Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid nebula
M20, 



    
        

            rjweng91
M20
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M20

Technical card

Imaging telescopes or lenses: William Optics GTF-81

Guiding cameras: SBIG ST-i

Software: PHD Guiding  ·  Maxim DL

Filters: Astronomik 12nm H-Alpha Clip in


Dates:June 7, 2014

Frames: 28x300" (2h 20')

Integration: 2h 20'

Avg. Moon age: 8.90 days

Avg. Moon phase: 65.81%


Basic astrometry details

Astrometry.net job: 295850

RA center: 18h 2' 32"

DEC center: -22° 59' 20"

Pixel scale: 1.727 arcsec/pixel

Orientation: 92.092 degrees

Field radius: 0.835 degrees


Resolution: 620x495

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Histogram

M20, 



    
        

            rjweng91