Object: Globular cluster MESSIER 13             Constell: HER

RA: 16h 41.7m           Decl: +36° 28'          Epoch: 2000
Mag: 5.8m (v)           Size: 16.6'             Type: 5

Observer: Jere Kahanpää
Obs. place: Jyväskylä, Finland
Date/Time: 22./23.8.1991, 00.05

Telescope: N 205/1000
Magn: 133x              Filter:
Field: 22'              NE Lim.mag: 5.0m
Background sky: 4       Seeing: 4 
Weather:                           

Brightness: 3           Alt:    
Description: A bright globular cluster. Several hundred stars
resolved with averted vision. Less concentrated than M92.
Visible in the 6x30 finderscope as a small glow.