Helena Observatory,   North Alton, NS

Sh2-188, Dolphin Nebula

01-Mar-2024 13:02 AST 01-Mar-2024 17:02 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.