English: Virgo Cluster with Markarians chain. DSLR Image
760+ Galaxies can be seen in this image. (Also see the annotated version) Most of the PGC galaxies are at 1300-1700 million lightyear distance. Skywatcher Esprit 100 f5.5 refractor and Canon 6Da. 43x300 seconds iso1600 stacked in DSS with 24 Flats and 173 bias frames. Very basic processing in Pixinsight (DynamicBackgroundExtraction, HistogramTransformation, ColorSaturation)
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
This image was originally posted to Flickr by kees scherer at https://flickr.com/photos/50769593@N00/25584587953 (archive). It was reviewed on 2019-01-16 03:37:11 by FlickreviewR 2, who found it to be licensed under the terms of the cc-zero, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid.
{{Information |Description ={{en|1=Virgo Cluster with Markarians chain. DSLR Image 760+ Galaxies can be seen in this image. (Also see the annotated version) Most of the PGC galaxies are at 1300-1700 million lightyear distance. Skywatcher Esprit 100...