NGC 990 is an elliptical galaxy located in the constellation Aries about 153 million light-years from the Milky Way.[3] It was discovered by the German - British astronomer William Herschel in 1786.[5][6]
NGC 990 | |
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Observation data (J2000 epoch) | |
Constellation | Aries |
Right ascension | 02h 36m 18.206s[1] |
Declination | +11° 38′ 31.57″[1] |
Redshift | 0.011701[2] |
Heliocentric radial velocity | 3487 km/s[2] |
Distance | 153.0 Mly (46.90 Mpc)[3] |
Apparent magnitude (V) | 12.46[4] |
Apparent magnitude (B) | 13.49[4] |
Characteristics | |
Type | E[2] |
Other designations | |
UGC 2089, MCG +02-07-018, PGC 9890[2] |