NGC 3927 is a non-existent object in the constellation Leo. The object was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 refractor at the Copenhagen Observatory on the 27th April 1864. Subsequent observations of the position show no observable astronomical object.
Right Ascension 11h 51m 32.2s, Declination +20° 08' 20"
