Object: Double star ZETA LYR                    Constell: LYR

RA:                     Decl:                   Epoch: 
Mag: 4.2+5.5            Sep: 44''               Spect: A9, A3

Observer: Jere Kahanpää
Obs. place: Hartola, Finland
Date/Time: 16./17.7.1992, 00.50

Telescope: N 205/1000
Magn: 133x              Filter:
Field: 22'              NE Lim.mag: 4.0m
Background sky: 6       Seeing: 3 
Weather: Summertime, background sky very bright

Brightness:             Alt: 70°
Description: Colors A=very pale yellow, B=whitish-blue