Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  IC 3949  ·  IC 3959  ·  IC 3963  ·  IC 4040  ·  IC 4041  ·  IC 4045  ·  IC 4051  ·  NGC 4860  ·  NGC 4864  ·  NGC 4865  ·  NGC 4867  ·  NGC 4869  ·  NGC 4872  ·  NGC 4873  ·  NGC 4874  ·  NGC 4886  ·  NGC 4889  ·  NGC 4895  ·  NGC 4907  ·  NGC 4908  ·  NGC 4911  ·  NGC 4919  ·  NGC 4921  ·  NGC 4923
Abell 1656 Coma Cluster of Galaxies, 



    
        

            PGU (Giuliano Pinazzi)
Abell 1656 Coma Cluster of Galaxies
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Abell 1656 Coma Cluster of Galaxies

Technical card

Imaging telescopes or lenses: William Optics FLT 110

Imaging cameras: Starlight Xpress SXVF-H9

Mounts: Avalon Linear FR

Guiding telescopes or lenses: Tecnosky Apo Doublet 70/420 mm

Guiding cameras: Starlight Xpress SXV-Autoguider

Software: Maxim DL  ·  Adobe Photoshop PS CS6


Dates:April 8, 2015April 9, 2015

Frames: 69x200" (3h 50') bin 1x1

Integration: 3h 50'

Flats: ~25

Bias: ~35

Avg. Moon age: 18.98 days

Avg. Moon phase: 81.06%

Mean SQM: 18.66

Temperature: 11.50


Basic astrometry details

Astrometry.net job: 628078

RA center: 13h 0' 18"

DEC center: +27° 57' 39"

Pixel scale: 1.725 arcsec/pixel

Orientation: 179.797 degrees

Field radius: 0.411 degrees


Resolution: 620x461

Locations: Osservatorio EOS , Verona, VR, Italy

Comments

Sky plot

Sky plot

Histogram

Abell 1656 Coma Cluster of Galaxies, 



    
        

            PGU (Giuliano Pinazzi)