Object: Open cl. NGC 6939, Galaxy NGC 6946     Constell: CEP/CYG

RA: 20h 31.4m (-39)     Decl: +60° 38'          Epoch: 2000
Mag: 7.8m/8.8m (v)      Size: 7'/ 11.6'x9.9'    Type: II 1 r
Observer: Jere Kahanpää
Obs. place: Jyväskylä, Finland
Date/Time: 16./17.9.1993, 00.15

Telescope: N 205/1000
Magn: 40x               Filter:
Field: 83'              NE Lim.mag: 5.5m
Background sky: 3       Seeing: 3 
Weather: Cold but very good.       

Brightness: 3, 4        Alt: 65°
Description: An interesting field. Two physically very different
but similar-looking objects within 1°

NGC 6939: Easy but not well resolved: About half a dozen mag. 11
stars and a grainy glow. Diam. 7'. Round.

NGC 6946: Brigtness and shape as NCG 6939. Fainter than it's
neighbour. Slightly concentrated. A triangle of 3 stars is
visible on the ESE edge.