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Contains:  M 108, M 97, NGC 3556, NGC 3587, Owl nebula
Getting plate-solving status, please wait...
Surfboard & Owl widefield, 


            Bradley Hargrave
Surfboard & Owl widefield
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Surfboard & Owl widefield

Technical card

Dates:April 1, 2019

Frames: 1x28500"

Integration: 7.9 hours

Avg. Moon age: 26.01 days

Avg. Moon phase: 13.39%

Basic astrometry details job: 2921968

RA center: 11h 12' 59"

DEC center: +55° 19' 40"

Pixel scale: 1.981 arcsec/pixel

Orientation: 181.179 degrees

Field radius: 0.792 degrees

Resolution: 2214x1840

Data source: Backyard


i've been in experimentation mode with this camera and filters. I ended up using a gain of 0 and offset of 10 on this image. There is a starburst reaching out of the bottom left corner of the frame from the bright star Merak.

43 x 300s Lum
26 x 600 RGB

7.9 hours



Bradley Hargrave
License: None (All rights reserved)


  • Surfboard & Owl widefield, 


            Bradley Hargrave
  • Final
    Surfboard & Owl widefield, 


            Bradley Hargrave

Sky plot

Sky plot


Surfboard & Owl widefield, 


            Bradley Hargrave