A python plugin for GIMP that will create a startrail image from a number of light and dark frames.
This should work fine with versions 2.6, 2.8 and of Gimp.
Just updated to version 1.6 including live display preview and elapsed time notification.
Available from: http://code.google.com/p/gimp-startrail-compositor/ or http://github.com/themaninthesuitcase/gimp-startrail-compositor
Unless otherwise noted, the rights for the individual plugins are with their respective authors. Logo image by Jakub Steiner.