d295b525cd88f59e13262d1b4b3c77179db6c7a1 Virus Total Scan Report

Add planet, Sun and Moon positions to catalogue of objects Update SVBony SDK to version 1.9.1 Add arrow key shortcuts for moving ROI box Improvements to feature tracking calibration. Auto swap RA direction when side-of-pier changes Multiple bug fixes

Download Version 4.0.9226.0 (32-bit) 02 August 2022 md5:7b73c78936c64f524fa001c8475998ce sha1:aac42408904adbfd97bb088cdba014019ea63e53 Virus Total Scan Report Download Version 4.0.9226.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:0dab6572c04a4cde32d99810ba716d89 sha1:4b08bc83d58b8b76153426ac38c227ef4c0dd867 Virus Total Scan Report

Fix webcam startup bug in 4.0.9224

Download Version 4.0.9224.0 (32-bit) 01 August 2022 md5:58224f8380feac9da2a4a41eb55b9a51 sha1:b16c60355e1997bb34a4fc766d33fa5e33da8ae5 Virus Total Scan Report Download Version 4.0.9224.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:b7d6d3658aad14c8dec6630b648f70d4 sha1:df511349c7e4294e03a11bd183a8459bec8eb83c Virus Total Scan Report

Bug fixes

Download Version 4.0.9208.0 (32-bit) 25 July 2022 md5:33d61f81f7659ab18d58b624e4d7410f sha1:150807f31f82f24c63ae88b71003dc236bef873c Virus Total Scan Report Download Version 4.0.9208.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:4b0abad603c1aa744eea7e1c365a9552 sha1:39db1997dc8c41c41db74cf2e60f898153013bbf Virus Total Scan Report

Update ZWO SDK to support new camera models Add a new ‘More…’ button when selecting a target showing a much larger list of potential targets which can be sorted and fitlered Fix errors in frame processing only being logged rather than being offered as a bug report Various bug fixes

Download Version 4.0.9180.0 (32-bit) 18 July 2022 md5:6575bda5fc0fd33d7119eefb00e0cd2d sha1:1c2e773619410cdaae86882d088c102687287f10 Virus Total Scan Report Download Version 4.0.9180.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:cdf16fbcd41cea6ab00fbe8274033c55 sha1:b32351524ea710f6307d4c4de007b7c674818182 Virus Total Scan Report

Add new GOTO co-ordinates tool that lets you enter co-ordinates or choose a target from the catalog. Fix bug causing mount co-ordinates to stop updating under some circumstances (new UI) Prevent repeated error reports from ASCOM driver errors from making SharpCap unusable Bug fixes

Download Version 4.0.9152.0 (32-bit) 11 July 2022 md5:f0096d8fb5aca8ad13cf650d3136a577 sha1:e93b41802256b2b752906495078556ecacf4edf7 Virus Total Scan Report Download Version 4.0.9152.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:05276da9eb650c23cd9d62e2c237eed3 sha1:d6867b893331779d576d5bdd37c663821b1f4b3f Virus Total Scan Report

Add a multi-reticule tool as a beta feature. Can be used for collimation Add solar colourization display effect (for mono cameras/modes) Update SVBony SDK to version 1.8.1 – improvements for SV405CC Fix error when starting PHD2 guiding from SharpCap Show percentage peak ADU in single star FWHM measurement tool Bug fixes

Download Version 4.0.9132.0 (32-bit) 04 July 2022 md5:f53ebdaf30edc73b38b2830fca819ab6 sha1:2987ac347374312720d0f38947816a208a85b7b5 Virus Total Scan Report Download Version 4.0.9132.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:df4e234bf0e5857fa783e0b1f6326dff sha1:f38ee2dd70689282485d11efd6f91e12a62b2f49 Virus Total Scan Report

Bug fixes and small usability improvements

Download Version 4.0.9109.0 (32-bit) 29 June 2022 md5:a1717c0dcb97ee2ae7518b60838035dd sha1:37bf8a36b3bb007bafff2030ccd137fc07ce7fa7 Virus Total Scan Report Download Version 4.0.9109.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:1bf2d90bc5cfa5ee5b948c571e25b144 sha1:7e966a4e8f045e64ba2e6bdaf41415ef1029deaa Virus Total Scan Report

Altair SDK update – fixes issues with USB2 cameras and 115M Feature tracking fix for mounts that do not support MoveAxis command Fix for Goto Image problems with plate solving FITS images

Download Version 4.0.9094.0 (32-bit) 27 June 2022 md5:e062263ea378deccd2a9d371076317a8 sha1:c2a441674989dd149e29052ad7f22aedb8901fbb Virus Total Scan Report Download Version 4.0.9094.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:0383ff8719d57450bc0201b0284ad80b sha1:2a5e196496c54f6ddbedda99e65b3d3ccd2a9874 Virus Total Scan Report

Add Goto Image tool to the tools menu Add 80% offset for ghosted image alignment to help with mosaics Fix saving height of tool area when switching tools SVBony SDK update to v1.7.3 Add option to start ZWO cameras at minimum turbo USB setting Performance improvements to live stacking Bug fixes

Download Version 4.0.9063.0 (32-bit) 20 June 2022 md5:e59e4a8bc10c3ff57a5ad098e14e83ee sha1:5872acd9099480692655bb0c99c6dbb65365af3f Virus Total Scan Report Download Version 4.0.9063.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:1bbb7157ab3bfb808e109b2e887622a4 sha1:735585bd78242580e932dc509d66f63fcd2a7419 Virus Total Scan Report

Updated SDKs from Altair and Player One Various windows (log, profile name, etc) updated with new dark theme New ghosted image alignment tool, overlays a selected image at 50% transparency Add support for AstroAsis cameras Captured flat frames will include filter name in filename (based on filename settings) Bug fixes

Download Version 4.0.9033.0 (32-bit) 13 June 2022 md5:6b0a5450059a22f5b1b5bb9074eae20e sha1:aa4d1515cda6182a26a84b22c85784fa60171d70 Virus Total Scan Report Download Version 4.0.9033.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d7fefa8223ff2ecdcd84e0b42d384b06 sha1:cf2c088df17baecabbdbc24224c1c12cd9401d6a Virus Total Scan Report

Fix pixel size headers in FITS files to correctly include binning setting Fix missing temperature, binning info to FITS files saved from cooled SVBony cameras Fix duplicated mount movement rates showing Fix LCG/HCG changeover point for Altair 533 cameras Try to fix problems with auto hide windows taskbar in new UI. Other bug fixes

Download Version 4.0.9011.0 (32-bit) 06 June 2022 md5:943f7822a79d2df557852bd5309c4af6 sha1:ba89cb7d91f362c44953961ff6a03d15f435467e Virus Total Scan Report Download Version 4.0.9011.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d7bad2ec43d9a0680400144b3e814241 sha1:541011147640dd5a9fc9e10156cb46a922acaad2 Virus Total Scan Report

Reduce CPU usage when running Player One cameras Fix live stacking histogram drift when using very dim frames Refine live stack histogram graph when using logarithmic horizontal scaling Add hot pixel removal tool as an alternative to using dark frames (selected via ‘Dark Subtraction’ control) Fix for not remembering autohide of camera controls in new UI Bug fixes

Download Version 4.0.8990.0 (32-bit) 30 May 2022 md5:7d8ee81877fe10734c53488228cae3cd sha1:6d15500c1dce199569c756a036db44dd73cf2203 Virus Total Scan Report Download Version 4.0.8990.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:62b0960621cf78c8e466c577a1acee6c sha1:32868e3fb3d3c9c279bddb1a73a0a816c9cea7a6 Virus Total Scan Report

New UI is now the default for all users. Fix Atik cameras that have cooler but no setpoint ability Try to fix annotation offset when live stacking is compensating for image drift Bug fixes

Download Version 4.0.8973.0 (32-bit) 23 May 2022 md5:d778007f56878ab21622a1725c30952f sha1:0189c311f60b02ac642884d89d1e2e800e1bb6ce Virus Total Scan Report Download Version 4.0.8973.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:8c39a77a21ab67887477ff01ded17da4 sha1:90398d7dcec7a7761f710725e0dd1a0d869a061a Virus Total Scan Report

Updated SDKs from QHY, ZWO – bug fixes and support new models Allow custom frame types to be entered into the toolbar box Write average frame rate to capture settings for video captures Circle reticules show sky distance (D:M:S) as well as pixel size if focal length known from ASCOM mount Bug fixes

Download Version 4.0.8949.0 (32-bit) 09 May 2022 md5:b73375b5ade0b2fe65b0a7a48d4fbe46 sha1:c25d4bb7a1373225c8a6acca9b72bc798dbaa20a Virus Total Scan Report Download Version 4.0.8949.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:118db1f0790a67b3d48e23da12c30908 sha1:4e968cf5bb1eb804b690580b3ea8bbd345f62f70 Virus Total Scan Report

Updated SDKs from Altair and Player One – new model support and bug fixes Improvements to performance of histogram drawing to reduce CPU usage (new UI) Bug fixes

Download Version 4.0.8927.0 (32-bit) 02 May 2022 md5:155533da8dfb1bccb93895a3ec6db139 sha1:cab59660bc4a138e9b87e53202cebc9676941370 Virus Total Scan Report Download Version 4.0.8927.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d3296ea5124e44cc3e036803004abea6 sha1:eeec5c4de7958b2e6be2a287f048be21fe19f5a2 Virus Total Scan Report

Satellite trail removal – make the paint out area narrower for thin trails Atik Cameras – fix gain in High Speed Mode QHY and Manual filter wheels – add option to specify Focus Offset Capture dark/flat – can keep individual frames, cancel process, run from sequencer. Also saved images named ‘MasterDark’, ‘MasterFlat’. Sequencer capture still frames will now walk PHD2 through looping/star select/calibrate/guide if necessary and guiding enabled Bug fixes

Download Version 4.0.8894.0 (32-bit) 25 April 2022 md5:7178d0a00c76bf03639a7b79c03f5b8d sha1:e01810326db8ecaa742e19a99377ad497abafc8b Virus Total Scan Report Download Version 4.0.8894.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:605d912cfe12aea3196b0d07e899b4bb sha1:2542164caf35eb846018352694466c1b062e8537 Virus Total Scan Report

Improvements to focus scanning/autofocus Add unlimited quick capture option Add focuser temperature to FITS headers Bug fixes

Download Version 4.0.8861.0 (32-bit) 19 April 2022 md5:deff71b8bb144595db108f3fdf36ad5c sha1:ecec3becf5595be17ae9edd7113e8f2e9276c988 Virus Total Scan Report Download Version 4.0.8861.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:8bd0a91ee8a70eab54df1d09c7cec17c sha1:0a52e3e1cfa506b9c2158c6b55a765136ddf7821 Virus Total Scan Report

Fix crash when trying to capture again after cancelling the start capture window in 4.0.8856

Download Version 4.0.8856.0 (32-bit) 18 April 2022 md5:050641f7bc8acc2390710ff0848a5cf1 sha1:ed0478f03b00fe436b4bb81eb6a19d124642014a Virus Total Scan Report Download Version 4.0.8856.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:fa0e4d1a6cc06116c0185c384725ea9a sha1:60799bed231d5db5a647cb1f1b29f6c81d095462 Virus Total Scan Report

Improvements to satellite trail detection/removal – much less likely to incorrectly detect the core of a globular cluster as one or more satellite trails Focuser temperature readout shown if value is available from ASCOM focuser Save with deep sky annotations from live stacking will save using live stack filenaming. Bug fixes

Download Version 4.0.8833.0 (32-bit) 11 April 2022 md5:2bcacb29e7ea55395b79d9b777bc6369 sha1:ecec8438e8dca75225944e610372d9f1ec3d63aa Virus Total Scan Report Download Version 4.0.8833.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:f8a9e01b99eac939a076af68875c4397 sha1:0c56f12724ac0f4f05157cb10026e1ad855ce8cd Virus Total Scan Report

New feature – gradient removal as an option for background subtraction Improvements to row noise reduction to reduce the chance of over-correction Fix height of tool pane not remembered for new UI Fix crash when windows DPI changed Add zoom image by hotkey (CTRL + / CTRL -) Fix controls/tool pane content invisible after repeated pin/unpin of content. Stop updating polar alignment guidance if further rotation detected during adjustment phase Bug fixes

Download Version 4.0.8791.0 (32-bit) 31 March 2022 md5:c9c3d5bcc21ac747880f354f414ed0ad sha1:fed3fdd5d504f0109c4b470ac12229073e3224f9 Virus Total Scan Report Download Version 4.0.8791.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:9f6fb1528f9f4e6f758a259fadbb53c7 sha1:4431192f976f7af8d5685bddd34858ef22d8e575 Virus Total Scan Report

Fix crash in capture flat Fix problems with measuring frame brightness in smart histogram brain

Download Version 4.0.8785.0 (32-bit) 28 March 2022 md5:f6959fbb6e896a9588494a6aab11a185 sha1:6d5f8ad3168db0f3d97f8447e26f8e7f23875d20 Virus Total Scan Report Download Version 4.0.8785.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:f9222765231bd4cf2471baa6aeb971d5 sha1:8cd8ef022ac1f76e8f908e0d50c5fb5e6a1680b5 Virus Total Scan Report

Add the ability to invert the display (toggled by button in mini histogram) Add option to include frame type in directory names without needing advanced filename templates Fix issues with freezing when histogram shown while using high speed cameras in New UI Increase minimum exposure used in sensor analysis for QHY cameras to avoid incorrect results Bug fixes

Download Version 4.0.8765.0 (32-bit) 23 March 2022 md5:b4e03e780f7a3363fecda21e6cf389d7 sha1:95ecdbb6f5472de6c26a4235e34e12a1a24f1c27 Virus Total Scan Report Download Version 4.0.8765.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e13df86eefbaed1f384f9d57367edec6 sha1:af5424fe63325e3cce370231ff8f1520c96135e0 Virus Total Scan Report

Fix crash on startup on Windows 7 in 4.0.8757 Fix SharpCap window overlaps taskbar in new UI mode if SharpCap stops responding Fix not remembering selected mount movement rate when restarting SharpCap

Download Version 4.0.8757.0 (32-bit) 21 March 2022 md5:980301e8d0e2e7153658f0bc42dc2792 sha1:a0dccb9a10210d79bd2da4d0426869e025a5b591 Virus Total Scan Report Download Version 4.0.8757.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:9dcb7372f09db0733afc546544260bdb sha1:18eaec1b2a7fd9a8d8d71875892ab33976fcd782 Virus Total Scan Report

Fix Autozoom not working on New UI High DPI improvements for new UI (splash screen etc) Limit rate of requests for status/position sent to ASCOM filter wheels Improvements to framing assistant calibration when mount axes align with camera axes Bug fixes

Download Version 4.0.8744.0 (32-bit) 14 March 2022 md5:353ed50cf546e8f1946980c3eacb6986 sha1:a6eb98c6307fc788c4b5a5b8eddf4252fb2fd1f9 Virus Total Scan Report Download Version 4.0.8744.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:889fddb8822fd50b667268f990a9da1b sha1:164c75484b5f9032301ea67b2cfd3da4620dc015 Virus Total Scan Report

Improvements to satellite trail removal New Polish translation Fix unable to cancel long single frame captures started from ‘Start Capture’ Fix splash screen moving on high DPI displays Add experimental AstroTIFF support (enabled via option) Bug fixes

Download Version 4.0.8718.0 (32-bit) 07 March 2022 md5:8a3eaa62c4be8ee1a21736a9d201b2ca sha1:d7d19ec3027d6cee82c54f9f546445b715a47082 Virus Total Scan Report Download Version 4.0.8718.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:8e409a3c6e973b82cfc64ee55b5de1c0 sha1:b6f3e6443487c9462e963f979ed688bbc8801394 Virus Total Scan Report

Improvments to Satellite Trail Removal – increased sensitivity range and better handling of wide trails Fix incorrect ETA when capturing at longer exposures Fix incorrect background colour on polar alignment in new UI Bug fixes

Download Version 4.0.8709.0 (32-bit) 28 February 2022 md5:3f26fa8de600605abeda19144ad4e53d sha1:dce76f08fef77593a92a5cdb3e5e2dd04a05628a Virus Total Scan Report Download Version 4.0.8709.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:1b66df762acdd30526012651948850bb sha1:d928c07cb4505432c925c5266f382d884c18a16c Virus Total Scan Report

New Feature : Satellite Trail Removal – see this forum thread for more info. Bug fixes

Download Version 4.0.8695.0 (32-bit) 21 February 2022 md5:2ee23e8ec0d9689fd5b7d81fa5f8e62e sha1:7250e9e21e5b1e296d1c4a074b8f1afe70baf2e8 Virus Total Scan Report Download Version 4.0.8695.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d5a359e51465c4bd46b78a2aa31e8696 sha1:f4652f94c4dadaae042f1f48b7acf7f15d647c02 Virus Total Scan Report

Fix bugs with new UI mode Updated SVBony SDK Bug fixes

Download Version 4.0.8682.0 (32-bit) 14 February 2022 md5:6898a1c3df6c98d954f81f82c8f76a76 sha1:ac297c16e43dffad4daf72f101036f5e5476a956 Virus Total Scan Report Download Version 4.0.8682.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:09a056a1d506eebed8587cf5866c5d6b sha1:483e9ab1123c83904b40d298d20b1c3ddd8423d3 Virus Total Scan Report

Fix number of steps increasing each time autofocus is used New UI is now default for first time SharpCap users Add altitude and azimuth headers to FITS files when data is available Bug Fixes

Download Version 4.0.8667.0 (32-bit) 07 February 2022 md5:b8313f3fe3ef94c94e61aba496f4d255 sha1:1dd423468776947d3a8f758ff517e7b8c3d0d555 Virus Total Scan Report Download Version 4.0.8667.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e7e42dc6629532ea5ee85164f25fe063 sha1:12d6f2ccdce98369b88fd1120bf04bbc43383f71 Virus Total Scan Report

Updated ZWO SDK version – bug fixes and new camera models supported Add option to double ASCOM camera timeout to support LENR DSLR cameras (see hardware settings) Bug fixes

Download Version 4.0.8655.0 (32-bit) 03 February 2022 md5:5c9fa3d3f49ba58974651f2103e6ed7d sha1:b1ecbd3338ef93b05973a582be0f16e2162dd4be Virus Total Scan Report Download Version 4.0.8655.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:2ade02b75070a88e1c1c80985df41ec8 sha1:bedae4deb0e4825ca998c93e35dec4666bac7805 Virus Total Scan Report

Fix crash in new UI after closing the histogram with the ‘X’ button New toolbar button for Deep Sky Image Annotation, a few small improvements too Bug fixes

Download Version 4.0.8646.0 (32-bit) 31 January 2022 md5:226ad68eecf05ef38025f541d0844f7f sha1:e61c5dcf0fc3ba1132214310508cf727e409babc Virus Total Scan Report Download Version 4.0.8646.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:ea08754b610480f438671344dd952413 sha1:756bae6a59940efb1d8d1a2005faca15f0f191c5 Virus Total Scan Report

Deep Sky annotation selected options are now remembered for next time Deep Sky Annotation can now be activated from the sequence editor New UI fixes (mainly for systems with two monitors with different DPI settings) Fix incorrect gain values showing up in Altair sensor analysis Bug fixes

Download Version 4.0.8629.0 (32-bit) 24 January 2022 md5:a117d90a87d3ed0cef1456630be68d02 sha1:34e95012d850fd5be1242afbcd6bae3a1d7c35a0 Virus Total Scan Report Download Version 4.0.8629.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:105d921b9705753bc72eb1fc8251039a sha1:b957f29ae98399542952b09e50d8d1649c9c175d Virus Total Scan Report

Improvements to Deep Sky Image annotation including customization of annotation text, add items from clipboard and bug fixes Bug fixes

Download Version 4.0.8604.0 (32-bit) 18 January 2022 md5:5fccf2fd82634aa520ebf611a6b44ec6 sha1:ad8a6ade38b7bb1c20ccda35a50d412ee6a4150b Virus Total Scan Report Download Version 4.0.8604.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:acf5e21f8914116786ba1148433f6204 sha1:3637bd510ff0027036638c9250e9c4f8b244de42 Virus Total Scan Report

Fix crash in live stacking save introduced in 4.0.8601 New UI fixes

Download links for 4.0.8601 removed due to live stacking save bug. Please update to 4.0.8604 Version 4.0.8601.0 17 January 2022

Improvements to Deep Sky Image Annotation functionality Improvements to New UI (needs to be enabled in settings). Includes High DPI support and scrolling the image view by dragging with the mouse Astap integration improvements. Astap_cli support, custom Astap.exe location and custom options can be specified Better prompting to enter a new license key when currrent license about to expire Updated SVBony SDK – fixes bugs and adds new camera support Various bug fixes

Download Version 4.0.8564.0 (32-bit) 10 January 2022 md5:a5112f381247f2c11058070e69972c98 sha1:f90bfb25ce4e8e809be2021d32ef4db50c412688 Virus Total Scan Report Download Version 4.0.8564.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:c61034292e6bfe4f36400fd989b7b150 sha1:69436d956a47a21ca5350ee194d161009fcc77a6 Virus Total Scan Report

New Feature : Deep Sky Image Annotation (requires plate solving) The improved dark mode (new user interface) can now be turned on in the settings, not just a command line option Pixel position readout can now work without GOTO mount – plate solve every time you move the mount Smart histogram background measurement should now be faster with shorter exposure times New option to save 32 bit FITS from live stacking in floating point rather than integer form Refocus button added to focus tools area Bug fixes

Download Version 4.0.8532.0 (32-bit) 03 January 2022 md5:7087d022a6d1d19802eb3251e8306d6f sha1:1ebbeef128c05825ce1b15e99c33a2223b001a0b Virus Total Scan Report Download Version 4.0.8532.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d14136e63a450c63bcd552e31254bfd2 sha1:16b421d172a6c9822dd30891880068a90c4ec609 Virus Total Scan Report

Try to fix Meade MoveAxis workaround (broken for new ASCOM Device Hub) Fix UI when capturing flats with the camera in still mode Fix gains of interest for sensor analysis (added via scripting) not being used on QHY cameras Bug fixes

Download Version 4.0.8509.0 (32-bit) 27 December 2021 md5:d447275f3c53eaac8cef48c9e2fcc146 sha1:5b95da0f5681cae76fa3a2b4415cebc9a07616b4 Virus Total Scan Report Download Version 4.0.8509.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:7727ab73c93c783f082e95ca2bf08f9a sha1:a2b46e3c729af032e140be0881ac7e67a9ba5b21 Virus Total Scan Report

Add ASCOM rotator support to (both in the controls area and the sequencer) Updated SVBony SDK – bug fixes Fixes to problems with the new user interface mode

Download Version 4.0.8495.0 (32-bit) 20 December 2021 md5:29e11f0612f03b700aeed36985590d0f sha1:13cdb033d77b82d352fc91949c6af37ccd4c9d06 Virus Total Scan Report Download Version 4.0.8495.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:56083125b58febbe8fef212c917ac437 sha1:715cdb9fd7d76fb0d0979b9ef4f3d32edfdead04 Virus Total Scan Report

Updated SDK from SVBony Fix missing DirectShow property pages in 64 bit SharpCap Updates/improvements/bug fixes to new user interface mode Test cameras use circle of confusion, not gaussian blur for simulating out-of-focus Bug fixes

Download Version 4.0.8472.0 (32-bit) 13 December 2021 md5:9721474f8205681ced7c348c8cd4a24d sha1:2eaff921326c81addbc56a62d5d7ba7ea118a6ac Virus Total Scan Report Download Version 4.0.8472.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:c6cb63cea74e896608afe2356b3dc510 sha1:34d95300050e35e92ecb00fc82aad7b6c58ac97e Virus Total Scan Report

An updated and improved user interface (including an improved night colour scheme) is available for testing using the ‘/newui’ command line parameter. In time this will become the default user interface. See this forum topic for more information. Fix capture file naming when capturing a simple sequence of still frames – now, as in SC 3.2, you will get multiple image files in the same folder rather than separate folders with one file each.Bug fixes

Download Version 4.0.8439.0 (32-bit) 06 December 2021 md5:57d6ca6e6e5f5df96d36c7b84751fb02 sha1:070bada67302ab7c3a8e7ca99cbc6ba89b8839f6 Virus Total Scan Report Download Version 4.0.8439.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:5c2aa5d91c2cce12cdf3e8448d0b6a7c sha1:da48a175188491298cf32b5b6ffb3f457460b5e6 Virus Total Scan Report

Updated ZWO SDK (reduced cooling rate to fix dew problems) Live Photometry improvements Bug fixes

Download Version 4.0.8418.0 (32-bit) 29 November 2021 md5:75efa05b0bc98aaf2dc3b881cd2f3e5b sha1:358beaa0f1e6bd35b9d8761b4df4545cf4a1166b Virus Total Scan Report Download Version 4.0.8418.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:83ba9b49b0d212f9725fe473f4985043 sha1:d6625cd4134c241ed5df721f20f554586da5d5d3 Virus Total Scan Report

Update to PlayerOne Camera SDK to support new models Add a refocus option to the menu and the sequencer. Re-runs the most recent auto/assisted focus routine Bug fixes to the folder monitor camera Photometry tool improvements – add ability to change star detection sensitivity Add a thresholding image transform to help detect faint objects Disable guiding and auto reset in live stacking when the folder monitor camera is in use Bug fixes

Download Version 4.0.8395.0 (32-bit) 23 November 2021 md5:b591368df51577fc290bb4820b2acc50 sha1:fee0fb851ee3a898eaa896725cd44be74dc85d88 Virus Total Scan Report Download Version 4.0.8395.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:543a6b255b9aad127f654903d0adbe9a sha1:ceb09fd5cbc17582f0fd99cf5ac2fc9ac65746c2 Virus Total Scan Report

Fix new photometry tool menu item disabled Fix automatic geolocation in Polar Alignment settings not working

Download Version 4.0.8391.0 (32-bit) 22 November 2021 md5:2d031f3b1bc11dd43f91da22fcdc0f45 sha1:a49dd6d1bfb4f26485b3049fa1a5bb699bd9ac90 Virus Total Scan Report Download Version 4.0.8391.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:c1d17aafe8da13b013c43a8a157b0890 sha1:7ea4c03a66fb5e324e01309c672b5241b96d2501 Virus Total Scan Report

Gain slider shows gain amount (brightness boost factor) and dB as tooltip if the camera has sensor analysis or a well defined gain value Experimental Photometry estimator – shows star peak and total brightness – in the tools menu. Bug fixes

Download Version 4.0.8365.0 (32-bit) 15 November 2021 md5:8f81934f0340df62671e0335cde0801b sha1:2209d76a9dd378aeb7c91395f20d505469610e06 Virus Total Scan Report Download Version 4.0.8365.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:861022f61a4cf976abe2bfd67a80d566 sha1:ec7c74bffc1406dbc709a59fa664e7c134cf51ee Virus Total Scan Report

Updated QHY SDK – bug fixes and new model support Japanese translation refinements Fix filter name missing from flat frame FITS headers Bug fixes

Download Version 4.0.8334.0 (32-bit) 09 November 2021 md5:c50c7f414a17090a6e908b99acbac02f sha1:a64331d25e1d2270da7b895a25680f9b97cccc03 Virus Total Scan Report Download Version 4.0.8334.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:033390c52ff0b815e7115658882d8a7e sha1:ee7acf19afc8180374ce780124bf94d580412a90 Virus Total Scan Report

Fix Atik cooling not working in sequencer Try to fix crash on showing settings due to new translation. Please contact via forums if you still get crash entering settings in this new version. Some updates to new translation text (Settings dialog, etc) Fix some missing translations in settings/start capture Fix black on black text in settings in dark mode. Bug fixes

Download Version 4.0.8315.0 (32-bit) 01 November 2021 md5:10d2a00e403d4a0b7d2340d9842a0296 sha1:c4d33dd7419f4100ae35121214c23e5e66877360 Virus Total Scan Report Download Version 4.0.8315.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:7cfd5ca97891a64713cf671f7d91b187 sha1:cfec0539b70409f3b9f2529f71171ad5bff2ab2d Virus Total Scan Report

SDK updates from QHY, SVBony and ZWO – bug fixes and improved support for new models Added translations for settings window and start capture window (corrections to translated text welcome) Fix keyboard shortcuts on toolbar broken since 3.2 Add button to export sensor data to the Smart Histogram Brain window (SharpCap Pro users only) Bug fixes

Download Version 4.0.8282.0 (32-bit) 25 October 2021 md5:8ad1034afd603520c661bf3a5fd99331 sha1:64f6c0a63c92d44c4bafe911a9ae193a71aabcce Virus Total Scan Report Download Version 4.0.8282.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e136ad2786e056d43ce97f789efbc5cb sha1:ac843430311d0dd61701661248de901d2ec27da2 Virus Total Scan Report

Binning support added for Moravian Instrument cameras Fix bug with monochrome flats option not being respected Add new interlace handling mode for SX Lodestar camera Add median blur to display FX options Bug fixes

Download Version 4.0.8264.0 (32-bit) 18 October 2021 md5:a2fc0df8ab2a3f1f986c49bdf5ee45cf sha1:4242b68b73137f9e7b0e838bea0b509a7d1f879c Virus Total Scan Report Download Version 4.0.8264.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:3a547217b35c1dc717500ce731da3aa1 sha1:9faf2f264d9fd3dd0f21ccde3258ee577607d7d2 Virus Total Scan Report

Fix sequencer error handling in plate solving steps Add advanced sequencer steps to ignore errors and to retry Add Solar/Lunar framing assistant feature Fix bug with dark subtraction on RAW frames generating abnormal values at hot pixels (note: did not affect live stacking) Vartious bug fixes

Download Version 4.0.8244.0 (32-bit) 11 October 2021 md5:a65d748cc25d44ea682f43ac4b6b6199 sha1:1147f14cb231e30570853bd68aa512126014fa16 Virus Total Scan Report Download Version 4.0.8244.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:91fa94905f52e01d5a6a6fa3b92bce85 sha1:2325a586f843bf0bff08483ce7ae9326d80edafb Virus Total Scan Report

ADC Alignment – performance improvements Fix ASCOM mount focal length interpreted wronly Fix focuser step size set to zero when using an ASCOM focuser that is already connected Various bug fixes.

Download Version 4.0.8218.0 (32-bit) 04 October 2021 md5:944f43e465260b63c1aa5a40daba0328 sha1:484cc59f9583a0b4ba28ea135a4c241827af930c Virus Total Scan Report Download Version 4.0.8218.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:ebbe368ed263eba2498af264b8db2163 sha1:843f10956726177bc8bdd82ad8058b77c85732fe Virus Total Scan Report

Fix filter wheel position highlight not updating when using sequencer Add sequencer step to live stack N frames then pause Additional FITS headers including DATE-AVG, OBSLAT, OBSLONG, OBSERVER, TELESCOP Bug Fixes

Download Version 4.0.8199.0 (32-bit) 27 September 2021 md5:23a2e9be409bc04725f13e1fe04c97ae sha1:4bdc483fb93f9721bdec6a6efe1bbe680a11d24d Virus Total Scan Report Download Version 4.0.8199.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:a3d7518a4681ac2e170d0f27364b17a1 sha1:d339df4eddd08ab575868d6f214aad18ec17409b Virus Total Scan Report

Updated SDK from SVBony Add option to ignore frames captured while focuser is moving in focus tools averaging options Fix bug with capturing flats with bias/dark flat with the camera in still mode Bug fixes

Download Version 4.0.8185.0 (32-bit) 20 September 2021 md5:053732830f805b7cbf5f5c1dcf472458 sha1:a17449293d81ecb7a508688c7151b79fea191a80 Virus Total Scan Report Download Version 4.0.8185.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:a1fda5e42e03802df5aa78cbc70f10a8 sha1:3e29d33258af86e4c674b9bac4768df201059bf2 Virus Total Scan Report

Updated Altair SDK – support new models, bug fixes Fix missing refocus on filter change when using sequence planner Fix sequencer co-ordinates in J2000 being sent to JNOW mounts without conversion Change default for plate solving to not convert images to 8-bit before solving Bug fixes

Download Version 4.0.8173.0 (32-bit) 14 September 2021 md5:00db4190959f892d96195b24e92aefa8 sha1:60df5fa1228f5fc02c4b61b1e99dedd6d403b687 Virus Total Scan Report Download Version 4.0.8173.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:d7e247cb30bb4870a4cf2084d3119a66 sha1:f31e9931ce1a95dd6ae9baef29f39d03cc49ffe0 Virus Total Scan Report

Fix crash when selecting seeing monitor Add ‘Overshoot’ option for focuser backlash correction

Download Version 4.0.8169.0 (32-bit) 13 September 2021 md5:a7548bb5a93e924b402815204a4e9b3d sha1:70f524b246dce3931c31dfe805b12c0026f67a3b Virus Total Scan Report Download Version 4.0.8169.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:e23f04bcea9bcb72b29afec9312a2f04 sha1:da9fe3bbf8431c75393089cfbb03a2992366a320 Virus Total Scan Report

Updated SDKs from Moravian Instruments, QHY, ZWO Fixed sensor analysis data and default values of contrast, gamma and saturation for SVBony cameras Fix loading of specified output format from capture settings files if output format was set to ‘Auto’ Various bug fixes

Download Version 4.0.8149.0 (32-bit) 07 September 2021 md5:a5fb9f5db85e3aa052ec83cbe7ed8f71 sha1:8c5d2b645611201fee58aa97cc4a566e055047a3 Virus Total Scan Report Download Version 4.0.8149.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:1abd8cf95e5be2b8648f72cc863d70d6 sha1:72a194520c6afa06290ee1b8d496958eb57edf0c Virus Total Scan Report

Fix missing capture settings file when using ‘save as seen’ button in mini histogram Add option to send only 8 bit images to plate solving engines – fixes problem with excessive star detection in Astrotortilla Bug fixes

Download Version 4.0.8138.0 (32-bit) 30 August 2021 md5:fdf25c305dd7ce71baf0def690d4b864 sha1:159cc62b97cddcd753844adb047c1a4705cd4aac Virus Total Scan Report Download Version 4.0.8138.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:b8f90e74bff2a6272f1b33449bdfcd85 sha1:05d4a812d692bd00caead888050b41137fd9e9bf Virus Total Scan Report

Fix SharpCap freezing on long exposures with StarlightXpress cameras Fix crash when exiting live stacking

Download Version 4.0.8135.0 (32-bit) 29 August 2021 md5:68cea763df95362ae762e85f1b12c3b9 sha1:3f907aafec6a9c30efa492144fb594c9a31d0fd6 Virus Total Scan Report Download Version 4.0.8135.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:b6acfaa623ea0c80b384d8130e95f353 sha1:e27179e25f206eb9537541a7d9a78ede5768492d Virus Total Scan Report

Add option to automatically start using a captured dark frame Updated Player One SDK, add USB speed support Updated QHY SDK Added Spanish translation Bug fixes

Download Version 4.0.8115.0 (32-bit) 23 August 2021 md5:fd76b91e1f205de3bb7cbfa0dae5256f sha1:c51d22caadd55e3ad46b70ecc6e2b0616a0e75a6 Virus Total Scan Report Download Version 4.0.8115.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:da617543550bcd2083801ad9826cc5ee sha1:573703bec9538020559df56985f8cd930194915c Virus Total Scan Report

Adds support for dithering every N frames to live stacking and sequence editor Fixes ‘Save exactly as seen’ not working correctly in still mode Live stacking can now be run with the camera in still mode. Bug fixes

Download Version 4.0.8094.0 (32-bit) 17 August 2021 md5:47240e6fb472ede477c263d2711699c7 sha1:99be5f038a23d92ec3adff49a6445792d96a8439 Virus Total Scan Report Download Version 4.0.8094.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:97ed09f0ff5527bc16094e7380ead42b sha1:cf735ef24501768fb52502e5799fabfd60c09a8b Virus Total Scan Report

Fix crash on changing exposure on QHY 268M Try to fix startup crash possibly caused by web browser security software

Download Version 4.0.8091.0 (32-bit) 16 August 2021 md5:084ae5a07f6a50e08ae536f54cd9f2cc sha1:1441ba8ae9242fd3c24e03183bba5f768b9eba13 Virus Total Scan Report Download Version 4.0.8091.0 (64-bit)Note: iNova cameras are NOT supported in the 64 bit version of SharpCap. md5:f29574ae542ffd819c66845b4e5ba241 sha1:fc9176d40ff90740909e75f3a8aac3aa110d35fd Virus Total Scan Report

New feature – dark flat subtraction option when capturing flats New feature – additional sequencer steps to stop imaging near horizon, near meridian, at dawn, etc. StarlightXpress cameras now supported in 64 bit SharpCap Fix for incorrect stretch levels in sigma clipped live stacking Improved handling of disconnected QHY and StarlightXpress cameras Bug fixes

Download Version 4.0.8060.0 (32-bit) 09 August 2021 md5:1c16846026bc9fbedaa8d327a021b1df sha1:9ddde3251ccf5bef18b4cba4c5423213eeffcaab Virus Total Scan Report Download Version 4.0.8060.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:4e07a34a64bf2f567acb04b2e6d26582 sha1:2e688d617bdd8a4d89c19400fb1be565949ed4ea Virus Total Scan Report

Fix ADC tool high CPU use at high frame rates Add custom ROI support on selected Celestron/Imaging Source cameras Fix focus score measurements being recorded while the focuser was moving Fix background subtraction not working for RAW images if frame height or width was an odd number Bug fixes

Download Version 4.0.8047.0 (32-bit) 04 August 2021 md5:04a9202dca4fec59772a54f5a29cc8bb sha1:a0582ed3016797aa49c7e8bbd2e7bae2f6b49dcd Virus Total Scan Report Download Version 4.0.8047.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:f03430f93afd97c65fa0f219f9de0343 sha1:683fac109d16ef1283ebe5af0cbebf66db3446c3 Virus Total Scan Report

Fix crash on exit in 4.0.8042 Improvements to QHY filter wheel control

Download Version 4.0.8042.0 (32-bit) 02 August 2021 md5:615849bc4ab5b2df53e826072e999c63 sha1:15ecd281b1c38af376ca5b7526232e540e81a646 Virus Total Scan Report Download Version 4.0.8042.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:0a586c5de91d61eb7a718187d8dbf44d sha1:73a0c75ad51e6d2125508426154a50bcb0c3ef5d Virus Total Scan Report

Add aditional info to capture settings files for video captures Increase maximum memory usable by SharpCap frame buffers on high memory systems (16Gb system memory or more) Bug fixes

Download Version 4.0.8026.0 (32-bit) 27 July 2021 md5:2a93c9dfb7d6c0160f6cde0ffd1f1dda sha1:235437a4731b23e30f6ef6c7b15d1de5ef49d378 Virus Total Scan Report Download Version 4.0.8026.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:e7aa6a06f179ab5de5e91ec7ff61c2cd sha1:89ce10b579198fff611a0dda4c7dcf0594709076 Virus Total Scan Report

Updated QHY SDK (16 July 2021 version) Updated ZWO EFW SDK Add Russian translation (thanks to химик) Add option to invert bayer pattern recorded in FITS files for compatibility with AstroPixelProcessor, AstroArt, etc 64 bit version should work on non AVX CPUs Fixes focuser related crash in 4.0.8025 Bug fixes

Download Version 4.0.7995.0 (32-bit) 19 July 2021 md5:e5f8d171a0278de031be4e5dd3cca23b sha1:acd341f669d3d133dd1f8c5ba285870171f100d0 Virus Total Scan Report Download Version 4.0.7995.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:e64a6a52f26946de2fe003e11fc68122 sha1:e25e67b4c74cd70f658054b680ba1c8cb04b3254 Virus Total Scan Report

Add horizontal zoom option to live stacking histogram Fix ZWO exposure changes being ignored during long frames in live view mode Levels improvement to background subtraction when used with live stacking Bug fixes

Download Version 4.0.7976.0 (32-bit) 12 July 2021 md5:b53ae5f29352e8aec5532872c0cd1620 sha1:36b34996dd79362aa5b03843a3676ee5eb58eab6 Virus Total Scan Report Download Version 4.0.7976.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:3abab9c7db4863d7a0943c5de4c91c15 sha1:16861fa02e29c571733d57a0298df73ddfd8508a Virus Total Scan Report

Fix crash with non-connected focuser on opening camera

Download Version 4.0.7975.0 (32-bit) 12 July 2021 md5:99ff3f8c5ea951b2d39ee07e125b20a7 sha1:474a63811122aad1a61d51ede0dec73251be20ec Virus Total Scan Report Download Version 4.0.7975.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:163ad930137a7d075a60d6d279eb6052 sha1:ec18f5983e5d125529a020acf93cce62882837ba Virus Total Scan Report

Updated SDK from ZWO, Moravian Instruments and SVBony Focuser position and mount co-ordinates added to capture settings file FOCUSPOS header written to FITS files when ASCOM focuser in use Bug fixes

Download Version 4.0.7957.0 (32-bit) 05 July 2021 md5:098e3590773641a0882309a78bf5f675 sha1:994b35da0451fcb56ee6d5f031d3b734a90e9d0f Virus Total Scan Report Download Version 4.0.7957.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:5c18123cec1725e21354ecf87d7fe6a7 sha1:cc61febb89b23febed78cc28b4cb8d6febf59580 Virus Total Scan Report

Updated Altair SDK Improved handling of cancellation of long frames in still mode Bug fixes

Download Version 4.0.7944.0 (32-bit) 02 July 2021 md5:62038d8c30d14b0ffbc7b9f35fb684f0 sha1:cf3ec4a1eacb263672ac1f345f3fc15022dd0f47 Virus Total Scan Report Download Version 4.0.7944.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:a329aa8d0079aa730538149682cf7113 sha1:c6154415492f30534724f5fd8bb8e034d0702a36 Virus Total Scan Report

Bug Fixes

Download Version 4.0.7928.0 (32-bit) 28 June 2021 md5:e7c449a4fc166ce96d85bddc14fb5f62 sha1:c64e89ec5351e24078ecf4f24777802313821cf5 Virus Total Scan Report Download Version 4.0.7928.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:6e6a424644d85951ae45513b717aec63 sha1:bb12cc626f50b389e18f5144c81de0a1912e0fae Virus Total Scan Report

SVBony SDK Update Detect and warn user if Windows Media not installed Bug Fixes

Download Version 4.0.7924.0 (32-bit) 25 June 2021 md5:d70d4c0066d8403da4d941dc5d7559c2 sha1:50c96d15481d75db1497fec6163a3cf0d6b1c77b Virus Total Scan Report Download Version 4.0.7924.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:a2008a321199efeb5d6a2ae565d35aa1 sha1:3bfb244835e28fe09ea2d23b707c3b3363d58e52 Virus Total Scan Report

Bug fixes

Download Version 4.0.7917.0 (32-bit) 23 June 2021 md5:79313441d622da4cafe3cb44e5bdc080 sha1:9193ed1bbe494735fed0180692283f17bb0048cc Virus Total Scan Report Download Version 4.0.7917.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:af4706dc0ef21969fdbefdbd84c44860 sha1:f5fe2fd4bfe19c3a5e21fbbdca9dfec002d0ba7d Virus Total Scan Report

Fix night mode colours not being remembered Improve compatibility with ASCOM cameras that may not update their status correctly Updated user manual Bug fixes

Download Version 4.0.7906.0 (32-bit) 21 June 2021 md5:278cbd7ae28f8d223d73bcf793112a04 sha1:5c84a361ed87a945d23882d9666b4c1f79cb7482 Virus Total Scan Report Download Version 4.0.7906.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:b8c4b28630f645d36c908a4fde126056 sha1:9f42e7ad9cb29da9f6a1f0448fa64ff0f416e657 Virus Total Scan Report

Updated Player One SDK – supports new models Bug fixes and stability improvements

Download Version 4.0.7897.0 (32-bit) 18 June 2021 md5:d6d428fccca2d04f57e144603ed9ccb0 sha1:51294b7f4fb4888f93f3db4928d70b1756525553 Virus Total Scan Report Download Version 4.0.7897.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:a2d9e92d3258b999710ed4da2a0ab439 sha1:e40547f26df6e0e3b6b78f67c2b002c8ec138cf4 Virus Total Scan Report

Fix FITS writing issue on ZWO cameras Handle odd/badly-behaved ASCOM mounts more gracefully SVBony – updated SDK Fix failure to reload exposure/gain overrides in Sequence Planner Bug fixes

Download Version 4.0.7888.0 (32-bit) 14 June 2021 md5:f50bdcfca883036aab504e22e6403a47 sha1:919f40f101f3cd142d5752c0810bd535c173b8b4 Virus Total Scan Report Download Version 4.0.7888.0 (64-bit)Note: iNova, and Starlight Xpress cameras are NOT supported in the 64 bit version of SharpCap. md5:0ee2ab3e6071f40fdd6efac13cba16ae sha1:6ade12af95141596abd2d5c52670b0704d0331d7 Virus Total Scan Report

This is the first Release Canditate of SharpCap 4.0 There is no time limit on this version, also new Pro features in SharpCap 4.0 now require a license P1 SDK Update Fix to dithering while live stacking issues (should no longer save short frames) Bug fixes

You can find previous beta download versions of SharpCap 4.0 here.