La Terra come osservatorio astronomico: la correzione al raggio solare medio nell'eclissi anulare del 22 settembre 2006 [PDF]
Costantino SigismondiThe observation of a central eclipse from the umbral band and, even better, from its edge allows to measure the solar diameter with an accuracy up to a part over 100000. The data of the annular eclipse of 22 september 2006 observed from Kourou, French Guyane and their calibration are presented.View original: http://arxiv.org/abs/1211.2727
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