Object: Open cluster NGC 1817 Constell: TAU RA: 05h 12.1m Decl: +16° 42' Epoch: 2000 Mag: 7.7m Size: 16' Type: III 1 m Observer: Jere Kahanpää Obs. place: Jyväskylä, Finland Date/Time: 21./22.12.1992, 23.30 Telescope: N 205/1000 Magn: 63x Filter: Field: 60' NE Lim.mag: 5.5m Background sky: 2 Seeing: 1 Weather: Brightness: 3 Alt: Description: Only a few bright (10m) stars and many fainter one s (12....). Brightest stars on the SW edge. Near the brighter but poor cluster NGC 1807 (some stars visible on the W edge).