Contains:  Owl nebula, M 97, NGC 3587
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Owl Nebula (M97) in Hα/OIII and nine galaxies, 




    

        Jose Carballada
Owl Nebula (M97) in Hα/OIII and nine galaxies

Owl Nebula (M97) in Hα/OIII and nine galaxies

Technical card

Resolution: 3212x2584

Dates: Dec. 16, 2017Dec. 17, 2017

Frames:
Optolong Ha 7nm 36mm: 38x300" (gain: 139.00) -20C bin 1x1
Optolong Ha 7nm 36mm: 8x600" (gain: 200.00) -20C bin 1x1
Optolong OIII 6.5nm 36mm: 52x300" (gain: 132.00) -20C bin 1x1
Optolong OIII 6.5nm 36mm: 6x600" (gain: 200.00) -20C bin 1x1

Integration: 9.8 hours

Avg. Moon age: 28.38 days

Avg. Moon phase: 1.70%

Astrometry.net job: 1870238

RA center: 168.699 degrees

DEC center: 55.016 degrees

Pixel scale: 0.531 arcsec/pixel

Orientation: 94.928 degrees

Field radius: 0.304 degrees

Locations: Berga Resort, Berga, Barcelona, Spain

Data source: Unknown

Description

Image A - annotated
Image B - final revision

Comments

Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
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Revisions

  • Owl Nebula (M97) in Hα/OIII and nine galaxies, 




    

        Jose Carballada
    Original
  • Final
    Owl Nebula (M97) in Hα/OIII and nine galaxies, 




    

        Jose Carballada
    B

B

please check the original version (annotated)

Sky plot

Sky plot

Histogram

Owl Nebula (M97) in Hα/OIII and nine galaxies, 




    

        Jose Carballada