factograf

EN

Intermediate spiral galaxy in the constellation Cetus

NGC 991

1 min read
In 32 languages

NGC 991

All data from the card 8

Constellation: Cetus
Right ascension: 02h 35m 32.68341s
Declination: −07° 09′ 15.8406″
Redshift: 0.005126
Heliocentric radial velocity: 1532.8 km/s
Distance: 62.9 ± 4.5 Mly (19.28 ± 1.37 Mpc)
Apparent magnitude (B): 12.36
Type: SAB(rs)c

NGC 991 is an intermediate spiral galaxy the constellation Cetus. This galaxy was discovered by astronomer William Herschel in 1785.

Supernova

One supernova has been observed in NGC 991: SN 1984L (Type Ib, mag. 14) was discovered by Robert Evans on 28 August 1984.

Read next

NGC 938Galaxy in the constellation Aries

NGC 940Galaxy in the constellation Triangulum

NGC 996Galaxy in the constellation Andromeda

NGC 782Galaxy in the constellation Eridanus

NGC 1259Galaxy in the constellation Perseus

NGC 3336Galaxy in the constellation Hydra

Text from Wikipedia, CC BY-SA 4.0 · Source article