Object:  Open cluster BIURAKAN 1                Constell: CYG

RA: 20h 07.5m           Decl: +35° 41'          Epoch: 2000
Mag: -(about 7m)        Size: 14'               Type: IV 3 p n

Observer: Jere Kahanpää
Obs. place: Jyväskylä, Finland
Date/Time: 26./27.10.1993, 23.25

Telescope: N 205/1000
Magn: 63x               Filter:
Field: 60'              NE Lim.mag: <4.8m
Background sky: 5       Seeing: 1-2
Weather: 3/4 Moon high S. The sky is very bright.

Brightness: 2           Alt: 35°
Description: A easy cluster, almost to be classified as
beautiful. Better than nearby NGC 6871 in this weather. A
yellowish 7th mag. star surrounded by a loose ring of 10-12m
stars. Total membership about 30. Only a few stars are visible
within 5' of the brightest star. The stars on the W edge of the
field belong to NGC 6871. Est. size 17'.