Stephans’ Quintet

Stephan’s Quintet is a visual grouping of five galaxies of which four form the first compact galaxy group ever discovered.^[2] The group, visible in the constellation Pegasus, was discovered by Édouard Stephan in 1877 at the Marseille Observatory.^[3] The group is the most studied of all the compact galaxy groups.^[2]

Imaged in my Desert Astro observatory with a Planewave CDK17, Paramount MEII, ZWOASI2600 MC Pro Duo. Unguided for 9.7 hrs. on 10/15/25. Processed with Pixinsight EZ Suite