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Contains:  NGC 457, NGC 436, The star φCas
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NGC 457- Owl Cluster, 





    
        

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NGC 457- Owl Cluster

NGC 457- Owl Cluster

Technical card

Resolution: 1377x1020

Frames:Hutech IDAS LPS-D1 2": 77x300" -10C bin 1x1

Integration: 6.4 hours

Darks: ~60

Flats: ~200

Bias: ~200

Astrometry.net job: 2191597

RA center: 19.845 degrees

DEC center: 58.305 degrees

Pixel scale: 3.136 arcsec/pixel

Orientation: 277.982 degrees

Field radius: 0.746 degrees

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

Data source: Backyard

Description

The brightest open cluster in the constellation Cassiopeia, NGC 457 (Caldwell 13), also known as the “Owl Cluster”, was discovered by William Herschel in 1787. It is estimated 7,900 light years from Earth…..

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Author

Tbone0168
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License: None (All rights reserved)
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NGC 457- Owl Cluster, 





    
        

            Terrance