Object: Open cluster STOCK 17                   Constell: CAS

RA: 23h 46.0m           Decl: +62° 10'          Epoch: 2000
Mag:                    Size: 1'                Type: (IV 2 p)

Observer: Jere Kahanpää
Obs. place: Helsinki, Finland
Date/Time: 5./6.10.1996, 22.30

Telescope: C 200/2000
Magn: 160x              Filter:
Field: 19'              NE Lim.mag: 5.5m
Background sky: 3       Seeing: 2 
Weather: +6 °C, no Moon. Corrector lens severely dewed.

Brightness: 5           Alt: 85°
Description: A questionable case. A mag. 12 pair surrounded a
few extremely faint stars - no more than half a dozen together.
Diam. 1'-2'. As noted the telescope was in a pitiful condition.