NGC 140

NGC 140 is a spiral galaxy in the constellation of Andromeda. It was discovered by Truman Henry Safford on October 8, 1866.^[1]

NGC 140
NGC 140 imaged by Legacy Surveys
Observation data (J2000 epoch)
Constellation	Andromeda[1]
Right ascension	00h 31m 20.5s[2]
Declination	+30° 47′ 33″[2]
Redshift	0.021458[2]
Heliocentric radial velocity	6433 km/s[2]
Apparent magnitude (V)	13.94[2]
Characteristics
Type	Scd[1]
Apparent size (V)	1.35' × 1.15'[1]
Notable features	"Very faint, small, round, gradually brighter middle."[1]
Other designations
UGC 311,[2] PGC 1916[1]

Historical Information

Safford's discovery in 1866 was published in the appendix of an obscure paper. Sixteen years later, on November 5, 1882, Edouard Stephan discovered the same object, but was unaware of Safford's earlier discovery. Wolfgang Steinicke's version of the catalog lists Safford as the discoverer.^[1]

Supernova

One supernova has been observed in NGC 140: SN 2025wug (Type IIb, mag. 16)^[3] was discovered by ATLAS on 2 September 2025.