Object: Nonex-open cluster NGC 6839             Constell: SGE

RA: 19h 54.5m           Decl: +17° 54'          Epoch: 2000
Mag:  11m (own)         Size: 2' (own)          Type: IV 2 p
                                                      (own)    
Observer: Jere Kahanpää
Obs. place: Hartola, Finland
Date/Time: 18./19.8.1996, 00.05

Telescope: N 205/1000
Magn: 133x              Filter:
Field: 22'              NE Lim.mag: 5.5m
Background sky: 3       Seeing: 4 
Weather: +14 °C, no Moon. Thin mist.

Brightness: 3           Alt: 45°
Description: Two brightest stars in field are plotted in U2000.0
There is a small group of 8 stars mag. 12...14 about 3' SE of
the following of the bright stars. Diameter about 2' and
magnitude 11m. Agrees quite well with W.H.'s descriptions and
J.H.'s note. Position from Megastar marked with a 'x' in the
drawing.

W. Herschel: "A vS Cl. of com. st."
J. Herschel: "A quantity of MW stars, immensely close, one small
patch of witch may be the cluster VI.16"