NGC 843 is a magnitude +12.7 group of three stars located in the constellation Triangulum.
The asterism was discovered by German astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 Merz-Refractor at the Copenhagen Observatory on the 16th September 1865.
Right Ascension 02h 11m 08.2s, Declination +32° 05' 54"
