Deepsky - Pieter Vandevelde

Sh2-199 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: 16h total (20 min subexposures)
2 panel mosaic

Resolution: 1.17 arcsec/pixel

Imaged during 3 nights end of Oct / early Nov 2015