NGC 6946
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| Galaxy | List of galaxies |
|---|---|
Spiral Galaxy NGC 6946 |
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| Observation data (Epoch J2000) |
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| Constellation | Cepheus |
| Right ascension | 20h 34m 52.3s[1] |
| Declination | +60° 09′ 14″[1] |
| Redshift | 48 ± 2 km/s[1] |
| Distance | 10 Mly[citation needed] |
| Type | SAB(rs)cd[1] |
| Apparent dimensions (V) | 11′.5 × 9′.8[1] |
| Apparent magnitude (V) | +9.6[1] |
| Notable features | |
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NGC 6946 is an intermediate spiral galaxy about 10 million light-years away in the constellation Cepheus. It was discovered by William Herschel on September 9, 1798. NGC 6946 is highly obscured by interstellar matter of the Milky Way galaxy, as it is quite close to the galactic plane. Eight supernovae (SN 1917A, SN 1939C, SN 1948B, SN 1968D, SN 1969P, SN 1980K, SN 2002hh, and SN 2004et) were observed in NGC 6946.
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