NGC 7331: a galaxy in Pegasus

A spiral galaxy lying 40 million light years away, 10.4 mg in total brightness. It has produced several supernovae during the last decades

A number of far-away galaxies are in the background, much farther away.

Images taken: Sept. 26-27, 2022, by Grace Wolff and Matthew Johnson.

Telescope: CDK 17" (on campus); Camera: SBIG ST-10 CCD.

Exposures: 2 hours each of red, green, blue (6 hours total).