NGC 801 is a spiral galaxy with an active galaxy core [citation needed] in the constellation Andromeda. It is estimated to be 174 million light-years from the Milky Way and has a diameter of approximately 174,400 light-years. The object was discovered on September 20, 1885 by the American astronomer Lewis A. Swift. [7] [8]

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NGC 801 是 仙女座 的一個 星系。

NGC 801 is a Spiral Galaxy in the Andromeda constellation. NGC 801 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its visual magnitude of 13.47, NGC 801 is visible with the help of a telescope having an aperture of 10 inches (250mm) or more.

NGC 801是一天体，发现者是路易斯·斯威夫特，发现于1885年9月20日。

NGC 801 is a spiral galaxy with an active galaxy core in the constellation Andromeda. It is estimated to be 174 million light-years from the Milky Way and has a diameter of approximately 174,400 light-years. The object was discovered on September 20, 1885 by the American astronomer Lewis A. Swift.

NGC 801 is an Active Galactic Nuclei/Nucleus located in the constellation of Andromeda in the northern hemisphere. NGC 801's distance from Earth is 196,421,155.34 light years. NGC 801 is called NGC 801 in the New General Catalogue (NGC).

ngc 801 是仙女座的一个星系。 维基共享资源上的相关多媒体资源：ngc 801. ned – ngc 801; seds – ngc 801; simbad – ngc 801; vizier – ngc 801

2019年11月28日 · NGC 801 (UGC 1550, PGC 7847 and others) is an AGN galaxy located above NGC 797. Information on both of these is parse and all over the place. Estimates put these between 160 and 260 million light-years away in Andromeda.

NGC 801 est une vaste galaxie spirale située dans la constellation d'Andromède. Sa vitesse par rapport au fond diffus cosmologique est de 5 527 ± 17 km/s, ce qui correspond à une distance de Hubble de 81,5 ± 5,7 Mpc (∼266 millions d' al) 1. NGC 801 a été découverte par l'astronome américain Lewis Swift en 1885.