NGC 3552
Galaxy in the constellation Ursa Major
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NGC 3552 is a lenticular galaxy in the constellation Ursa Major.[6] It was discovered on April 11, 1785 by William Herschel.[7] It is a member of the galaxy cluster Abell 1185.[3]
Right ascension11h 10m 42.843s[1]
Declination+28° 41′ 34.82″[1]
| NGC 3552 | |
|---|---|
 SDSS image of NGC 3552 (red arrow) | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h 10m 42.843s[1] |
| Declination | +28° 41′ 34.82″[1] |
| Redshift | 0.03317[2] |
| Heliocentric radial velocity | 9779 km/s[2] |
| Group or cluster | Abell 1185[3] |
| Apparent magnitude (V) | 14.3[3] |
| Apparent magnitude (B) | 15.1[2] |
| Characteristics | |
| Type | E-S0[4] |
| Size | ~134,000 ly (41.09 kpc) (estimated)[5] |
| Apparent size (V) | 0.7′ × 0.7′[5] |
| Other designations | |
| MCG +05-27-003, PGC 33932, CGCG 155-085 NED01[2] | |
One supernova has been observed in NGC 3552: SN 2025fxi (type Ia, mag. 17.756) was discovered by ATLAS on March 27, 2025.[8]
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