Helena Observatory,   North Alton, NS

M51 and Supernova SN 2011dh

15-May-2026 09:11 ADT 15-May-2026 12:11 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.


M51 and Supernova SN 2011dh, 6-Jun-2011

Scope: Orion 200mm Astrograph, f/4
Mount: HEQ5
Guiding: none
Imaging Camera: Pentax ISD-DL
ISO: 1600
Frames: 30 @ 58s
Total Exposure: 29m0s
Processing: DSS, Photoshop
Distance: 23 Mly
 
There was a lot of light in the sky, so a lot of background noise, but capturing a supernova was worth it.