NGC1642 is a spiral galaxy in the constellation of Taurus. Its velocity with respect to the cosmic microwave background is 4575 ± 3km/s, which corresponds to a Hubble distance of . However, one non-redshift measurement gives a much closer distance of . It was discovered by German astronomer Heinrich d'Arrest on 29 December 1861.
NGC 1762 Group According to A.M. Garcia, the galaxy NGC1642 is part of the NGC1762 group (also known as LGG120) that includes at least 27 galaxies, including , NGC 1590, NGC 1633, , , NGC 1719, and NGC 1762, among others.
Supernova One supernova has been observed in NGC1642: SN2023bhm (TypeIa-91bg-like, mag.18.1) was discovered by the Zwicky Transient Facility on 2 February 2023.
See also List of NGC objects (1001–2000)
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