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)
![](_media/img/large/m-27-large.jpg)
![](_media/img/large/m-27-hargb-full.jpg)
OIIIRGB Version
![](_media/img/large/m27-oiiirgb-full.jpg)
![](_media/img/large/m27-oiiirgb-full2.jpg)
![](_media/img/large/m27-oiiirgb-zoom.jpg)
![](_media/img/large/m27-ha-0xxhairis-neg.jpg)
Comparison with my first image of M27 (1998): Meade LX50 & SBIG ST-7E
![](_media/img/large/m27rvb-premiere2b.jpg)