NGC 605 explained

NGC 605 is a lenticular galaxy in the constellation Andromeda, which is about 234 million light-years from the Milky Way. It was discovered on October 21, 1881 by the French astronomer Édouard Jean-Marie Stephan.

SIMBAD lists NGC 605 as an active galaxy nucleus candidate.^[1]

One supernova has been observed in NGC 605: SN 2024nnu (type Ia, mag. 15.6).^[2]

Notes and References

1. https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=ngc+605&submit=SIMBAD+search SIMBAD database entry for NGC 605.
2. https://www.wis-tns.org/object/2024nnu Transient Name Server entry for SN 2024nnu.