NGC 1585 is a spiral galaxy in the constellation of Caelum. Its velocity with respect to the cosmic microwave background is 4,635 ± 31km/s, which corresponds to a Hubble distance of 68.4 ± 4.8Mpc (~223million light-years). It was discovered by British astronomer John Herschel on 1 December 1837.
The SIMBAD database lists NGC1585 as a Seyfert I Galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.
Supernovae Two supernovae have been observed in NGC1585: SN2023vio (Type Iax [02cx-like], mag.19.053) was discovered by ATLAS on 17 October 2023. SN 2025xes (TypeIa, mag. 16.81) was discovered by ATLAS on 10 September 2025.
See also List of NGC objects (1001–2000)
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