Deepsky - Pieter Vandevelde

M52 and NGC 7635: Emission "Bubble" nebula in Cassiopeia

Scope: 10" f/3.8 Newtonian
Mount: Mesu 200 Sitech
Guiding: Lodestar + custom oag
CCD: sbig st8300 @ -23°C
Filter: Astrodon 5nm h-alpha
Exposure: 21h 40m total (20 min subexposures)
2 panel mosaic

Resolution: 1.17 arcsec/pixel

Imaged during 3 nights end of Sept / early Oct 2015