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.