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The Cave Nebula  Sh2-155  Caldwell 9, 





    
        

            alphaastro (Rüdiger)
The Cave Nebula  Sh2-155  Caldwell 9

The Cave Nebula Sh2-155 Caldwell 9

Technical card

Resolution: 2191x1657

Dates:Aug. 25, 2016

Frames:Baader Ha 7 nm: 9x900" -20C bin 1x1

Integration: 2.2 hours

Darks: ~10

Flats: ~10

Bias: ~10

Avg. Moon age: 22.52 days

Avg. Moon phase: 46.08%

Mean SQM: 20.00

Temperature: 23.00

Astrometry.net job: 1212531

RA center: 344.189 degrees

DEC center: 62.622 degrees

Pixel scale: 4.102 arcsec/pixel

Orientation: -179.095 degrees

Field radius: 1.565 degrees

Locations: My Roof Observatroy, Bergkamen, NRW, Germany

Comments

Author

alphaastro
alphaastro (Rüdiger)
License: None (All rights reserved)
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The Cave Nebula  Sh2-155  Caldwell 9, 





    
        

            alphaastro (Rüdiger)