Tuesday, July 05, 2016

imaged Barnard's Galaxy (Halifax)

Just for fun, I asked the robot BGO to image Barnard's Galaxy, aka NGC 6822, for me. Purportedly, it is one of the RASC 40 Brightest Galaxies. In Sagittarius, it is also known as Caldwell 57, IC 4895, MCG -2-50-6, and PGC 63616. While I've viewed it before, last weekend I could not see it visually. It's huge and irregular with some large H II regions. Bit of a gradient in this photograph.

RASC Barnard's Galaxy NGC 6822 luminance

Luminance only, 60 seconds subexposures, 10 stacked shots. FITS Liberator, Paint.NET. North is up; left is east.

At the top-right or north-west, there's a small elongated blob. That's actually two distant galaxies. The inner one is MCG -2-50-3 and almost looks like a ring. The outer is MCG -2-50-2.


Wikipedia link: NGC 6822.

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