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A. Boattini, G. D'Abramo, G. Valsecchi (Istituto di Astrofisica Spaziale, CNR, Italy)
One of the most useful services of the Spaceguard Central Node is the coordination of follow-up observations of Near-Earth Objects. Two features have been created: the Priority List is going to focus mainly on the newly discovered objects to ensure that they could be recovered at future apparitions; the Opportunities will cover a wider range of needs, recovery opportunities at future apparitions, follow-up of very faint targets, observing campaigns for virtual impactors ground-based support to spece missions, opportunities for radar observations. In both cases there will be a close interactions with observers in order to reduce as much as possible the duplication of observations as well as the duplication of other valuable services.