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1. The visual observations of artificial satellites 1957α1,α2, 1957β and 1958δ1,δ2

Type:
model:article and TEXT
Subject:
astronomy, visual observations, and artificial satellites
Language:
Czech
Description:
The visual observations of the soviet artificial satellites made in ČSR or by czechoslovak observers during the IGY (to the end of 1958) are collected. AU these data were sent to the IGY regional centre at Moscow. The list of the observing stations is added, too. and Edited by V. Guth and L. Sehnal
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

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