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.

  • 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

Sequator will not provide too many confusing options; in contrast, strictly select the most effective features for you. Endeavor to automatically determine best parameters, save the time from boring trials. "Simple but powerful", is the core philosophy of Sequator.