NGC 201 is a

spiral galaxy Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

Cetus Cetus () is a constellation, sometimes called 'the whale' in English. The Cetus (mythology), Cetus was a sea monster in Greek mythology which both Perseus and Heracles needed to slay. Cetus is in the region of the sky that contains other water- ...

. It is one of the group members of HCG 7, with the other group members NGC 192, NGC 196, and

NGC 197 NGC 197 is a lenticular galaxy located in the constellation Cetus. It was discovered on October 16, 1863 by Albert Marth. See also * List of NGC objects (1–1000) This is a list of NGC objects 1–1000 from the New General Catalogue (NGC). ...

. It was discovered on December 28, 1790 by

William Herschel Frederick William Herschel (; german: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline H ...

. One

supernova A supernova is a powerful and luminous explosion of a star. It has the plural form supernovae or supernovas, and is abbreviated SN or SNe. This transient astronomical event occurs during the last evolutionary stages of a massive star or when ...

has been observed in NGC 201: SN 2019yc ( type IIb, mag. 16.7).Transient Name Server entry for SN 2019yc.
Retrieved 24 March 2023.

Image gallery

NGC201 - SDSS DR14.jpg, NGC 201 ( SDSS) NGC 0201 SDSS.jpg, NGC 201 with nearby galaxies ( SDSS)

References

External links

* *
SEDS
{{DEFAULTSORT:NGC 201 0201 0419 +00-02-115 002388 Spiral galaxies Astronomical objects discovered in 1790 Discoveries by William Herschel Cetus