NGC 57

NGC 57 is an elliptical galaxy in the constellation Pisces.^[1] It was discovered by German-British astronomer William Herschel on 8 October 1784.^[4]

SN 2010dq imaged on 3 September 2010

NGC 57
NGC 57 imaged by SDSS
Observation data (J2000 epoch)
Constellation	Pisces[1]
Right ascension	00h 15m 30.9132s[2]
Declination	+17° 19′ 42.307″[2]
Redshift	0.018146[2]
Heliocentric radial velocity	5,440 ± 22 km/s[2]
Distance	243 Mly[3]
Apparent magnitude (V)	11.8[1]
Apparent magnitude (B)	12.8[1]
Characteristics
Type	E[2]
Apparent size (V)	2.2′ × 1.9′[2]
Other designations
UGC 145, MCG +03-01-031, PGC 1037, CGCG 456-046[2]

Supernovae

Three supernovae have been observed in NGC 57:

• SN 2010dq (type Ia, mag. 17) was discovered by Kōichi Itagaki on 3 June 2010. It was 17" west and 1" south of the center of NGC 57 at coordinates 00^h 15^m 29.70^s, +17° 19′ 41.0″.^[5][6]
• 2011fp (type Ia, mag. 17.9) was discovered by Kōichi Itagaki on 29 August 2011.^[7][8]
• SN 2020mza (mag 19.9) was discovered on 18 June 2020.^[9]

See also

• Elliptical galaxy
• List of NGC objects (1–1000)
• Pisces (constellation)

NGC 57 (2MASS)