NGC 6423 (also MCG 11-21-16 and PGC 60576) is a magnitude +14.7 compact galaxy located 333 million light-years away in the constellation Draco.
The galaxy was discovered by American astronomer Lewis A. Swift using a 40.6 cm (16 inch) Alvan Clark and Sons refractor at the Warner Observatory, East Avenue, Rochester, New York, on the 1st August 1883.
Right Ascension 17h 36m 53.2s, Declination +68° 10' 16"