NGC 7822: Pillars in the question mark
(Astronomical images)
1 arcsecond/pixel. 26x26 arcminutes. North is up. (mirrored)
- OSC color: 57 minutes (57 * 60 seconds. None during astro-dark)
- Equipment: C9.25, 0.63 reducer, Askar C1 Ha&Oiii filter, ASI533 MC (IMX533), EQ6-R mount.
Technically an H-alpha, Oxygen-III, Oxygen-III pallet, but only H-alpha is visible. Not really enough data to bring out the oxygen, but here’s my attempt:

Raw stacks: 32-bit FITS (RICE compressed)