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
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  • Fix incorrect status being shown for expired SharpCap Pro licenses
Previous Versions
Download Version 3.1.5219.0
11 July 2018
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  • Fix problem with ASCOM focusers if ASCOM platform 6.4 installed
Download Version 3.1.5214.0
18 June 2018
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  • Various bug fixes
Download Version 3.1.5203.0
10 June 2018
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  • 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
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  • Work around issue with measuring sky brightness on some QHY cameras
  • Tweaks to feature guiding
Download Version 3.1.5191.0
29 May 2018
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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
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    • 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
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  • 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
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  • Fix potential issue with future upgrades
Download Version 3.1.5149.0
22 April 2018
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  • 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
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  • Add missing file required for PGR camera support
Download Version 3.1.5142.0
18 April 2018
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  • 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
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  • Improvements to plate solving speed/reliability
Download Version 3.1.5135.0
12 April 2018
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  • Fix gain changing incorrectly on QHY163M
  • Improve settings UI for entering plate solver location
Download Version 3.1.5132.0
09 April 2018
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  • Various bug fixes
Download Version 3.1.5125.0
05 April 2018
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  • Allow SER file writing for Webcams
  • Various bug fixes
Download Version 3.1.5115.0
28 March 2018
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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
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  • Add support for FITS writing at native depth for ZWO cameras
  • Various bug fixes
Download Version 3.1.5049.0
22 February 2018
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  • 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
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  • 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
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  • 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
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  • 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.