NGC 6905
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Planetary Nebula NGC 6905  | 
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| Image taken with the Very Large Telescope and the FORS2 instrument | |
| AladinLite | |
| Constellation | dolphin | 
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Position  equinox : J2000.0  | 
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| Right ascension | 20h 22m 23.0s | 
| declination | + 20 ° 06 ′ 16 ″ | 
| Appearance | |
| Apparent brightness (visual) | 11.1 mag | 
| Apparent brightness (B-band) | 11.9 likes | 
| Angular expansion | 1.2 ' | 
| Central star | |
| Physical data | |
| distance | 3,000 ly | 
| history | |
| discovery | William Herschel | 
| Date of discovery | September 16, 1784 | 
| Catalog names | |
| NGC 6905 • PK 61-9.1 • GC 4572 • H IV 16 • h 2075 • ARO 75, Hen 2-466 | |
NGC 6905 is a planetary nebula discovered by William Herschel on September 16, 1784. It is located about 3,000 light years away in the dolphin constellation .