Deepsky - Pieter Vandevelde

Sh2-173 in Cassiopeia

Scope: 10" f/3.8 Newtonian
Mount: Mesu 200 Sitech
Guiding: Lodestar + custom oag
CMOS: ASI1600MM-Cool @ -15°C
Filter: Astrodon 5nm h-alpha
Exposure: 8,5 hrs total (5 min subexposures binned 1x1); Unity Gain setting

Resolution: 0.82 arcsec/pixel

Imaged: September 2018