NGC 603 is a grouping of three stars located in the constellation Triangulum.
The asterism was discovered by William Parsons, 3rd Earl of Rosse, using a 182.88 cm (72 inch) speculum reflector at Birr Castle on the 16th November 1850.
Right Ascension 01h 34m 44.2s, Declination +30° 13' 57"
