Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC (New General Catalogue) 598. With the D25 isophotal diameter of 18.74 kiloparsecs...

This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...

on September 20, 1885. NGC 7836 is a member of the NGC 7831 Group and is part of the Perseus–Pisces Supercluster. List of NGC objects (7001–7840) "NASA/IPAC...

right/bottom): NGC 7541, NGC 3021, NGC 5643, NGC 3254, NGC 3147, NGC 105, NGC 2608, NGC 3583, NGC 3147, MRK 1337, NGC 5861, NGC 2525, NGC 1015, UGC 9391, NGC 691...

photometric search for peculiar stars in open clusters. V. NGC 2099, NGC 3114, NGC 6204, NGC 6705 and NGC 6756". Astronomy and Astrophysics. 412 (3): 721–725...

he identified the objects now designated Messier 41, Messier 47, NGC 2362 and NGC 2451. It was realized as early as 1767 that the stars in a cluster...

in the Andromeda Galaxy. A second supernova, SN 1895B, was discovered in NGC 5253 a decade later. Early work on what was originally believed to be simply...

Kris; Grammer, Skyler H. (January 2019). "Luminous and Variable Stars in NGC 2403 and M81". The Astronomical Journal. 157 (1): 22. arXiv:1811.06559. Bibcode:2019AJ...

the spin rate of the supermassive black hole at the center of the galaxy NGC 1365. By measuring the frequency change of X-ray light emitted from the black...

were discovered in the very young region NGC 2024, two of which have been photoevaporated by a B star. The NGC 2024 proplyds are significant because they...