Documentation

Install

Windows, macOS and Linux, no Python needed.

Stack Celestron Origin images

From a session folder to a finished picture, step by step.

The desktop app

Every screen: setting up a run, the settings, the preview, the files it writes.

Try a sample session

Download a free Origin session of the Whirlpool Galaxy and stack it in about a minute.

More sample sessions

Twelve free raw Origin sessions, one of each kind of target, to practise on or test software with.

Other cameras

DSLR RAW, astro-camera FITS, TIFF, XISF and SER: what works and how to set it up.

How it works

The pipeline from raw frames to picture, stage by stage.

Background

Noise, the Bayer pattern, the PSF, deconvolution, stretching and more, for newcomers.

Stretch gallery

One stack, ten stretches, and what each is good for.

Compared with the alternatives

Siril, DeepSkyStacker, PixInsight, Astro Pixel Processor and the Origin app: features, sharpness, noise and speed.

Command-line reference

Every option, generated from the program itself.

Advanced features

Rotation, merging, drizzle, photometry, diagnostics, and what did not work.

What's new

The highlights of each release.

Gallery

Images made with OriginStack, with the data behind each.

The Origin's own stack vs OriginStack

Ten sessions side by side: what the telescope saved and what one click makes of the same frames.