NGC 6318
| AladinLite | |
| Constellation | Scorpio |
|
Position equinox : J2000.0 |
|
|---|---|
| Right ascension | 17 h 16 m 11.6 s |
| declination | -39 ° 25 ′ 30 ″ |
| Appearance
|
|
| classification | III2p |
| Brightness (visual) | 11.8 mag |
| Angular expansion | 5.0 ′ |
| Physical data
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| distance | 7200 ly (2220 pc ) |
| history | |
| Discovered by | James Dunlop |
| Discovery time | May 13, 1826 |
| Catalog names | |
| NGC 6318 • Mel 166 • Cr 325 • ESO 333-SC1 • GC 4280 • h 3672 • OCL 1004 • Dunlop 522 • Collinder 325 • C 1714-394 • Bennett 91a | |
NGC 6318 is an open star cluster (type definition "III2p") in the constellation Scorpio . It was discovered on May 13, 1826 by James Dunlop with a 9-inch reflector telescope, who wrote it “an exceddingly faint nebula, about 1.5 ′ long and 1 ′ broad, elliptical in the direction of the meridian, with two or three very small stars in it ”.
During his observation with an 18-inch reflector telescope, John Herschel noted “cluster VII class. Rich, pL, R, gbM, stars 12..14th mag, not a globular ".