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The Grus Quartet.

This gravitationally bound spiral group of galaxies, NGC 7582, NGC 7590, NGC 7599, and NGC 7552, makes up the Grus Quartet which is located in the constellation Grus. The centre galaxy NGC 7582 contains a supermassive black hole with a mass approximately 10 million times that of our Sun. The distance to this galaxy group is estimated to be between 60 and 70 million light-years. This is just over an hour of data captured from my backyard. 127×30″ unguided from suburbia.

24th Aug 2025

GSO 8" f/4 Imaging Newtonian

Sky-Watcher AZ-EQ6 PRO

IDAS LPS-P2 50 mm

Baader 2" MPCC Mark III Newton Coma Corrector

Adobe Lightroom

Aries Productions Astro Pixel Processor (APP)

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Uploaded on November 28, 2025