NGC 6304

NGC 6304

NGC 6304

Credit: 2MASS
Observation data (J2000.0 [1] epoch)
Class VI [2]
Constellation Ophiuchus [3]
Right ascension 17h 14m 32.25s [1]
Declination −29° 27′ 43.3″ [1]
Distance 19.2 kly [2]
Apparent magnitude (V) 9.03 [1]
Physical characteristics
VHB 16.25 [4]
Metallicity -0.45 [4] dex
Estimated age ~12.3 Gyr[5]
Other designations

Bennett 90,[3]
C 1711-294,[1]
ESO 454-2,[1]
ESO 454-SC 002,[6]
GC 4275,[3]
GCl 56,[1]
h 3670,[3]
I 147,[3]
NGC 6304,[1]

VDBH 216[1]

NGC 6304 is a globular cluster in the constellation Ophiuchus. William Herschel discovered this star cluster using an 18.5-inch (47 cm) f/13 speculum reflector telescope in 1786.[3] It is about 19,000 light-years away, near the Milky Way's central bulge.[7]

References

  1. ^ a b c d e f g h i "NGC 6304".  
  2. ^ a b "NGC 6304".  
  3. ^ a b c d e f "NGC 6304".  
  4. ^ a b "NGC 6304".  
  5. ^ Forbes, D. A.; Bridges, T. (2010). "Accreted versus in situ Milky Way globular clusters".  
  6. ^ "NGC 6304".  
  7. ^ Crossen, C.; Rhemann, G. (2004), Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes,  

See also

External links