| NGC 3666 | |
|---|---|
 Hubble Space Telescope image of NGC 3666 | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 24m 26s[1] |
| Declination | +11° 20′ 31″[1] |
| Redshift | 0.003536[2] |
| Heliocentric radial velocity | 1018 ± 1 km/s[2] |
| Apparent magnitude (B) | 12.5[1] |
| Characteristics | |
| Type | SA(rs)c[2] |
| Other designations | |
| NGC 3666, LEDA 35043, UGC 6420[1] | |
NGC 3666 is an unbarred spiral galaxy in the constellation Leo. It was discovered by William Herschel on March 15, 1784.[3] It is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster.[4]
- ^ a b c d "NGC 3666". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 June 2019.
- ^ a b c "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 3 June 2019.
- ^ Seligman, Courtney. "New General Catalog Objects: NGC 3650 - 3699". New General Catalog Objects: NGC 3650 - 3699. Retrieved 3 June 2019.
- ^ "The Leo III Groups". Atlas of the Universe. Archived from the original on July 22, 2012. Retrieved 2010-11-27.