NGC 6309
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Type Location r.a. dec. Size Magnitude Distance
Planetary Nebula Oph 7h14.1 -12°55' 50" 11 7 Kly ???

NGC 6309 is a very small planetary nebula in constellation Ophiuchus at an uncertain distance of about 7,000 light-years.

It is also known as "Box" nebula, why? I would rather call it the "Ear" nebula...
 

Nebula detail, sampled at .35"/pixel. Some few details seem visible, but could be artefacts.

See the Hubble Space Telescope image

Date Telescope Binning Exp Time (s) Special processing Notes
June 17, 2006 Centurion
18"
L 1:1
RGB 3:1
L 4x300
R,G,B 300
Virtual Pixel, LRGB, Max Entropy, DDP