NGC 6884
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Planetary Nebula NGC 6884 |
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | swan |
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Position equinox : J2000.0 |
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| Right ascension | 20h 10m 23.7s |
| declination | + 46 ° 27 ′ 39 ″ |
| Appearance | |
| Apparent brightness (visual) | 10.9 likes |
| Apparent brightness (B-band) | 11.9 likes |
| Angular expansion | 0.25 ′ × 0.25 ′ |
| Central star | |
| designation | HD 191916 |
| Physical data | |
| Redshift | −0.000119 |
| Radial velocity | −35.6 km / s |
| history | |
| discovery |
EC Pickering Ralph Copeland |
| Date of discovery | May 8, 1883 September 20, 1884 |
| Catalog names | |
| NGC 6884/6766 • PK 82 + 7.1 • | |
NGC 6884 = NGC 6766 is a planetary nebula in the constellation Swan . The nebula was discovered on May 8, 1883 by the American astronomer Edward Charles Pickering . The Scottish astronomer Ralph Copeland also observed it on September 20, 1884. This led to the fact that there is a second entry in NGC for this nebula with NGC 6766 .
Web links
Commons : NGC 6884 - collection of images, videos, and audio files
