Deepsky - Pieter Vandevelde

CTB-1 Supernova remnant in Cassiopeia

Scope: 10" f/3.8 Newtonian
Mount: Mesu 200 Sitech
Guiding: Lodestar + custom oag
CCD: sbig st8300 @ -15°C
Filter: Astrodon 5nm h-alpha
Exposure: 10.5 hours (21 x 30 min)
Resolution: 1.17 arcsec/pixel

Date: September 4th & 5th 2014
Imaged from S-France during crescent moon.
The object needs another 10 hours exposure at least to reveal more details.