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Contains:  M 107, NGC 6171
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M107 Globular Cluster, 





    
        

            Jerry Macon
M107 Globular Cluster

M107 Globular Cluster

Technical card

Resolution: 2520x1960

Dates:July 3, 2019

Frames:Astrodon Gen 2 RGB 36mm: 53x40" (gain: 99.00) -12C bin 1x1

Integration: 0.6 hours

Avg. Moon age: 0.78 days

Avg. Moon phase: 0.68%

Bortle Dark-Sky Scale: 4.00

Temperature: 15.00

Astrometry.net job: 2788267

RA center: 248.134 degrees

DEC center: -13.054 degrees

Pixel scale: 0.501 arcsec/pixel

Orientation: 357.845 degrees

Field radius: 0.222 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Only images from this scope were used:
TV127is+ASI183MM at .75 asec/pix. (RGB)
The L taken on the AG12" Newtonian were not a good quality, I think not good focus, so I did not use them.

Messier 107 or M107, also known as NGC 6171, is a very loose globular cluster in the constellation Ophiuchus, and is the last globular cluster in the Messier Catalogue. It was discovered by Pierre Méchain in April 1782, then independently by William Herschel in 1793. Herschel described it as a "globular cluster of stars, large, very rich, very much compressed, round, well resolved, clearly consisting of stars". It was not until 1947 that Helen Sawyer Hogg added it and three other objects discovered by Méchain to the list of Messier objects. The cluster is located 2.5° south and slightly west of the star Zeta Ophiuchi.

Comments

Author

jmacon
Jerry Macon
License: Attribution Creative Commons
2362
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M107 Globular Cluster, 





    
        

            Jerry Macon