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On the systematic errors of the determinations of the absolute orientation of the meridian marks |
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| Authors: | G M Petrov |
| Institution: | (1) Nikolaev Branch of the Central, Astronomical Observatory at Pulkovo, 327030 Nikolaev, U S S R |
| Abstract: | The classical method of determination of the absolute azimuth (or Bessel's parameter  n ) can secure sufficiently precision for RA from observations of stars at high geographical latitudes during polar night only. |
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