M57 Ring Nebula  

Object Details:

  • Planetary Nebula  in Lyra

  •  RA:          18 hours 53 minutes

  •  Dec:         +33 degrees 02 minutes

  •  Distance: 1,140 Light years

  •  Size:         76"

  •  Mag:        8.8

Image Details:

  • Instrument:  Celestron 9.25 SCT @ f/10 (2350mm) focal length
  • Mount:         Losmandy G11
  • Camera:       SBIG ST-2000XM with CFW8 Color Filter 
  • Filters & Exposure Times:  
    • L:      16 x 5 minutes binned    1 x 1
    • R    12 x 5 minutes binned   1 x 1 
      G     18 x 5 minutes binned   1 x 1 
      B:      18 x 5 minutes binned   1 x 1 
    • Ha:     36 x 10 minutes binned  1 x 1
  • Total  exposure time: 11.5 hours
  • Software: CCDStack, Adobe Photoshop
  • Location: Saratoga California
  • Date: August  2009

 

              

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