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Contains:  NGC 4923, NGC 4921, NGC 4919, IC 4051, NGC 4911, NGC 4908, NGC 4907, IC 4040, NGC 4895, NGC 4889, NGC 4886, NGC 4881, NGC 4874, NGC 4873, NGC 4872, NGC 4869, NGC 4867, NGC 4865, NGC 4860, IC 3949, IC 3946, NGC 4850, NGC 4848
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Abell 1656 - The Coma galaxy Cluster

Technical card

Resolution: 1920x1462

Dates:May 6, 2018May 7, 2018May 8, 2018

CLS CCD: 95x180" bin 1x1
Astrodon Luminance E-Series: 31x180" bin 1x1
Astrodon RGB E-Series: 87x300" bin 1x1

Integration: 13.6 hours

Avg. Moon age: 21.62 days

Avg. Moon phase: 55.50% job: 2070375

RA center: 194.959 degrees

DEC center: 27.967 degrees

Pixel scale: 1.505 arcsec/pixel

Orientation: 180.216 degrees

Field radius: 0.504 degrees

Locations: Upper Borg Observatory, Bremen, Bremen, Germany

Data source: Backyard


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The image is second light with my new ASI 1600 camera.



Jens Zippel



Quasar QSO [HB89], 11.3 billion ly away


a little bit more streched.

Sky plot

Sky plot


Abell 1656 - The Coma galaxy Cluster, 


            Jens Zippel