Abstract. During the last several years the author developed an electro-photometric system for synchronous high speed photometry. The system allows synchronous observations from several distant observational points connected in a network. Time synchronization is achieved using the Global Positioning System (GPS). Real-time monitoring of the observational data received in the distant points of the network is possible through the Internet. For the time being the system works at three observatories: Crimean Astrophysical Observatory in Ukraine on AZT-11, 1.25 m telescope, National Astronomical Observatory - Rozhen on Zeiss 2 m telescope and Astronomical Observatory Belogradchik on Zeiss 60 cm telescope, both in Bulgaria.

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