Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  IC 3943  ·  IC 3946  ·  IC 3947  ·  IC 3949  ·  IC 3955  ·  IC 3959  ·  IC 3963  ·  IC 3973  ·  IC 3976  ·  IC 4040  ·  IC 4042  ·  IC 4045  ·  IC 4051  ·  NGC 4850  ·  NGC 4854  ·  NGC 4860  ·  NGC 4864  ·  NGC 4865  ·  NGC 4869  ·  NGC 4871  ·  NGC 4872  ·  NGC 4873  ·  NGC 4874  ·  NGC 4883  ·  NGC 4886  ·  NGC 4889  ·  NGC 4895  ·  NGC 4898  ·  NGC 4906  ·  NGC 4907  ·  And 5 more.
Going deep into the Coma cluster of galaxies, Volker Gutsmann
Going deep into the Coma cluster of galaxies
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Going deep into the Coma cluster of galaxies

Going deep into the Coma cluster of galaxies, Volker Gutsmann
Going deep into the Coma cluster of galaxies
Powered byPixInsight

Going deep into the Coma cluster of galaxies

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In 1995, the Hubble Space telescope was pointed “at nothing” for over 100h. Although this was seen as a waste of time initially, it created one of the most famous images – the Hubble Deep Field. Here a link to an article about the story.

I do not have access to Hubble, and will not spend 100 hours imaging - the closest I can go to create my own personal “Deep Field” is to go as deep as possible into a tiny expanse in the constellation Coma Berenices. There you can find an area that is literally littered with galaxies: The Coma Cluster of Galaxies, a group of more than 1,000 galaxies located at an average distance of about 320 million light years.

Galaxies in this super cluster contain mostly elliptical, more or less featureless galaxies. Fascinating for me is not the beauty of the galaxies but the sheer number of them in an image taken with a modest 8” amateur telescope on a bortle 6-7 sky … Please take time to zoom into full resolution. The annotated version B puts labels to roughly 300 galaxies, some are visible and not annotated. The weaker ones should be around 18-19 mag.

15 hours of luminance and 4 hours of RGB went into this image.

300 x 180s L

120 x 120s RGB

CS,

Volker

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Going deep into the Coma cluster of galaxies, Volker Gutsmann

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