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CCD MEASUREMENTS OF DOUBLE AND MULTIPLE STARS AT NAO ROZHEN. IV
binaries visual the Bulgarian National Astronomical Observatory
2010/10/29
Using the 2 m telescope of the Bulgarian National Astronomical Observatory at Rozhen observations of 30 double or multiple stars were carried out during two half nights on July 20 and 21, 2009. This i...
36 micrometric measurements of 20 double or multiple systems
carried out with the Zeiss 65/1055 cm Refractor of Belgrade Observatory are communicated.
Also 35 CCD measurements of 15 double or multip...
With the 2-m telescope of the Bulgarian National Astronomical
Observatory at Rozhen observations of fifteen multiple stars were carried out during
one night - October 17/18, 2004. In the paper we pr...
Using the 2-m telescope of the Bulgarian National Astronomical
Observatory at Rozhen observations of twenty multiple stars were carried out during
one whole night - October 30/31, and, also, during ...
Using the 2-m telescope of the Bulgarian National Astronomical
Observatory at Rozhen, observations of 55 multiple stars were carried out during
one night, December 16/17. 2006. This is the third ser...