Object: Open cluster DO 2 Constell: CYG RA: 20h 09.9m Decl: +41° 22' Epoch: 2000 Mag: Size: 10' Type: IV 2 p n Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 17./18.8.1996, 00.10 Telescope: N 205/1000 Magn: 133x Filter: Field: 22' NE Lim.mag: 5.5m Background sky: 3 Seeing: 3 Weather: +12 °C, no Moon. Very humid. Brightness: 2 Alt: 70° Description: 15-20 stars on the E side of a mag. 10 star. 2 obvious chains of stars: the first one starts from the bright star, runs east and turns southwards. The second one includes a bit fainter stars and follows the first at a distance of 2'-3' towards N-E. Catalogue size and Tr-type OK.