A group of five galaxies in the constellation Pegasus. Four galaxies are actively connected, while the fifth, NGC 7320, is only projected onto the group. In a few million years, the four galaxies will merge into a single elliptical galaxy. Stephan's Quintet is one of the most studied examples of compact galaxy groups.
I tried to pull out the maximum using RC-Astro scripts in Siril. Given the 85 mm aperture and 408 mm focal length, one could say the photo and processing were done as an experiment.
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