NGC 7101 is a compact elliptical galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is , which corresponds to a Hubble distance of . It was discovered by German astronomer Albert Marth on 3 August 1864.
Austrian astronomer Rudolf Ferdinand Spitaler also observed this galaxy, but he thought that it was NGC 7100, which is a star in the Milky Way. This error has been reproduced in some databases, such as SIMBAD.
Supernovae Two supernovae have been observed in NGC 7101: SN 2018enb (TypeIa, mag. 16.7) was discovered by Kōichi Itagaki on 2 August 2018. SN 2025upj (Type Ia, mag. 17.858) was discovered by ATLAS on 13 August 2025.
See also List of NGC objects (7001–7840)
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