Object: Nonex-open cluster NGC 1790 Constell: AUR RA: 05h 11.3m Decl: +52° 04' Epoch: 2000 Mag: 9 (own) Size: 8' (own) Type: III 2 p (own) Observer: Jere Kahanpää Obs. place: Jyväskylä, Finland Date/Time: 2./3.2.1994, 19.15 Telescope: N 205/1000 Magn: 133x Filter: Field: 22' NE Lim.mag: 5.0m Background sky: 3-4 Seeing: 4-5 Weather: no Moon, but very cold and a lot of ice crystals in the air. Brightness: 3 Alt: 75° Description: About a dozen stars in an oblong (W-E) cluster. Br10.5m. Total mag. about 9, size 8', Tr-type III 2 p. The coordinates refers to the brightest star on the E edge. Orig. descr J. Herschel (1833): "A group of 8 or 9 stars 10m, nearly in parallelogram. A pretty object."