Helena Observatory,   North Alton, NS

Sh2-188, Dolphin Nebula

01-May-2025 01:28 ADT 01-May-2025 04:28 UTC

Sh2-188, Dolphin Nebula, 27-Sep-2014

Scope: Orion 200mm Astrograph, f/4
Mount: HEQ5
Guiding: KWIQ/QHY5 / PHD
Imaging Camera: Atik 383L+
Frames: 3x15m Ha, 4x10m Ha, 4x5m each LRGB
Total Exposure: 2h45m
Processing: PixInsight
Distance: 850ly
Astrobin link
 
A planetary nebula in Cassiopeia. This is a very dim, difficult target.

 

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