cool shots Dean! Now you need to try spectra of a bright comet. Oh wait, there aren't any right now. sigh. Clear Skies, Chris Schur's Web Portal: http://www.schursastrophotography.com --- On Sun, 1/9/11, ketelsen@xxxxxxxxxxxxxxxxx <ketelsen@xxxxxxxxxxxxxxxxx> wrote: From: ketelsen@xxxxxxxxxxxxxxxxx <ketelsen@xxxxxxxxxxxxxxxxx> Subject: [AZ-Observing] Fun with Prisms! To: az-observing@xxxxxxxxxxxxx Date: Sunday, January 9, 2011, 12:19 AM Hi All- A request to use an old objective prism picture I took back in the film days inspired me to retake it tonight with modern techniques. The Canon XSi worked great at recording spectra! Check out the details at our blog: www.theketelsens.blogspot.com -Dean -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.