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Caldwell 9- Cave Nebula, 





    
        

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Caldwell 9- Cave Nebula

Caldwell 9- Cave Nebula

Technical card

Resolution: 1382x1024

Frames:Hutech IDAS LPS-D1 2": 141x300" -10C bin 1x1

Integration: 11.8 hours

Darks: ~60

Flats: ~200

Bias: ~200

Astrometry.net job: 2142219

RA center: 344.189 degrees

DEC center: 62.625 degrees

Pixel scale: 3.136 arcsec/pixel

Orientation: 92.443 degrees

Field radius: 0.749 degrees

Locations: Capricorn Island Observatory, Massapequa, NY, United States

Data source: Backyard

Description

Caldwell 9, the “Cave Nebula”, (also known as Sh2-155, Sharpless 155 or S155) is a diffuse, emission nebula in the constellation Cepheus. It is estimated over 10 light years across and 2,400 light years from Earth.

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Tbone0168
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Caldwell 9- Cave Nebula, 





    
        

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