Comet C/2006 x1 (linear)
L Tesi, Andrea Boattini,G Fagioli,Mariana Mazzucato,F Dolfi,Maura Tombelli, G Forti, Stefan Gajdos, Mark M Casali, W Marinello,Mario Micheli, G Pizzetti, A Soffiantini, L Buzzi, F Luppi, R Naves, M Campas, M Tichy, J Ticha, Ken Ichi Kadota, J Y Young, B G Marsden mag（2007）
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