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The aim of this paper is to contribute to the characterization of the general properties of the Long Period Comets (LPCs) family, and in particular to report on the dust environment of comet C/2009 P1 (Garradd).The comet was observed at two epochs pre-perihelion, at ~6AU and at ~2.5AU: broad-band images have been used to investigate its coma morphology and properties and to model the dust production...
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