Object: Open cluster MESSIER 23                 Constell: SGR

RA: 17h 56.9m           Decl: -19° 01'          Epoch: 2000
Mag: 5.5m               Size: 27'               Type: II 2 r

Observer: Jere Kahanpä
Obs. place: Öland, Sweden
Date/Time: 6./7.8.1992, 01.00

Telescope: N 205/1000
Magn: 63x               Filter:
Field: 60'              NE Lim.mag: 5.8m
Background sky: 2       Seeing: 3 
Weather:                           

Brightness: 3           Alt:    
Description: A very beautiful open cluster. Many stars of 11
magn.