Nikonian72 Loc: Chico CA

There are several methods to capture star trails. Here are a few:

Tutorial entitled How to Photograph Star Trails by James Vernacotola:
http://www.jamesvernacotola.com/Resources/How-To-Photograph-Star-Trails/12233655_V7cX4D

Tutorial entitled 4 Steps To Creating Star Trails Photos Using Stacking Software by Peter West Carey:
http://digital-photography-school.com/4-steps-to-creating-star-trails-photos-using-stacking-software

Tutorial entitled Star Trails How-To by Olivier du Tre':
http://blog.olivierdutre.com/2011/08/star-trails-how-to.html

Tutorial entitled Your Complete Guide for Photographing Star Trails by Trevor Williams:
http://diyphotography.net/your-complete-guide-for-photographing-star-trails

Tutorial entitled Photographing Star Trails by Dan Heller:
http://www.danheller.com/star-trails.html

Tutorial entitled Star trail photography by Harald Edens:
http://www.weatherscapes.com/techniques.php?cat=astronomy&page=startrails

Tutorial entitled How to Photograph Star Trails: The Ultimate Guide by Christopher O'Donnell:
http://www.lightstalking.com/how-to-photograph-star-trails

Tutorial entitled The “Startrails”-application by Achim Schaller:
http://www.startrails.de/html/software.html


There are several Photo-stacking programs available:
http://www.startrails.de/html/software.html
http://www.tawbaware.com/imgstack.htm
http://www.markus-enzweiler.de/StarStaX/StarStaX.html
and several others, as well as layering within PhotoShop.

My favorite star-trail photographer is Lincoln Harrison of Bendigo, Australia.
His Flickr photostream: http://www.flickr.com/photos/hakka69
His 500px webpage: http://500px.com/Hakka

Cape Woolamai Startrails by Lincoln Harrison 660-each x 30-sec exposures