Contains:  Owl nebula, M 97, NGC 3587
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M97 - Owl Nebula (Bicolor)

Technical card

Resolution: 1735x1255

Dates:April 5, 2018

Astronomik H-Alpha 6nm CCD: 17x900" -20C bin 1x1
Astronomik OIII 6nm CCD: 13x900" -20C bin 1x1

Integration: 7.5 hours

Darks: ~50

Flats: ~10

Bias: ~200

Avg. Moon age: 19.62 days

Avg. Moon phase: 75.58% job: 2007247

RA center: 168.736 degrees

DEC center: 55.002 degrees

Pixel scale: 0.978 arcsec/pixel

Orientation: 93.968 degrees

Field radius: 0.291 degrees

Locations: Home, Bergisches Land, Germany

Data source: Backyard


My version of the owl nebula. I had some bad conditions while gathering my OIII data, so that in the end I couldn't manage to bring out the halo around the nebula properly. But nevertheless I could get some nice structures , which are shown in the H-Alpha areas.



Frank Breslawski
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


M97 - Owl Nebula (Bicolor), 


            Frank Breslawski