Object: Planetary nebula K 2-1 (PK173-5.1)      Constell: AUR

RA: 5h 07.1m            Decl: +30° 50'          Epoch: 2000
Mag: 12m                Size: 132''             Type: 

Observer: Jere Kahanpää
Obs. place: Hartola, Korvenpohja
Date/Time: 30./31.12.1996, 20.45

Telescope: N 205/1000
Magn: 80x               Filter: O-III
Field: 37'              NE Lim.mag: 6.4m
Background sky: 2       Seeing: 3 
Weather: -20 °C, no Moon.          

Brightness: 5           Alt: 50°
Description: A faint diffuse glow, but for a few moments extreme
averted vision revealed a better defined round disk with maybe
slightly brighter edges. Diam about 100''. In a rich field.
Stars added without the filter.