M27 The dumbbell
Distance: 1360 light-years
ASA Astrograph 12" f/3.62 Reflector / Losmandy HGM TITAN Gemini Go-To / SBIG ST-10XME / Astrodon & Astronomik filters
Exposures : Luminance (5 nights with Hα filter + 1 night OIII filter) = 18h50min.
RGB = 3 HR (1 hr for each frame)