NGC 6578
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Planetary Nebula NGC 6578 |
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Sagittarius |
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Position equinox : J2000.0 |
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| Right ascension | 18h 16m 16.5s |
| declination | -20 ° 27 ′ 03 ″ |
| Appearance | |
| Apparent brightness (visual) | 12.9 mag |
| Apparent brightness (B-band) | 13.1 mag |
| Angular expansion | 0.18 ′ × 0.18 ′ |
| Central star | |
| designation | ESO 590-12 |
| Apparent brightness | 11.8 mag |
| Physical data | |
| Redshift | +0.000015 |
| Radial velocity | +4.4 km / s |
| distance | 7830 Lj (2400 pc ) |
| history | |
| discovery | EC Pickering |
| Date of discovery | August 18, 1882 |
| Catalog names | |
| NGC 6578 • ESO 590-PN12 • Hen 2-381 • PN G010.8-01.8 | |
NGC 6578 is a planetary nebula in the constellation Sagittarius , which is approximately 7800 light years from Earth .
The object was discovered on August 18, 1882 by the American astronomer Edward Charles Pickering .