NGC 6369 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Ophiuchus (Oph) · Contains: NGC 6369

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NGC 6369

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NGC 6369

This object is a tiny planetary nebula located 3000 light years away in the southern constellation of Ophiuchus. The nebula's main ring is a bit less than one light year in diameter. The small nebula spans about 1.2 arc-minutes in our apparent view. Obviously my setup is not meant to capture these tiny objects, but I won't let that stop me from trying to see something new!

I assume from the overall shape that the nebula is bi-polar. I think that the nebula probably resembles an hourglass which we view nearly end-on, but that assumption is hard to confirm from our apparent view.

The 16th magnitude white dwarf star, about the size of earth, is seen near the center of the nebula. For me, the most interesting part of this object is the immediate dark surrounding region around the dwarf which reveals very faint whitish bi-polar gas streams. A bright white ring of gas surrounds this area. Beyond the ring, arcs of reddish hydrogen are seen at the leading edges of the nebula expansion. For a planetary nebula, I am surprised that these leading edges are not more symmetric to each other, which indicates to me that this may be a multi-polar nebula.

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Status	Advanced success
Started	...
Astrometry.net job	2731633
PixInsight job	PNL27AHC0GRTKTWCO8AFREWRKLCZAX6X
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	17h29m20s.392
RA (top/left)	17h28m41s.143
RA (top/right)	17h29m34s.901
RA (bottom/right)	17h29m59s.999
RA (bottom/left)	17h29m05s.928

Dec (center)	-23°45′34″.90
Dec (top/left)	-23°46′24″.72
Dec (top/right)	-23°53′57″.50
Dec (bottom/right)	-23°44′44″.14
Dec (bottom/left)	-23°37′11″.56

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