NGC 2371 #1 (Molly Wakeling)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: NGC 2371 · NGC 2372 · PGC 1865896 · PK189+19.1

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NGC 2371 #1

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NGC 2371 #1

Lately I've been working on processing in the "in-between" times -- running the next step of pre-processing while I wait for some of my research code to compile, stretching while I eat breakfast, and then maybe working on color after dinner. So I am managing to get a few images processed!

This is NGC 2371, a planetary nebula in the constellation Gemini! Just in time to celebrate this year's magnificent Geminids meteor shower. It lies about 4,400 lightyears from Earth. As far as I can tell, it doesn't seem to have an accepted common name, but it so much resembles a candy wrapper or a piece of gum that I think it deserves one! If you look very closely, you can see the central star that is in the end stages of its life. It was a Sun-like star, but then it ballooned into a red giant when it didn't have enough hydrogen to fuse anymore, and then it could no longer hold onto its outer layers of gas. The core that remains will become a white dwarf, and right now it has a super-hot surface temperature of 240,000 degrees F (133,000 K)!

I'm surprised I haven't seen it imaged more often -- it's quite bright, and readily showed up in my subframes (using a duo-narrowband filter). At magnitude 13 and a modest size (not too big, not too small), it shouldn't be hard to spot in a telescope, especially with a nebula boost or OIII filter. I'll have to add it to my observing list next time I'm at an eyepiece!

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Status	Advanced success
Started	...
Astrometry.net job	8912525
PixInsight job	UX1Q7679KR2T0VPB87DJ2LQKO3CT2ZS0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h25m34s.956
RA (top/left)	07h26m20s.734
RA (top/right)	07h26m09s.707
RA (bottom/right)	07h24m48s.896
RA (bottom/left)	07h25m00s.291

Dec (center)	+29°29′17″.74
Dec (top/left)	+29°16′56″.44
Dec (top/right)	+29°43′15″.41
Dec (bottom/right)	+29°41′39″.54
Dec (bottom/left)	+29°15′18″.37

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