NGC 6439
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Planetary Nebula NGC 6439 |
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| SDSS recording | |
| AladinLite | |
| Constellation | Sagittarius |
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Position equinox : J2000.0 |
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| Right ascension | 17h 48m 19.8s |
| declination | -16 ° 28 ′ 44 ″ |
| Appearance | |
| Apparent brightness (visual) | 12.6 mag |
| Apparent brightness (B-band) | 13.8 mag |
| Angular expansion | 0.23 ′ × 0.23 ′ |
| Central star | |
| Physical data | |
| Radial velocity | −109 km / s |
| distance | 6330 pc |
| history | |
| discovery | Edward Pickering |
| Date of discovery | August 18, 1882 |
| Catalog names | |
| NGC 6439 • IRAS 17454-1627 • PK 11 + 5.1 | |
NGC 6439 is a 12.6 likes bright planetary nebula in the constellation Sagittarius and about 6330 parsecs from Earth. It was discovered by Edward Pickering on August 18, 1882 .
Web links
- NGC 6439. SIMBAD, accessed July 20, 2016 .
- NGC 6439. DSO Browser, accessed July 20, 2016 .
- Auke Slotegraaf: NGC 6439. Deep Sky Observer's Companion, accessed on July 20, 2016 (English).