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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
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The Great Globular Cluster in Hercules, 





    
        

            Kees Scherer
The Great Globular Cluster in Hercules

The Great Globular Cluster in Hercules

Technical card

Imaging telescope or lens:Skywatcher 100 Esprit APO F5.5

Imaging camera:QHYCCD QHY16200A Mono

Mount:10Micron GM2000HPS II

Software:Astro Pixel ProcessorPixInsight 1.8

Filters:BGR

Accessory:ScopeDome 2M

Resolution: 2453x1702

Dates:Feb. 21, 2018

Frames:
B: 58x120" (gain: 1.00) -20C
G: 45x120" (gain: 1.00) -20C
R: 51x120" (gain: 1.00) -20C bin 1x1

Integration: 5.1 hours

Darks: ~53

Flats: ~27

Bias: ~150

Avg. Moon age: 5.47 days

Avg. Moon phase: 30.22%

Mean SQM: 20.80

Astrometry.net job: 1946361

RA center: 250.508 degrees

DEC center: 36.455 degrees

Pixel scale: 2.228 arcsec/pixel

Orientation: 359.479 degrees

Field radius: 0.924 degrees

Locations: Knight Observatory,Quinta Castelo Novo, Serra de Tomar, Portugal

Data source: Backyard

Description

Image dates: 18,21,22 Feb 2018.

Comments

Author

keesscherer
Kees Scherer
License: Attribution Creative Commons
1992
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The Great Globular Cluster in Hercules, 





    
        

            Kees Scherer

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