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Measurement of Double Stars with a CCD Camera：Two Methods。
A set of 71 measurements of double and multiple stars, carried
out with the Large Zeiss Refractor 65/1055 cm of the Belgrade Observatory, is
communicated. The bulk of these measurements, 41 in all, ...
In this paper are presented recalculated elliptical and Thiel-Innes
orbitatal elements for the followingdouble stars:WDS05255-0033,WDS12272+2701,
WDS 13336+2944 and WDS 21031+0132 (two versions). Th...
In this paper are presented recalculated elliptical and Thiel-Innes
orbitatal elements for the followingdouble stars:WDS05255-0033,WDS12272+2701,
WDS 13336+2944 and WDS 21031+0132 (two versions). Th...