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Contains:  M 20, M 21, NGC 6514, NGC 6531, Trifid nebula
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M20 & M21, 



    
        

            Bob J
M20 & M21
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M20 & M21

Technical card


Resolution: 4000x2722

Dates:July 3, 2019

Frames:IDAS LPS D2 2": 60x120" (gain: 75.00) -7C bin 1x1

Integration: 2.0 hours

Darks: ~30

Flats: ~50

Flat darks: ~50

Bias: ~50

Avg. Moon age: 0.78 days

Avg. Moon phase: 0.68%

Bortle Dark-Sky Scale: 4.00

Temperature: 23.00


Basic astrometry details

Astrometry.net job: 3249270

RA center: 18h 3' 25"

DEC center: -22° 47' 34"

Pixel scale: 1.542 arcsec/pixel

Orientation: 359.447 degrees

Field radius: 1.036 degrees


Data source: Backyard

Comments

Author

Space_Oddity
Bob J
License: Attribution-NonCommercial-ShareAlike Creative Commons
1922
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M20 & M21, 



    
        

            Bob J