George's Album  

M101 and NGC 5474

M101 and NGC 5474
Description : Taken on two nights: 5/21 and 5/24/07 from home observatory
Telescope/Mount : Borg 101ED with 1.4x tele-extender, piggybacked on C9.25 and mounted on a TAK NJP.
Camera/Adapter/Filter : Modified Canon 20D
Exposure Info : 20 x 2 min on 5/21 ISO 1600
18 x 2 min on 5/24 (2 discarded)ISO 1600
Equal number of dark exposures
Processing : Each run processed separately using IP, then combined using Registar. Usual processing with PS (Noise Ninja, GradientXterminator).


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