SN 2017jdn (A.R. 10 23 45.51 Dec. +53 06 20.5), discovered on December 24th, 2017 in the galaxy UGC5615 (offset 4W - 3S), discovery magnitude 17.8, type: IIb (ATEL 11104) - SN discovered by F. Ciabattari, E. Mazzoni, G. Petroni with the 20" telescope Monte Agliale Observatory (Lucca-Italy).
