NGC5792 (Michael Feigenbaum)

NGC5792

Here's a try at an interesting galaxy, NGC5792 in Libra. This is a rather rarely imaged galaxy which is somewhat surprising to me considering it's unusual morphology and not very small. Not much to be found on-line about it at all except for some basic information. Rick Johnson, who passed away several years had a site online called ManTrapSkies.com. This site is still, at least partially anyway, available to browse. It is a huge trove of data and he was, it seems, a very prolific imager who not only did the photos, he tried to learn and document all he could on each project. Rick was a highly respected amateur although I can't say that I actually ever corresponded with him but he was a fixture on Cloudy Nights.

Rick's entry on this galaxy has a lot more information about this subject than any other source that I can find. In his entry, he described the galaxy as being about 100 million ly distant and quite large at about 240,000 ly in diameter. An interesting excerpt of his description is as follows:

"I measure it as about 500 arc seconds across its wide arms. That would make it a huge spiral at 240,000 light-years across. To my eye, the far eastern arm is oddly diffuse and appears warped upward as my image is oriented. I found nothing in the notes at NED indicating any warp. In fact, the notes seem oddly at odds with each other. One says: "NGC 5792 is a highly inclined, well-formed barred spiral with an evident almost-complete inner ring from which the grand design two-armed spiral pattern emerges." While another read: "5792 Highly peculiar spiral with overextended spiral arms..." So is it regular or peculiar? I vote for the latter."

This image was a combinations effort using the VC200L for luminance and the C9.25 for HA and RGB. It was a little tough, as is usual for me, to get the color where I thought it should be. In this case, I allowed the few brighter stars to help me decide the color and in the end, I think it is ok.

Anyway, I hope you like this one, Clear Skies and good health to you all.

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Status	Advanced success
Started	...
Astrometry.net job	7880700
PixInsight job	DRSRYVWH3TGPYINKIHVFVNDUIY58Z5JQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h58m19s.812
RA (top/left)	14h58m43s.995
RA (top/right)	14h57m09s.945
RA (bottom/right)	14h57m55s.718
RA (bottom/left)	14h59m29s.700

Dec (center)	-01°05′14″.99
Dec (top/left)	-00°48′50″.67
Dec (top/right)	-01°04′16″.29
Dec (bottom/right)	-01°21′40″.68
Dec (bottom/left)	-01°06′15″.48

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