NGC 6578
Planetary Nebula NGC 6578 |
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Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Sagittarius |
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 .