M27 - The Dumbbell Nebula
Location :
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Filter(s) :
Mount :
Landgraaf
GSO 8" f4 Newton + MPCC
Baader UHC-S
Losmandy G-11
Autoguiding :
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Total Exposure :
Camera :
Exposure info :
Total Exposure :
Atik 1HS, TMB 80/480 APO & Guidemaster
Canon 350D
20 x 240 sec @ ISO800
1h 20m
Canon 350D
20 x 240 sec @ ISO800
1h 20m
[ Other resolutions/versions - or click the image for maximum resolution available ]
Maximum Resolution 1024 x 768 Pixel (321 kB)
Additional notes and remarks:
Object info
Messier 27 was the first planetary nebula ever discovered. It was discovered by Charles Messier on 12th July 1764. The central star in the heart of the nebula is mag 13.5. The nebula is one of the brightest planetary nebulas in the sky and lies at a distance of 1250 light years. The age of M27 is estimated to be about 3000 to 4000 years.
Processing
Comments
Focus not entirely correct.
Previous versions
Jul 03, 2006 - 900 x 675 Pixel (208 kB)
Optics : Orion 80/600 ED + Baader UHC-S
Mount : Losmandy G-11 + Canon 350D
Exposure : 16 x 240 sec @ ISO800 = 1h 4m
Jun 18, 2005 - 857 x 643 Pixel (142 kB)
Optics : GSO 10" f5 Newton + Baader Moon & Skyglow
Mount : OTE150 + Canon 350D
Exposure : several @ ISO800 = 35m
