NGC7822 is the brightest patch of nebulosity, below right
of centre. It contains the small star cluster Berkeley 59,
and is surrounded by the large nebula Sh2-171.
Moravian G3-16200 EC camera (on loan from O’Telescope),
Optolong Ha, O3, R, G and B filters,
Takahashi FSQ-106 ED IV at f/3.6, Paramount MX, QHY5 guide
camera, 175mm f.l. guide scope.
Acquisition with the SkyX, focused with FocusMax. All
pre-processing and processing in PixInsight.
Acquired from my SkyShed in Guelph. Gibbous moon for Ha
and O3, crescent moon for RGB, average transparency and
14x10m R, G and B; 12x20m Ha and 6x20m O3 unbinned frames