The subject of this image is NGC 6861, a galaxy discovered in 1826 by the Scottish astronomer James Dunlop. Almost two centuries later we now know that NGC 6861 is the second brightest member of a ...
Machacek, M. E., O'Sullivan, Ewan J., Randall, Scott W., Jones, C., and Forman, William R. 2010. "The Mysterious Merger of NGC 6868 and NGC 6861 in the Telescopium ...
As a long-time observer of galaxies, I have a saying: “Why look at just one galaxy when you can look at multiple galaxies at the same time?” By observing groups and clusters, you not only get treated ...
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