Class VI Right ascension 17 14 32.25 Distance 19.2 kly | Declination −29° 27′ 43.3″ Apparent magnitude (V) 9.03 | |
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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. It is about 19,000 light-years away, near the Milky Way's central bulge.
References
NGC 6304 Wikipedia(Text) CC BY-SA