NGC 6396
AladinLite | |
Constellation | Scorpio |
Position equinox : J2000.0 |
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Right ascension | 17 h 37 m 36.3 s |
declination | -35 ° 01 ′ 33 ″ |
Appearance
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classification | II3p |
Brightness (visual) | 8.5 likes |
Angular expansion | 3.0 ′ |
Physical data
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Radial velocity | −13 km / s |
distance | 3900 ly (1192 pc ) |
history | |
Discovered by | John Herschel |
Discovery time | June 7, 1837 |
Catalog names | |
NGC 6396 • Cr 339 • ESO 393-SC10 • GC 4310 • h 3693 • OCL 1018 |
NGC 6396 is an open star cluster (type definition "II3p") in the constellation Scorpio . It was discovered on June 7, 1837 by John Herschel with an 18-inch reflecting telescope, which was called “Cluster VIII; small; 5 ′; place of chief double star ”.