NGC 5422 and surroundings (rhedden)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: NGC 5422

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NGC 5422 and surroundings

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NGC 5422 and surroundings

NGC 5422 is a 12th magnitude lenticular galaxy (measuring 3.9’ x 0.7’) in Ursa Major that is most often seen as a background galaxy in widefield images of M101, its much more famous neighbor. This image is dedicated to NGC 5422 and that oddly shaped blue object to its lower left. At first, I thought it could be a planetary nebula, but it turns out to be two dwarf irregular galaxies designated LEDA 2800846 (PGC 2800846) and SDSSCGB 68033.3 (PGC 4539669), both approximately 18th magnitude. As for NGC 5422 itself, my 4” refractor did not resolve much detail besides the bright nucleus, simply because it does not have many detaisl to resolve. It has a very thin dust lane that shows up in images taken with large telescopes (e.g., see SDSS image).

I’m running out of new data to process here. This image came from my M101 widefield project shot in March-April, which yielded five cropped galaxy images total, this one being the fourth. I’ve had a total of one night of imaging since April due to nearly ceaseless forest fire smoke, so I’m glad I did a multi-target project in the spring and racked up 25+ hours of integration on this part of the sky. It’s really a pity, because May would have been a blockbuster month around here with something like 40+ hours of clear, moonless skies, except that all but three of those hours were ruined by smoke.

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Status	Basic success
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Astrometry.net job	7851229
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NGC 5422 and surroundings

NGC 5422 and surroundings

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NGC 5422 and surroundings

NGC 5422 and surroundings

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