Object: Open cluster BERK 58 Constell: CAS RA: 00h 00.2m Decl: +60° 58' Epoch: 2000 Mag: 9.7m Size: 8' Type: IV 2 p Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 22./23.8.1996, 01.35 Telescope: N 205/1000 Magn: 80x Filter: Field: 37' NE Lim.mag: 6.2m Background sky: 2 Seeing: 2-3 Weather: +11 °C, no Moon. Brightness: 4 Alt: 75° Description: 40x: A mottled glow, V-5. 80x: The glow is very faint but individual stars are slightly better visible. Diam 9', round. Diam of glow is 6'. Stars mag. 12... The glow is slightly brighter on the SE side. The field is very rich.