WeightWatcher is a program that combines weight-maps, flag-maps and polygon data in order to produce control maps which can directly be used in astronomical image-processing packages like Drizzle, Swarp or SExtractor.

Authors: Chiara Marmo & Emmanuel Bertin

What’s new?

Download the latest stable version (V1.12)

Both the autoconfigurable source archive and Linux RPM packages are available below. The RPM versions have been optimized to provide the best possible performance on Linux PCs.





Click here to generate a source package of the latest development version (unstable, may not even compile!). Older stable package versions can be found here.


The WeightWatcher documentation is complete and reasonably up-to-date.

WeightWatcher User's Manual

User’s Manual

Acknowledging WeightWatcher

Marmo, C. & Bertin, E. 2008: MissFITS and WeightWatcher: two optimised tools for managing FITS data, ASP Conference Series, Vol. 394, 2008 J. Lewis, R. Argyle, P. Bunclarck, D. Evans, and E. Gonzales-Solares, eds., p. 619 [PDF] [BibTeX entry].

On the web