M27 - The Dumbbell Nebula

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  • RA: 20:00
  • Dec: +22:43
  • Magnitude: 8.1
  • Distance: 1250 ly
  • Constellation:  Vulpecula
  • Scope: 8" SCT at f/10
  • Autoguider:  ST-4 in faint mode
  • Sky conditions:  Excellent transparency and good seeing
  • Camera:  Hutech modified Canon 300D
  • Exposure:  9 x 5 minutes
  • Date:  September 2, 2005

Comments: This was the first light with the Canon Digital Rebel (300D) camera.  Temperature was about 60F. The shots were processed in Images Plus, dark frame applied,  and finished in Photoshop.  The Dumbbell Nebula was the first planetary nebula ever discovered.  Charles Messier discovered this new class of objects on July 12, 1764.  We view M27 approximately from its equatorial plane.  A view from near one pole would probably show it as a ring and perhaps look like M57.  The central star of M27 is quite bright at magnitude 13.5 and an extremely hot blueish subdwarf at about 85,000K.