See also: Observation 2.
Object: Open cluster NGC 6910                   Constell: CYG

RA: 20h 23.1m           Decl: +40° 47'          Epoch: 2000
Mag: 7.4m               Size: 8'                Type: I 2 p n

Observer: Jere Kahanpää
Obs. place: Hartola, Finland
Date/Time: 16./17.8.1997, 00.15

Telescope: N 205/1000
Magn: 133x              Filter: -
Field: 22'              NE Lim.mag: 5.0m
Background sky: 5       Seeing: 4
Weather: +7 °C, full Moon low S. Moderately bright NLC's N. 

Brightness: 2           Alt: 70°
Description: A compact but unconcentrated group of about 20
stars. Includes two clearly brighter (mag. 9) stars. Most
fainter stars are  between the bright ones. The moderately
bright group members are mostly in a chain of stars connecting
the brightest ones. The following bright star is clearly yellow
while the rest are bluish-white.