NGC 7331
Data acquired by Michel using the 1.8-metre telescope.
Date: September 24, 2017
Constellation: Pegasus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Plaskett 1.8-metre Telescope
Camera: E2V Imager
Exposure: SDSS Prime Filters [g:11x180s/i:10x180s/r:10x180s]
Processing: Light frames calibrated with flat and bias frames in ImagesPlus