Royal Frost discovered IC 3137 = F. 858, along with IC 3138, on a plate taken on 7 May 1904 at Harvard's Arequipa Observatory in Peru. He described it accurately as a "streak extending 1' at 45°."

900/1200mm - 82" (5/5/19, McDonald Observatory): at 400x; low surface brightness, thin edge-on, 5:1 oriented SW-NE, ~40"x8". Forms a line-of-sight pair with IC 3138 1.5' SSW.

Notes by Steve Gottlieb