28/04/1990
Observer: G. Mengoli
Location: Montovolo (BO) 940 s.l.m.
Date: April 28, 1990 01:45 U.T. - exp. 25'
Schmidt 15 cm. - pellicola Typon FRS iper.
01/05/1990
Observer: G. Mengoli
Location: Monte Venere (BO)
Date: May 01, 1990 02:18 U.T. - exp. 23'
Schmidt 15 cm. - pellicola Kodak TP 4415 iper.
03/05/1990
Observer: Bolognesi
Location: Monte Guadagnolo (RM)
Date: May 03, 1990 01:48 U.T.
Scotch 800/3200
27/05/1990
Observer: Alessandro Dimai
Location: Col Druscič obs., Cortina d'Ampezzo - Italy
Date: May 27, 1990 22:12 U.T. - exp. 17'
Newton 50 cm f/5 - Kodak TP 6415 ip
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