SharpCap 3.1 Downloads

You can read about the new features in SharpCap 3.1. More documentation will be made available for these new features shortly.

NOTE: If your camera is not detected, you may need to install the SharpCap Pre-Requisites Installer. You only need to do this once, not for every new version of SharpCap you install.

SharpCap Pro: SharpCap 3.1 contains some functionality that requires a SharpCap Pro license. Find out more about what SharpCap Pro and the features that require a license here.


Latest Version
Download Version 3.1.5220.0
15 September 2018
md5:4267375cfcf6912e7ad823c6fa9b0c74
sha1:462daea912f5640a4fe180d48bb8e7db4c2f9d7d
Virus Total Scan Report
  • Fix incorrect status being shown for expired SharpCap Pro licenses
Previous Versions
Download Version 3.1.5219.0
11 July 2018
md5:812bafc0ac3ef483b7694604ac872023
sha1:f26e830edc228d3553ea591c7ea7c5537bc7baf2
Virus Total Scan Report
  • Fix problem with ASCOM focusers if ASCOM platform 6.4 installed
Download Version 3.1.5214.0
18 June 2018
md5:721703beb84dcbef225739e42422e262
sha1:785eafe5ba793a1399cefef45fab11fb85254719
Virus Total Scan Report
  • Various bug fixes
Download Version 3.1.5203.0
10 June 2018
md5:6f00f3e417f0da5bcbb57e4c20e88e6e
sha1:58ac10ce865e2e6cecbc5532d82cc378e885d7d6
Virus Total Scan Report
  • Smart Histogram Brain improvements
  • Add option to skip binning tests in sensor analysis
  • Better logging around failure to detect Celestron cameras
  • Special handling for camera access blocked by Windows privacy settings
  • Various bug fixes
Download Version 3.1.5193.0
03 June 2018
md5:e7a7a8d80b64dabe11cecbca41972abd
sha1:3a96e80c9f292ee2e652d655ce85128cf5e2233f
Virus Total Scan Report
  • Work around issue with measuring sky brightness on some QHY cameras
  • Tweaks to feature guiding
Download Version 3.1.5191.0
29 May 2018
md5:d9a7416cb4f356b76e2f1095a2a6a520
sha1:8cec7a1a1b774e9571e4b5c3ba917579afc88f7e
Virus Total Scan Report
  • Improvements to Sensor Analysis – prevent measurements from getting stuck and prevent moving on to next stage if sensor not properly covered/uncovered.
  • Altair Cameras – SDK update – bug fixes and new model support
  • Filename templates – warn if sequence template will cause captures to be overwritten because it does not contain {Index}
Download Version 3.1.5186.0
21 May 2018
md5:d6fbfc197027bf79a04a0ee4c3cc4b50
sha1:7815634bdc54e0213a9c8ae6b152f833667a950d
Virus Total Scan Report
  • Fix crash with Altair cameras when a camera started with binning 2×2 is changed to binning 1×1
  • Various other bug fixes
Download Version 3.1.5181.0
15 May 2018
md5:8d39e28bc2516656c78e5e427b96dc5a
sha1:04c5f6365bf54f769033266ed6429eecff932d3a
Virus Total Scan Report
  • Fix problem with ZWO cameras not being seen after upgrading to 3.1.5180 from a previous 3.1 build.
Download Version 3.1.5180.0
11 May 2018
md5:712f22a0459f402f4e1d9728879a94c4
sha1:c8a4a4506f04fd190b0968daacf75e2138320cb4
Virus Total Scan Report
  • Altair Cameras – updated SDK to support new models and fix bugs
  • ZWO Cameras – updated SDK to support new models and fix bugs
  • QHY GPS Cameras – GPS info in the status bar and option to log all GPS data to file
Download Version 3.1.5174.0
05 May 2018
md5:7d2b29f1eb61b4a41cadb07cc26fcbec
sha1:a7adf539891716f3a9b297915f82c1e82dfa1eae
Virus Total Scan Report
  • Clarify data usage and rights under GDPR in End User License Agreement
  • Tweaks to Live Stack Auto White Balance
Download Version 3.1.5169.0
04 May 2018
md5:06f3d7f4f3ef10cb460f980b24e7e1e0
sha1:29acd2666740f9dec8a1b618840d3fb301b19cdc
Virus Total Scan Report
  • Fix zoom using dropdown not keeping the correct point centered
  • Enable saving of unstretched FITS files on QHY cameras
  • Enable smaller ROI selections on Altair 183 cameras
  • QHY SDK Update to 2018-05-02
Download Version 3.1.5164.0
29 April 2018
md5:2c85986164cb71df0957733003297382
sha1:ad0fa580925a142f52ebb98cc60edb620387d09e
Virus Total Scan Report
    • Update QHY SDK to latest version 2018-04-24. You may need to install updated QHY drivers from their web site and then reconnect the camera.
    • Add ability to Enable/Disable custom buttons via scripting
    • Fix bug that was stopping most bug reports from being sent 🙁
    • Add hotkeys

F1/F2: reduce/increase exposure
F3/F4: reduce/increase gain
F5/F6: reduce/increase offset (offset/blacklevel/brightness)
F7/F8: move focuser in/out

Download Version 3.1.5157.0
27 April 2018
md5:1fea83c4034030035330940a537125a9
sha1:09addc8c9748fe37fa2b54a8bb59f7b787aec918
Virus Total Scan Report
  • Fix SharpCap failing to start with Kapersky installed
  • Fix FITS headers written using ‘,’ as decimal separator based on Windows settings
  • Fix control panel width shrinking on close and restart
  • Other bug fixes
Download Version 3.1.5153.0
24 April 2018
md5:3cc10c0294470f4ca6b36932ffa42c07
sha1:fdc9f51ca1868d70a18656efaaf0287365587b7b
Virus Total Scan Report
  • Fix potential issue with future upgrades
Download Version 3.1.5149.0
22 April 2018
md5:b569c5c888bddd004d2f1c7c80eb5b12
sha1:7488360923b4bfe6fd50ebc33257f36a3a6f0663
Virus Total Scan Report
  • Fix wrong stacking time shown in live stack
  • Make live stack reset to black straight away when ‘clear’ button pressed
  • Stop feature tracking point markers from getting into the first few captured frames
  • Other bug fixes
Download Version 3.1.5143.0
20 April 2018
md5:2396b9c72e8a1cd51185a9b1957e5e94
sha1:fb3e2b2e4d7adf858124ff7e931d21fc5e72dc83
Virus Total Scan Report
  • Add missing file required for PGR camera support
Download Version 3.1.5142.0
18 April 2018
md5:56396e2a7574ed2561104e0a53146269
sha1:216c48ce9b419c507cb03539d088ca40ecf20376
Virus Total Scan Report
  • Fix bug where using a dark frame did not alter the Smart Histogram colour bar guides
  • Stop SharpCap from trying to repair the .NET framework if you choose to repair SharpCap
  • Various bug fixes
Download Version 3.1.5138.0
15 April 2018
md5:c549c25881166dd30a25d8f4c963d694
sha1:ab5a330b1d4677bfdc5c8665da5a50d12afaa2de
Virus Total Scan Report
  • Improvements to plate solving speed/reliability
Download Version 3.1.5135.0
12 April 2018
md5:7f8e0a61cf06520131422df5d63cadca
sha1:f56965804ff0be08fc709970a3a485b0b7821704
Virus Total Scan Report
  • Fix gain changing incorrectly on QHY163M
  • Improve settings UI for entering plate solver location
Download Version 3.1.5132.0
09 April 2018
md5:a8d99d5fef0eda1c5aeaaca2ad662486
sha1:c776fb3c512caa1b9640a6562e666fd9588ff539
Virus Total Scan Report
  • Various bug fixes
Download Version 3.1.5125.0
05 April 2018
md5:041f0b4b0c06fe109fd782e4b0eca2a1
sha1:22e8094a24b7a4f4f592ce8d4a218cd8d3383019
Virus Total Scan Report
  • Allow SER file writing for Webcams
  • Various bug fixes
Download Version 3.1.5115.0
28 March 2018
md5:36e76b5e83d02849c8f33376b9929dec
sha1:c432cc65a6312c86fc5d5306863fc2bbd897b4ec
Virus Total Scan Report
  • Fix several bugs
  • Enhancements to the deep sky test camera to allow vignetting/dust spots to be added via an ‘anti flat’ frame
  • Fix synthetic RAW frames incorrect when applying field rotation in the deep sky test camera
Download Version 3.1.5098.0

19 March 2018
md5:b076281d58af800be54b4d6b3bed3499
sha1:5d2e44bf4fb6ce9214cba8b599181b467a7a953e
Virus Total Scan Report

  • Fix issue with live stacking displaying frames with nearest neighbour interpolation, making them look noisier
  • Fix display of raw frames in live stacking
  • Add status indication to live stacking to help indicate what stage of stacking is in progress
  • Reduce number of redraws of image occurring when display stretch adjusted
Download Version 3.1.5092.0
16 March 2018
md5:1cb1ab60aac68f52c4177ad695edb694
sha1:b23bb6fd466003780fb4ca739e83ce93a6c357e2
Virus Total Scan Report
  • Fix sigma clipped stack not saving correctly to 32 bit when image is very dim
  • Fix saving live stacking continued to save raw frames when paused
  • Fix mount control buttons not showing as disabled when mount disconnected/parked
  • Other bug fixes
Download Version 3.1.5085.0
11 March 2018
md5:406047f78b366650eb162b060e14b7d8
sha1:72cee5ff3cdd4c4d39a076bc533ff71037d76e2c
Virus Total Scan Report
  • Fix out-of-memory issue if repeated frames fail to align in live stacking
  • Add auto-colour balance button to live stacking colour adjustments
Download Version 3.1.5081.0
10 March 2018
md5:a9c56dc0dd3ef84509d775c9ab17dbde
sha1:de842724cabb8f75b44ded5f5fd5404642c9c112
Virus Total Scan Report
  • Fix flat frames not being applied when live stacking a camera in RAW mode
  • Reduce memory usage during live stacking
  • Various bug fixes
Download Version 3.1.5059.0
26 February 2018
md5:d8e2cbf29c30dd8eddaf543f7e1540d5
sha1:18aae84c85811d738baa41a12bc95c09dc0547f4
Virus Total Scan Report
  • Fix failure to detect that certain Celestron cameras are colour
  • Fix failure to sync AltAz mounts that can only sync to equatorial co-ordinates
Download Version 3.1.5055.0
24 February 2018
md5:a645df21beddaea442c1172480772c85
sha1:dd9e071b8f22ca7db19416fab5cb23888457d4bd
Virus Total Scan Report
  • Add support for FITS writing at native depth for ZWO cameras
  • Various bug fixes
Download Version 3.1.5049.0
22 February 2018
md5:759ca595699c39b4f7072798273bc761
sha1:40ae084b2c39f71968a4530838efde0ec96e2289
Virus Total Scan Report

  • Add option (general settings) to write FITS files from 10/12/14 bit cameras at their natural bit depth, not stretched to 16 bits [Advanced use cases only – saved files will appear dark unless stretched]. Currently Altair cameras only.
  • Various bug fixes
Download Version 3.1.5038.0
17 February 2018
md5:5d8f9ef2696b05b580f4824c173af74f
sha1:65350f56a22bf4c9cf5ef8d2fcbf110c63887382
Virus Total Scan Report
  • Try to save live stack (or stop capture) cleanly if an error occurs that will cause SharpCap to close
  • Fix crash caused by changing dock width under some circumstances
  • Other bug fixes
Download Version 3.1.5029.0
14 February 2018
md5:9e74aaeac6096a640a72384991a46ce3
sha1:75e937801873e6af6d84b8d8be68aa48d79c2ec2
Virus Total Scan Report
  • Fixes problem where live stacking fails to align if R/G/B adjustments set high when starting a stack
  • Other bug fixes.
Download Version 3.1.5027.0
12 February 2018
md5:36a1fbd5e9f5f094b786c1748ecc6b23
sha1:f3b32e31062e8722f24dc81cd38e0522ddbb906f
Virus Total Scan Report
  • Feature Tracking and Seeing Monitor for Solar/Lunar/Planetary
  • Smart Histogram and Sensor Analysis for Deep Sky
  • StarlightXpress Camera Support
  • Improvements to Live Stacking including sigma clipping, better hot pixel removal with darks
  • Improved Polar alignment with refraction correction and enlarged atlas.
  • Reduced memory usage in several areas of the program
  • Improved memory allocation techniques for buffering large numbers of frames in high speed modes
  • Improved performance on high speed cameras. Smoother zooming.
  • Update to ASCOM 6.3, improved compatibility with Focusers, Wheels and Mounts
  • Improved performance when debayering RAW frames for display
  • Always on mini-histogram with display level stretch
  • Advanced options to customize file naming
  • QHY CCD still camera support
  • TIFF and JPEG output formats
  • Auto restore of camera parameters
  • Many bug fixes

Remember that installing SharpCap 3.1 will not uninstall SharpCap 3.0 (or other earlier versions). This means that you can go back to an earlier version if you encounter any problems (do remember to report any problems you find though!)

You can find very old versions of SharpCap here.