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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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Messier 20 and 21 - Trifid Nebula, 





    
        

            regis83
Messier 20 and 21 - Trifid Nebula

Messier 20 and 21 - Trifid Nebula

Technical card

Resolution: 2601x1903

Dates:June 9, 2018June 11, 2018June 13, 2018

Frames:
Astronomik CLS 2": 11x150" -10C bin 1x1
Ha 12nm: 9x600" -10C bin 1x1
Baader rvb: 48x150" -10C bin 1x1

Integration: 4.0 hours

Darks: ~100

Flats: ~50

Bias: ~100

Avg. Moon age: 26.95 days

Avg. Moon phase: 10.37%

Astrometry.net job: 2205809

RA center: 18h 2' 38"

DEC center: -22° 57' 10"

Pixel scale: 2.339 arcsec/pixel

Orientation: 269.843 degrees

Field radius: 1.047

Locations: Somewhere in Var, Provence, France

Data source: Traveller

Comments

Author

regis83
regis83
License: None (All rights reserved)
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Messier 20 and 21 - Trifid Nebula, 





    
        

            regis83

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