M101 The Pinwheel

Distance: 23 million light-years

                                                                                                                

ASA Astrograph 12" f/3.62 Reflector / Losmandy HGM TITAN Gemini Go-To / SBIG ST-10XME / Astrodon filters
Exposures : Luminance (4 nights with Clear filter) = 13h
RGB = 3 HR (1 hr for each frame)