Feature Comparison

SharpCap Free SharpCap PRO
Lunar/Planetary/Solar
Save to SER & AVI ✔ ✔
RAW Capture [1] ✔ ✔
1 Gb Memory Cache[2] ✔
Extended Memory Cache[3] ✔
High Speed Flat Correction ✔
Seeing Monitor ✔ ✔
Seeing Triggered Capture ✔
Feature Tracking ✔
ADC Alignment ✔ ✔
Planet/Disk Stabilization ✔
     
Live Stacking / EAA
Histogram Stretch ✔ ✔
Auto Histogram Stretch ✔
Averaging Algorithm ✔ ✔
Sigma Clipped Algorithm ✔
Filter on Star FHWM ✔ ✔
Filter on Frame Brightness ✔ ✔
Colour Balance Adjustment ✔
Auto Colour Balance ✔
Saturation Adjustment ✔
Basic Noise Reduction ✔ ✔
Advanced Noise Reduction ✔
Sharpening ✔
Guiding Integration (PHD2/MGEN3) ✔ ✔
Dither via PHD2 ✔
Dither via ASCOM Mount ✔
     
Deep Sky Imaging
Save to FITS, PNG, TIFF ✔ ✔
Sensor Analysis ✔ ✔
Smart Histogram ✔
Cooled Camera Support ✔ ✔
Still Camera Mode ✔ ✔
Automated Imaging Sequences ✔
Deep Sky Sequence Planner ✔
     
Polar Alignment
Measure Alignment Accuracy ✔ ✔
Guided Adjustment ✔
Refraction Correction ✔ ✔
     
Image Processing
Dark Subtraction ✔
Flat Frame Correction ✔
Background Subtraction ✔
Horizontal Banding Removal ✔
Dark & Flat Capture Assistant ✔ ✔
     
Camera Support
Altair ✔ ✔
AstcamPan ✔ ✔
Atik ✔ ✔
Basler ✔ ✔
Celestron/Imaging Source ✔ ✔
iNova ✔ ✔
Moravian Instruments ✔ ✔
Player One ✔ ✔
Point Grey ✔ ✔
QHY[4] ✔ ✔
StarlightXpress ✔ ✔
SVBony ✔ ✔
ZWO ✔ ✔
ASCOM ✔ ✔
WebCams & Frame Grabbers ✔ ✔
Testing Cameras ✔ ✔
Virtual Camera ✔
     
Hardware Support
ASCOM Mounts ✔ ✔
ASCOM Filter Wheels ✔ ✔
ASCOM Focusers ✔ ✔
ZWO EFW Wheels ✔ ✔
QHY Filter Wheels ✔ ✔
Focuser Backlash compensation ✔ ✔
ST4 Mount Control[5] ✔ ✔
     
Plate Solving
via AstroTortilla ✔ ✔
via All Sky Plate Solver ✔ ✔
via AnSvr ✔ ✔
via Astap ✔ ✔
Solve + ASCOM Mount Sync ✔ ✔
Pixel position readout ✔ ✔
Click to recenter after solving ✔
     
Convenience
Dark Theme ✔ ✔
Two Monitor View ✔
Run a simple series of captures ✔ ✔
Save/Load Camera Settings ✔ ✔
Auto restore last Settings ✔ ✔
Mini and full Histogram ✔ ✔
Display-only image stretch ✔ ✔
Pixel brightness readout ✔ ✔
     
Focusing
Star FHWM Measurement ✔ ✔
Contrast Measurement ✔ ✔
Focus Quality Graph ✔ ✔
ASCOM Focuser Integration ✔ ✔
Focus Scanning[6] ✔
GoTo best focus[6] ✔
Full Autofocus on stars[6][7] ✔
     
Advanced
Customizable File naming ✔ ✔
Advanced Sequence Editor ✔
Python Scripting ✔
     
Other
Save to ADV, WMV, JPG ✔ ✔

[1] When camera supports RAW mode

[2] Requires 64-bit Windows

[3] Requires 64-bit Windows, up to 50% physical RAM

[4] Includes supporting GPS features

[5] With cable and supported camera

[6] With ASCOM focuser

[7] When using automated imaging sequencing tools