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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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M20 Wide Field

Technical card

Resolution: 2752x2160

Dates:March 24, 2018

Frames:Astronomik 1.25" Deep-Sky RGB: 36x300" -20C bin 1x1

Integration: 3.0 hours

Darks: ~96

Flats: ~36

Bias: ~400

Avg. Moon age: 7.22 days

Avg. Moon phase: 48.24%

Bortle Dark-Sky Scale: 2.00

Astrometry.net job: 2010008

RA center: 270.616 degrees

DEC center: -22.988 degrees

Pixel scale: 2.049 arcsec/pixel

Orientation: 278.950 degrees

Field radius: 0.996 degrees

Locations: Gemini Observatory, Lijiang, China

Comments

Author

tc0214
Terry Cheung
License: None (All rights reserved)
2490
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M20 Wide Field, 





    
        

            Terry Cheung