Object: Open cluster CR 421                     Constell: CYG

RA: 20h 23.3m           Decl: +41° 42'          Epoch: 2000
Mag: 10.1m              Size: 6'                Type: III 1 p n

Observer: Jere Kahanpää
Obs. place: Hartola, Finland
Date/Time: 17./18.8.1996, 01.26

Telescope: N 205/1000
Magn: 133x              Filter:
Field: 22'              NE Lim.mag: 5.7m
Background sky: 2       Seeing: 3-4
Weather: +12 °C, no Moon. Very humid.

Brightness: 2(-3)       Alt: 65°
Description: Easy. 40x shows a kite-shaped quartet and a score
fainter stars. 133x: A beautiful cluster. 4 somewhat brighter
stars (10-11m) in the quartet. Another group (a bit fainter than
the quartet) of bright stars is 4' SW of the first. It includes 7
brighter stars. The other stars (to a total of 25) are
distributes quite evenly around the subgroups. Est. Tr-type II 1