NGC 6939 is an open cluster in the constellation Cepheus. It was discovered by William Herschel in 1798. The cluster lies 2/3° northwest from the spiral...
5 KB (560 words) - 08:23, 16 June 2024
proposed, showing that the rotation curves for the Milky Way, NGC 3031, NGC 3198 and NGC 7331 are consistent with the mass density distributions of the...
33 KB (4,178 words) - 05:48, 12 August 2024
NGC 2800, also known as PGC 26302, is an elliptical galaxy in the constellation Ursa Major. It was discovered February 17, 1831 by William Herschel. Skrutskie...
3 KB (190 words) - 20:24, 12 August 2023
NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty...
3 KB (286 words) - 21:06, 28 June 2023
NGC 2903 is an isolated barred spiral galaxy in the equatorial constellation of Leo, positioned about 1.5° due south of Lambda Leonis. It was discovered...
10 KB (846 words) - 00:20, 3 December 2023
NGC 2803, also known as PCG 26181, is an elliptical or lenticular galaxy in the zodiac constellation Cancer. It was discovered March 21, 1784, by William...
3 KB (199 words) - 17:51, 18 January 2024
Letters B. 160 (1–3): 181. Bibcode:1985PhLB..160..181B. doi:10.1016/0370-2693(85)91489-3. MacKeown, P. K.; Weekes, T. C. (1985). "Cosmic Rays from Cygnus...
51 KB (5,864 words) - 19:05, 16 July 2024
hole candidates include the Andromeda Galaxy, M32, M87, NGC 3115, NGC 3377, NGC 4258, NGC 4889, NGC 1277, OJ 287, APM 08279+5255 and the Sombrero Galaxy...
164 KB (18,501 words) - 04:51, 26 July 2024
NGC 2950 is a lenticular galaxy in the northern constellation of Ursa Major, about 50 million light years from the Milky Way and receding with a heliocentric...
9 KB (501 words) - 21:01, 21 October 2023
Palomar 2". Monthly Notices of the Royal Astronomical Society. 493 (2): 2688–2693. doi:10.1093/mnras/staa510. hdl:10183/212352. ISSN 0035-8711. Catelan, M...
11 KB (1,130 words) - 15:16, 18 July 2024