NGC 6099 (also MCG 3-41-146, UGC 10299 and PGC 57640) is a magnitude +14.2 elliptical galaxy located 411 million light-years away in the constellation Hercules.
The galaxy was discovered by American astronomer Truman Henry Safford using a 46.99 cm (18.5 inch) refractor at the Dearborn Observatory on the 24th April 1867.
Right Ascension 16h 15m 35.5s, Declination +19° 27' 14"
