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Contains:  NGC 7023
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Iris Nebula (NGC 7023, Caldwell 4) with LBN 468, 475 and 483, in Cepheus and Draco, 





    
        

            Steven Bellavia
Iris Nebula (NGC 7023, Caldwell 4) with LBN 468, 475 and 483, in Cepheus and Draco

Iris Nebula (NGC 7023, Caldwell 4) with LBN 468, 475 and 483, in Cepheus and Draco

Technical card

Resolution: 5036x3052

Dates:Oct. 21, 2017

Frames: 82x240" ISO1600

Integration: 5.5 hours

Darks: ~30

Flats: ~30

Bias: ~30

Avg. Moon age: 1.61 days

Avg. Moon phase: 2.91%

Bortle Dark-Sky Scale: 1.00

Temperature: 50.00

Astrometry.net job: 1796459

RA center: 20h 50' 35"

DEC center: +67° 40' 30"

Pixel scale: 2.331 arcsec/pixel

Orientation: 359.506 degrees

Field radius: 1.906

Data source: Traveller

Description

The iris nebula, NGC 7023, Caldwell 4, and the interstellar dust clouds LBN 468, 475 and 483, that extend from Cepheus, into Draco.

Comments

Author

bellavia
Steven Bellavia
License: None (All rights reserved)
890
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Histogram

Iris Nebula (NGC 7023, Caldwell 4) with LBN 468, 475 and 483, in Cepheus and Draco, 





    
        

            Steven Bellavia