M51-Whirlpool Galaxy
Image Linkhttps://www.ocastronomers.org/wp-content/uploads/2018/12/M51_TS_05032009.jpg
Photographer Tom Stokes
Optics Used Celestron C8 at f/6.3
Camera Used Canon XSI modified & peltier cooled
Settings / Equipment 10x180sec. 15x240sec. iso1600 with Astronomik CLS filter
Location Portola Hills, CA 04-25-09
Date / Time November 27, 2012 12:00 am
Copyright Tom Stokes
Additional Information Nebulosity, Photoshop CS2