Right ascension 00 43 08.84 Redshift 0.174 Type E Constellation Cassiopeia | Declination +52° 03′ 33.8″ Distance ~ 700 Mpc Magnitude 19 Apparent magnitude (V) 19 | |
Apparent dimensions (V) 76.8 × 76.8 arcsec² (radiogalaxy) Similar NGC 133, Chi Cassiopeiae, Lambda Cassiopeiae, Psi Cassiopeiae, Tau Cassiopeiae | ||
3C 20 is a radio galaxy located in the constellation Cassiopeia.
References
3C 20 Wikipedia(Text) CC BY-SA