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A : Cardinal Line
B : Test tower
E : 1.0 M telescope tower
G : 0.39 m Zenit tower
H : 0.7 m Schmidt telescope
I : Astrolab
J : 0.25 m Zenit tower
K : 0.4 m Väisälä-Schmidt telescope
L : 0.6 m RC telescope
M : 2 m Radio-telescope
N : GPS station
O : The Swiss solar polarimeter system
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H. A. Alikoski, Tähtitaivas No:36 1978, Turun URSA
Modified by P. Keinänen 1999
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