Object: Globular cluster MESSIER 10 Constell: OPH RA: 16h 57.1m Decl: -04° 06' Epoch: 2000 Mag: 6.6m Size: 15.1' Type: 7 Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 25./26.4.1992, 01.20 Telescope: N 205/1000 Magn: 133x Filter: Field: 22' NE Lim.mag: 5.8m Background sky: 3 Seeing: 3 Weather: Brightness: 2 Alt: Description: At 63x this globular cluster has a bright center and the core is strongly mottled. 133x: Looks much less concentrated than at 63x. About 100 stars resolved but individual stars very faint. No bright stars in field.