Object: Open cluster NGC 2158 Constell: GEM RA: 06h 07.5m Decl: +24° 06' Epoch: 2000 Mag: 8.6m Size: 5' Type: II 3 r Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 30./31.12.1991, 23.45 Telescope: N 205/1000 Magn: 133x Filter: Field: 22' NE Lim.mag: 5.5m Background sky: 3 Seeing: 4 Weather: Brightness: 3 Alt: Description: A small open cluster. In the same field with Messier 35 at 63x. An oblong (W-E) glow, somewhat mottled. There is a prominent chain of stars on the W side.