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Coma Cluster of Galaxies in Coma Berenices



Scope: FSQ-106N 106 mm refractor at f/5, Location: Blair Valley, Anza Borrego Desert, CA  12 April 2013  Camera: Artemis285

Exposure: 15 x 6 min  (1x1 bin) exposure with UV/IR block, 8 x 3 min (2x2 bin) RGB exposures.

Processing: Data Collection -  Artemis Capture (as FITs).  Calibrated, stacked (Sigma Combine), LRGB channel registration, equalization, central gradient removal - Astroart.  Curves, Levels, LRGB combine and finishing  - Photoshop. Final color Calibration with eXcalibrator. This image is a straightforward LRGB combine with Luminance layering.     Final Image size is approximately 1800x1348.

North is up in this image. Galaxies NGC4874 and  NGC 4889 are centrally prominent in this image of this galaxy cluster - the Coma Cluster . Many of what appears to bestars are actually member galaxies of the Coma Cluster. This field is in the constellation of Coma Berenices. Other NGC objects in this field are  NGC 4872, NGC 4921, NGC4911, NGC 4895, NGC 4860.  The Coma Cluster's distance from Earth is approximately 320 to 370 million light years. This image replaces and earlier image that can be seen in the Archives here .  Horizontal FOV is 55'

Image center is approximately - Equatorial 2000: RA: 13h 00m 16s Dec: +2758'03" 


All images and content remain the property of Jim Thommes - copyright 2003 - 2013

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