R. Hudec (1), P. Spurny (1), J. Florian (1), J. Bocek (1), M. Tichy (2), J. Ticha (2), L. Vyskocil (3) W. Wenzel (4), S. Barthelmy (5), T. Cline (5), N. Gehrels (5), G. Fishmann (6), C. Kouveliotou (6), C. Meegan (6), A. Mutafov (7), F. Hovorka (8)

(1) Astronomical Institute, Czech Academy of Sciences, CZ-251 65 Ondrejov, Czech Republic
(2) Klet' Observatory, Zatkovo nabrezi 4, CZ-370 01 Ceske Budejovice, Czech Republic
(3) Upice Observatory, CZ-54232 Upice, Czech Republic
(4) Sternwarte Sonneberg, D-96515 Sonneberg, Germany
(5) NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
(6) NASA Marshall Space Flight Center, Huntsville, AL 35812, USA
(7) Astronomical Observatory, P.O.Box 36, BG-1504 Sofia, Bulgaria
(8) Observatory, Zamecek 456, CZ-500 08 Hradec Kralove, Czech Republic

Abstract. We present and discuss first preliminary results obtained with the European Observation Network consisting of 9 observatories in the Czech Republic, Germany and Bulgaria. We also discuss related problems such as the background of unknown variable stars and suggest a strategy for works in this area.

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