M101  

Object Details:

  • Spiral Galaxy in Ursa Major

  •  RA:          14 hours 03.2 minutes

  •  Dec:         +54 degrees 21 minutes

  •  Distance: 17.5 million Light years

  •  Size:         28'.8 x 26'.9

  •  Mag:        7.9

Image Details:

  • Instrument:  Celestron 9.25 SCT @ f/6.3 (1481mm) focal length
  • Mount:         Losmandy G11
  • Camera:       SBIG ST-2000XM with CFW8 Color Filter 
  • Filters & Exposure Times:  
    • L:      48 x 5 minutes binned 1 x 1
    • R    48 x 5 minutes binned  1 x 1 
      G     48 x 5 minutes binned  1 x 1 
      B:      48 x 5 minutes binned  1 x 1 
    • Ha:    24 x 10 minutes binned 1 x 1
  • Total  exposure time: 16 hours
  • Software: CCDStack, Adobe Photoshop
  • Location: Saratoga California
  • Date: March 29th, 2009

 

              

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