Star Trails (.exe) – Software
Taking long exposures of star trails is really fun and interesting, but its only when all the exposures are stacked together that all your hard work is appreciated. So this program called “Star Trails” :) is brilliant for quickly stacking your shots!
Here’s the author’s homepage: http://www.startrails.de/html/software.html
For those still learning and experimenting with night photography, Lisa Row has an excellent how-to guide on astrophotography, please follow this link to learn more: How to photograph the stars, moon, and Milky Way: a beginner’s guide to night landscape & astrophotography :)