Optical observations of satellites made at the Willowbrae and the Walthamstow stations during May 1974 were recorded with a stopwatch and are listed in satellite launch order and in time order for each satellite. A total of 451 fully reduced observations of 120 satellites are tabulated. (Author)
Stopwatch Observations of Satellites, May 1974
1974
21 pages
Report
No indication
English
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