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Volume 16 (2011)



Connection between flickering and mass outflow in the symbiotic binary star MWC560
R. K. Zamanov, T. Tomov, M. F. Bode, M. Mikolajewski, K. Stoyanov, V. Stanishev

Mass of the white dwarf in the symbiotic binary star MWC 560
Radoslav Zamanov, Andreja Gomboc, Georgi Latev

Flickering amplitude of MV Lyrae in different states
S. Boeva, R. Bachev, S. Tsvetkova, K. Stoyanov, R. Zamanov, B. Spassov, G. Latev, B. Petrov, Z. Donchev, D. Dimitrov, A. Valcheva, Ts. Georgiev

On the nature of the short-term variability of the cataclysmic binary star KR Aurigae
R. Bachev, S. Boeva, Ts. Georgiev, G. Latev, B. Spassov, K. Stoyanov, S. Tsvetkova

UBVRI photometric comparison stars around the cataclysmic variable V794 Aquilae
G.Y. Latev, S. Boeva, R. K. Zamanov, K. A. Stoyanov

Determination of the sunspot minimum epoch between the cycles No 23 and 24 and prediction of the cycle No 24 magnitude on the base of the "Waldmeier's Rule".
Boris Komitov, Peter Duchlev, Konstantin Stoychev, Momchil Dechev, Kostadinka Koleva

Model of the stellar visibility during twilight
R. O. Belokrylov, S. V. Belokrylov, M. G. Nickiforov

On the discovery of the saros
Michael G. Nickiforov

Gaia, Helios, Selene and Ouranos: the three principal celestial bodies and the sky in the ancient Greek cosmogony
E. Theodossiou, A. Dacanalis, M. S. Dimitrijevic, P. Mantarakis

Six calendar systems in the European history from 18th to 20th Century
Efstratios Theodossiou, Vassilios N. Manimanis, Milan S. Dimitrijevic

The pyramids of Greece: Ancient meridian observatories?
Efstratios Theodossiou,Vassilios N. Manimanis, Milan S. Dimitrijevic, Marco Katsiotis

A new CCD camera at the 60-cm telescope of the Belogradchik Astronomical Observatory
Anton Strigachev, Rumen Bachev