Deepsky - Pieter Vandevelde

LBN 331 / DWB 171 in Cygnus

Scope: 10" f/3.8 Newtonian
Mount: Mesu 200 Sitech
Guiding: Lodestar + custom oag
CCD: sbig st8300 @ -12°C
Filter: Astrodon 5nm h-alpha
Exposure: 22 hours total (30 min subexposures)

Resolution: 1.17 arcsec/pixel

Imaged during 4 nights beginning of August 2015 from S-France.