NGC 3787 (also MCG 4-28-15 and PGC 36154) is a magnitude +13.7 spiral galaxy located 321 million light-years away in the constellation Leo.
The galaxy was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 Merz-Refractor at the Copenhagen Observatory on the 10 May 1864.
Right Ascension 11h 39m 38.1s, Declination +20° 27' 18"
