NGC 6819
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| AladinLite | |
| Constellation | swan |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 19 h 41 m 18.1 s |
| declination | + 40 ° 11 ′ 12 ″ |
| Appearance
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| classification | I1r |
| Brightness (visual) | 7.3 likes |
| Angular expansion | 5.0 ' |
| Physical data
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| Affiliation | Milky Way |
| distance | 7700 ly (2360 pc ) |
| history | |
| Discovered by | Caroline Herschel |
| Discovery time | March 12, 1784 |
| Catalog names | |
| NGC 6819 • C 1939 + 400 • OCl 155 • Mel 223 • Cr 403 • Lund 900 • GC 4511 • h 2048 • | |
NGC 6819 is an I1r Open Cluster in the constellation Swan in the northern sky . NGC 6819 has a diameter of 5 arc minutes and an apparent magnitude of 7.3 mag.
The object was discovered on March 12, 1784 by Caroline Herschel .