NGC 6891
Planetary nebula data from NGC 6891 |
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Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | dolphin |
Position equinox : J2000.0 |
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Right ascension | 20h 15m 08.8s |
declination | + 12 ° 42 ′ 16 ″ |
Appearance | |
Apparent brightness (visual) | +10.5 mag |
Apparent brightness (B-band) | +11.7 mag |
Angular expansion | 0.35 ′ × 0.35 ′ |
Central star | |
designation | HD 192563 |
Physical data | |
Redshift | +0.000140 |
Radial velocity | +42.1 km / s |
distance | 7200 ly |
history | |
discovery | Ralph Copeland |
Date of discovery | September 22, 1884 |
Catalog names | |
NGC 6891 • PK 54-12.1 • CS 12.4 |
NGC 6891 is the name of a planetary nebula in the constellation Dolphin . NGC 6891 has an angular extent of 0.35 'and an apparent magnitude of 10.5 mag.
The object was discovered on September 22, 1884 by the Scottish astronomer Ralph Copeland .
Web links
Commons : NGC 6891 - collection of images, videos, and audio files