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RESEARCH PRODUCT

Leonid fluxes: 1994-1998 activity patterns

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Abstract-The Leonid meteor shower was observed worldwide in 1998 November in an intensive campaign without precedent. During this international effort -35 500 meteors were reported by members and collaborators of the International Meteor Organization (IMO) using a standard methodology. Despite the absence of a meteor storm in 1998, the rich observational data allow us to obtain a detailed unprecedented knowledge of the stream structure between 1994 and 1998. INTRODUCTION We present here the results from long-term visual monitoring by members and collaborators of the International Meteor Organization (IMO) and photographic and charge-coupled device (CCD) monitoring research obtained by members of the Spanish Photographic Meteor Network (SPMN) between 1994 and 1998. Our network is dedicated to study interplanetary matter under the auspices of three universities (University Jaume I, University of Valencia and University of Barcelona) and one space institute (IEEC, the Catalonian Institute for Space Studies). The international cooperation in IMO allows us to organise meteor work on