M76, The Little Dumbell Nebula (Rick Veregin)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: Little Dumbbell · M 76 · NGC 650 · NGC 651 · PK130-10.1

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M76, The Little Dumbell Nebula

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M76, The Little Dumbell Nebula

Messier 76 (M76), known as the Little Dumbbell Nebula, the Cork Nebula or the Barbell Nebula, is a bipolar planetary nebula (BPNe). The central star, HD 10346, has a temperature of about 60,000 K, while the nebula itself has a surface temperature of about 88,400 K, emitting most of its visual light in the green, due to doubly ionized oxygen [OIII]. At a distance of 2500 light years, its size is 1.23 light-years. The inner cork part of the nebula is understood to be a torus seen edge on, created from mass ejection from the central star. The mass loss culminates in a superwind in the plane of that torus, which interacts with that accumulated equatorial gas and dust, blowing bubbles in the polar directions.

M76 is relatively faint, so I would have preferred a lot more exposure time, but poor skies have left no time this year to gather more. Hope to have an update next year.

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Status	Advanced success
Started	...
Astrometry.net job	3205505
PixInsight job	5S80FBI5XTRZCW488ZFU0B6344RJADMO
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h42m18s.920
RA (top/left)	01h40m52s.406
RA (top/right)	01h43m45s.129
RA (bottom/right)	01h43m45s.963
RA (bottom/left)	01h40m51s.959

Dec (center)	+51°34′35″.76
Dec (top/left)	+51°25′39″.17
Dec (top/right)	+51°25′35″.25
Dec (bottom/right)	+51°43′28″.84
Dec (bottom/left)	+51°43′30″.18

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M76, The Little Dumbell Nebula

M76, The Little Dumbell Nebula

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M76, The Little Dumbell Nebula

M76, The Little Dumbell Nebula

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