[commercial, demo available - Win95/98/NT] A complete software product for analysis and processing of astronomical images. With the built-in star atlas based on the Guide Star Catalogue, it is also possible to perform astrometric and photometric calibration on your images.

Auriga Imaging's program RegiStar automatically registers (aligns) astrophotos -- no user intervention required.

Image processing and CCD camera control software for astronomical imaging. Supports Apogee, Celestron, FLI, HiSIS, Meade, SBIG, and Starlight Xpress CCD cameras; video cameras, autoguiders, and filter wheels. ASCOM compliant.

[open source - Linux/Unix, VAX/VMS/OpenVMS] General tools for image processing and data reduction with emphasis on astronomical applications including stellar and surface photometry, image sharpening and decomposition, as well as imaging and special reduction packages for ESO instrumentation.

Offers IC Capture.AS, control and acquisition software for astronomy cameras. Capture single frames and uncompressed image sequences.

Free astronomical images processing software.

[Free - MSDOS, dosemu] Program to analyse irregularly spaced time series - variable star light curves.

Picture Window is a popular tool among serious amateur astrophotographers. By Digital Light and Color.

Modular, open-architecture, portable image processing software platform specializing in technical image processing tasks such as astronomical imaging. It is available for Linux/UNIX, Mac OSX and MS Windows.

A shareware Windows 95/98/NT/2000 based image processing program that can read and enhance images from various NASA spacecraft.