Globular Cluster NGC 6304
History
This globular cluster was discovered by William Herschel on 30 April 1786. He classified it as bright nebula I 147 and noted: «Very bright, round gradually much brighter in the middle, 2.5' diameter.» [464]
Physical Properties
| Designation | NGC 6304 |
| Type | GCL (VI) |
| Right Ascension (J2000.0) | 17h 14m 32.5s |
| Declination (J2000.0) | -29° 27' 42" |
| Diameter | 8 arcmin |
| Visual magnitude | 8.3 mag |
| Metric Distance | 5.900 kpc |
| Dreyer Description | globular, B, cL, R, lbM, rrr, st 16 |
| Identification, Remarks | WH I 147; h 3670; GC 4275; GCL 56; ESO 454-SC2 |
Finder Chart
The globular cluster NGC 6304 is located in the constellation Ophiuchus. It is on 9 June in opposition to the Sun. From Switzerland it can best be seen in the months March to August.
