NGC 6507 (also OCL 32) is a magnitude +9.6 open star cluster located 4,000 light-years away in the constellation Sagittarius.
The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road, Slough, on the 27th June 1786.
Right Ascension 17h 59m 50.0s, Declination -17° 27' 00"