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Contains:  M 20, M 21, NGC 6514, NGC 6531, Trifid nebula
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Trifid Nebula & M21 open cluster, 


            Vencislav Krumov
Trifid Nebula & M21 open cluster
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Trifid Nebula & M21 open cluster

Technical card

Dates:July 6, 2019

Frames: 30x120" ISO1600

Integration: 1.0 hours

Darks: ~5

Avg. Moon age: 4.16 days

Avg. Moon phase: 18.38%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 2.20

Temperature: 13.00

Basic astrometry details job: 2784164

RA center: 18h 3' 8"

DEC center: -22° 46' 19"

Pixel scale: 0.953 arcsec/pixel

Orientation: 30.430 degrees

Field radius: 0.807 degrees

Resolution: 5130x3290

Data source: Traveller



Vencislav Krumov
License: None (All rights reserved)

Sky plot

Sky plot


Trifid Nebula & M21 open cluster, 


            Vencislav Krumov