expansion rate of the Universe (Hubble constant). Indeed, the open cluster NGC 7790 hosts three classical Cepheids which are critical for such efforts....
22 KB (2,596 words) - 12:03, 28 June 2024
Whirlpool Galaxy (redirect from NGC 5194)
The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus...
30 KB (3,031 words) - 12:54, 11 June 2024
merger. NGC 1592 appears to have a companion, 2MFGC (2MASS Flat Galaxy Catalog) 3572, at 40 million light years away, assuming similar velocity with NGC 1592...
3 KB (218 words) - 08:43, 28 July 2023
cluster sometimes considered to be a portion of the richer nearby cluster NGC 3572. Together with the small clusters Hogg 10 and 11, they are all part of...
10 KB (851 words) - 18:20, 12 June 2024
Catalogue of Nebulae and Clusters as number 3572. The galaxy is located only 15 degrees from the galactic plane. NGC 5643 is a grand design spiral galaxy, with...
13 KB (1,566 words) - 08:26, 25 April 2024
NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major. It is believed to be approximately 50 million light-years away from the Earth....
3 KB (184 words) - 11:46, 16 May 2024
Embedded within Messier 24. Associated with Messier 17. Associated with NGC 6820. Embedded within the Iris Nebula. There are some errors in Collinder's...
60 KB (535 words) - 18:22, 29 February 2024
NGC 3938 is an unbarred spiral galaxy in the Ursa Major constellation. It was discovered on 6 February 1788 by William Herschel. It is one of the brightest...
6 KB (499 words) - 05:35, 25 August 2023
NGC 337 is a barred spiral galaxy in the constellation Cetus. It was discovered on September 10, 1785 by William Herschel. It was described by Dreyer...
2 KB (89 words) - 00:53, 2 June 2023
NGC 3607 is a small but fairly bright lenticular galaxy in the equatorial constellation of Leo, about 2.5° south of the prominent star Delta Leonis. The...
10 KB (703 words) - 00:18, 3 December 2023