NGC 6337
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Planetary Nebula NGC 6337 |
|
|---|---|
| AladinLite | |
| Constellation | Scorpio |
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Position equinox : J2000.0 |
|
| Right ascension | 17h 22m 15.6s |
| declination | -38 ° 29 ′ 01 ″ |
| Appearance | |
| Apparent brightness (visual) | 12.3 mag |
| Apparent brightness (B-band) | 11.9 likes |
| Angular expansion | 0.85 ′ × 0.85 ′ |
| Central star | |
| Physical data | |
| Radial velocity | −70 km / s |
| distance | 1354 pc |
| history | |
| discovery | John Herschel |
| Date of discovery | June 28, 1834 |
| Catalog names | |
| NGC 6337 • ESO 333-PN5 • GC 4290 • h 3680 • IRAS 17188-3826 • PK 349-1.1 | |
NGC 6337 is a 12.3 likes bright planetary nebula in the constellation Scorpio and about 1350 parsecs from Earth.
It was discovered by John Herschel on June 28, 1834 with an 18-inch reflector telescope, which, on three observations, reveals the “annular nebula. A delicate, eF, but perfectly well-defined annulus 15..20 arcseconds diam. the field crowded with stars, 2 of which are on the neb (See fig 3, plate VI) "," a beautiful, delicate ring, of a faint ghost-like appearance, about 40 arcseconds diam; in a field of about 150 stars, 11 and 12m and under. In it is one star 12m very conspicuous, and one 15m much less so. Near it are 2 stars 14 and 15m, and s of it at dist 1 ′ is another "and" eeF and difficult object, among a crowd of milky way stars. My attendant JS saw the darkness in the center and the stars as described “.