NGC 6309

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...

NGC 6309

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

NGC 6309 detail

See the Hubble Space Telescope image

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