| NGC 3665 | |
|---|---|
 NGC 3665 by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h 24m 43.7s[1] |
| Declination | +38° 45′ 46″[1] |
| Redshift | 0.006901 ± 0.000017 [1] |
| Heliocentric radial velocity | 2,069 ± 5 km/s[1] |
| Distance | 85.6 ± 22 Mly (26.3 ± 6.8 Mpc)[1] |
| Apparent magnitude (V) | 10.7 [2] |
| Characteristics | |
| Type | SA(s)0^0^ [1] |
| Apparent size (V) | 4.3′ × 3.3′ [2] |
| Other designations | |
| UGC 6426, CGCG 214-004, MCG +07-24-003, PGC 35064[1] | |
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NGC 3665 is a lenticular galaxy located in the constellation Ursa Major. It is located at a distance of circa 85 million light-years from Earth, which, given its apparent dimensions, means that NGC 3665 is about 85,000 light years across. It was discovered by William Herschel on March 23, 1789.[3]
- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 3665. Retrieved 2019-01-18.
- ^ a b "Revised NGC Data for NGC 3665". spider.seds.org. Retrieved 25 November 2018.
- ^ Seligman, Courtney. "NGC 3665 (= PGC 35064)". Celestial Atlas. Retrieved 19 November 2018.