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]

NGC 3666
Hubble Space Telescope image of NGC 3666
Observation data (J2000 epoch)
ConstellationLeo
Right ascension11h 24m 26s[1]
Declination+11° 20′ 31″[1]
Redshift0.003536[2]
Heliocentric radial velocity1018 ± 1 km/s[2]
Apparent magnitude (B)12.5[1]
Characteristics
TypeSA(rs)c[2]
Other designations
NGC 3666, LEDA 35043, UGC 6420[1]

See also

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References

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  1. ^ a b c d "NGC 3666". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 June 2019.
  2. ^ a b c "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 3 June 2019.
  3. ^ Seligman, Courtney. "New General Catalog Objects: NGC 3650 - 3699". New General Catalog Objects: NGC 3650 - 3699. Retrieved 3 June 2019.
  4. ^ "The Leo III Groups". Atlas of the Universe. Archived from the original on July 22, 2012. Retrieved 2010-11-27.
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