OS:  
- Windows 64 bit
Sequator is a free software which can track stars on multiple images, align stars and stack them.
If you don't have an equatorial mount, by stacking non-blur star images in short-time exposures, the result will be almost similar to long-exposure on an equatorial mount. However, Sequator can control the exposure properly by auto-brightness or HDR-mode output, in 16-bit TIFF for further post processing. Additionally average random noises, rather than over-exposed on a physical equatorial mount.
If you don't have an equatorial mount, by stacking non-blur star images in short-time exposures, the result will be almost similar to long-exposure on an equatorial mount. However, Sequator can control the exposure properly by auto-brightness or HDR-mode output, in 16-bit TIFF for further post processing. Additionally average random noises, rather than over-exposed on a physical equatorial mount.
- Easy; user friendly
- Fast
- Automatic determination for best parameters
- Capable under heavy light pollution
- Powerful correction for wide-angle & complex distortions
- Intelligent sky mask
- Foreground detection & stacking
- Star light enhancement function
- Light pollution reduction function
- Support star trails mode
- Batch processing for time-lapse
- Support RAW & 16-bit TIFF