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Contains:  NGC 6144, M 4, NGC 6121, The star Al Niyat (σSco)
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M4, 





    
        

            msmythers
M4

M4

Technical card

Resolution: 2304x1536

Dates:May 18, 2015

Frames:Solomark Uv Ir Cut Block Filter: 7x120" ISO800

Integration: 0.2 hours

Darks: ~32

Flats: ~75

Bias: ~200

Avg. Moon age: 0.36 days

Avg. Moon phase: 0.15%

Bortle Dark-Sky Scale: 7.00

Temperature: 23.00

Astrometry.net job: 641543

RA center: 16h 23' 40"

DEC center: -26° 28' 58"

Pixel scale: 4.888 arcsec/pixel

Orientation: 91.883 degrees

Field radius: 1.879

Description

Globular Cluster M4.

Comments

Author

msmythers
msmythers
License: None (All rights reserved)
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M4, 





    
        

            msmythers