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Revision as of 23:36, 6 January 2006
| Sunflower Galaxy (M63) | |
|---|---|
| Epoch | J2000.0 |
| Observation data | |
| Type | SAb |
| Right ascension | 13 15.8 |
| Declination | +42° 02′ |
| Distance | 37 millon ly |
| Apparent magnitude (V) | +8.4 |
| Apparent dimension(s) (V) | 10 × 6 arcmins |
| Constellation | Canes Venatici |
| Cluster | M51 Group |
| Physical characteristics | |
| Radius | |
| Absolute magnitude | 8.6 |
| Notable features | Type I supernova occured on May 25, 1971 |
| Other denominations | M63, NGC 5055 |
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The Sunflower Galaxy (also known as Spiral Galaxy M63, Messier Object 63, Messier 63, M63, or NGC 5055) is a spiral galaxy in the Canes Venatici constellation. It was discovered by Pierre Méchain in 1779. The Sunflower Galaxy apparently forms a physical group with the Whirlpool Galaxy and several smaller galaxies; the M51 group of galaxies.