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M98=NGC 4192: bright, very large, very much extended 152deg, magnitude 10.1m, angular diameter 9.9' x 2.2'. Right ascension: 12h13m48.18s, Declination: +14 53' 42.7", Hubble class: Sb Alternate names: MESS 98, NGC 4192, UGC 7231, MCG 3-31- 79, CGCG 98-108, IRAS12112+1510, VCC 92 M99=NGC 4254: very much remarkable, bright, large, round, gradually brighter middle, resolvable, 3-branched spiral; magnitude 10.2m, angular diameter 5.0' x 4'. Right ascension: 12h18m49.35s, Declination: +14 25' 06.9", Hubble class: Sc Alternate names: MESS 99, NGC 4254, UGC 7345, MCG 3-31- 99, CGCG 99- 11, CGCG 98-144, IRAS12162+1441, VCC 307, PGC 039578 Наблюдавшиеся сверхновые: SN1967H (1967 Jul 2, 14.6m), SN1972Q (1972 Dec 14, 15.8m), SN1986I (1986 May 17, 14m). M100=NGC 4321: very much remarkable, pretty faint, very large, round, very gradually, pretty suddenly brighter middle, nucleus, 2- brighter resolvable spir; magnitude 10.6m, position angle 30 degrees, angular diameter 6.8' x 5.8'. Right ascension: 12h22m55.20s, Declination: +15 49' 22.5", Hubble class: Sc Alternate names: MESS 100, NGC 4321, UGC 7450, MCG 3-32- 15, CGCG 99- 30, IRAS12204+1605, KUG 1220+160, VCC 596, PGC 040153 Наблюдавшиеся сверхновые: SN1901B (1901 Mar 17, 15.6m), SN1914A (1914 Mar 2, 15.7m), SN1959E (1960 Feb 21, 17.5m), SN1979C (1979 Apr 19, 12.1m). На снимке М100 заметны еще две маленькие и слабые галактики: NGC 4328 (14.1m) слева и NGC 4322 (14.8m) выше. |