Amazing Sky by Alan Dyer

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Messier Objects

Image 22 of 284

Realm of the Galaxies in Coma-Virgo

Coma-Virgo Region (RF135mm R5).jpg

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This is a wide-field framing of the heart of the galaxy-ruch region of Coma Berenices and Vrigo – the Coma-Virgo Supercluster of galaxes. This is with a 135mm telephoto lens so is a field 15° tall and 10° wide. It contains 16 Messier galaxies and numerous NGC catalogue galaxies. Just above centre is Messier 87, the gravitational core of the cluster. Above it is the arc of galaxies known as Markarian's Chain.

This is a stack of 18 x 1-minute exposures with the Canon RF135mm lens at f/2.2 and Canon R5 at ISO 1000. A starless "galaxies-only" layer created with Star XTerminator helped bring out the galaxies independently of the background stars. An action in AstronomyTools added the diffraction spikes on the stars ito help distinguish them from the galaxies.

This is an image that needs to be viewed or presented large in order to see the galaxies well, but they are all there and quite sharp. It serves as a good finder chart or mao of the region.
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© Alan Dyer/AmazingSky.com
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This is a wide-field framing of the heart of the galaxy-ruch region of Coma Berenices and Vrigo – the Coma-Virgo Supercluster of galaxes. This is with a 135mm telephoto lens so is a field 15° tall and 10° wide. It contains 16 Messier galaxies and numerous NGC catalogue galaxies. Just above centre is Messier 87, the gravitational core of the cluster. Above it is the arc of galaxies known as Markarian's Chain. <br /> <br /> This is a stack of 18 x 1-minute exposures with the Canon RF135mm lens at f/2.2 and Canon R5 at ISO 1000. A starless "galaxies-only" layer created with Star XTerminator helped bring out the galaxies independently of the background stars. An action in AstronomyTools added the diffraction spikes on the stars ito help distinguish them from the galaxies. <br /> <br /> This is an image that needs to be viewed or presented large in order to see the galaxies well, but they are all there and quite sharp. It serves as a good finder chart or mao of the region.