Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
Getting plate-solving status, please wait...
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


Accessory:ScopeDome 2M

Resolution: 2453x1702

Dates:Feb. 21, 2018

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 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


Image dates: 18,21,22 Feb 2018.



Kees Scherer
License: Attribution Creative Commons

Sky plot

Sky plot


The Great Globular Cluster in Hercules, 


            Kees Scherer

In these public groups

Cloudy Nights