Helena Observatory,   North Alton, NS

C-9, the Cave Nebula

07-Nov-2025 13:26 ADT 07-Nov-2025 16:26 UTC

C-9, the Cave Nebula, 26-Aug-2014

Scope: Orion 200mm Astrograph, f/4
Mount: HEQ5
Guiding: KWIQ/QHY5 / PHD
Imaging Camera: Atik 383L+
Frames: 6x 15m Ha; 6x 5m ea R,G,B; 3x 5m L
Total Exposure: 3h15m
Processing: PixInsight
Distance: 2400 ly
Astrobin link
 
The Cave Nebula is an emmission nebula also known as Sh2-155. At the bottom is reflection nebula vdB155.

 

Copyright © 2019 by Kathleen Walker
Last modified: 02-Feb-2019