Helena Observatory,   North Alton, NS

Sh2-188, Dolphin Nebula

02-May-2026 20:13 ADT 02-May-2026 23:13 UTC

We are moving! In preparation for that, observations, both meteorological and astronomical, will be discontinued.
They will resume once we have settled in at the new location in Tupperville, likely in July.


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.