Astronomy Software

Students wishing to carry out practical class work on their own computer may need to install the following applications, if required by the laboratory script.

CLEA Applications

These four applications run only under Microsoft Windows. When the file is opened, follow the on-screen instructions to install the application.

The applications have been tested, but not thoroughly for all versions of Windows. If you encounter any problems, please contact the class organiser.

Orbits of the Moons of Jupiter

Radio Astronomy of Pulsars

Hubble Redshift-distance Relation

(Also, Classification of Stellar Spectra can be installed, for familiarisation purposes only. This version is not to be used for the practical class work. These classes require a customised version which is available only at ULO).


ImageJ is used with several of the laboratory scripts, for viewing images and making measurements from them.

Installer for Microsoft Windows (includes images referred to by scripts).

ImageJ is developed by Wayne Rasband at the National Institute of Health, USA.


The CCDOps application is designed to process CCD images.

The SBIG software downloads page has installers for multiple operating systems, as well as user manuals.

SBIG CCDOps software is produced by Santa Barbara Instruments Group


This application displays images stored in the FITS format. This type of file is used extensively in astronomical CCD imaging. The ImageJ application, above, can also be used to display FITS images.

FITSview installers are available for multiple operating systems.

FITSview is produced by the National Radio Astronomy Observatory, USA.

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