m51 in LRGB

Posted by Richard Crisp
on Tuesday, July 21, 2009

taken by Richard Crisp

Date: April 25 & 26,  May 1, 2008. Taken from my cattle ranch in California's Gold Country in the Sierra.

Equipment: Astro-Physics AP180EDT f/9 imaging scope, FLI Proline3200ME imaging camera, Optec IR Blocking RGB filters

Mount: Astro-Physics AP1200GTO

34 x 400 seconds luminance

10 x 3 minutes per RGB filter: 5 hours 15 minutes total exposure time


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