AT2017gwv in PGC 2173099 (at R.A. = 06h55m50s.64, Decl. = +40°55'51".3) discovered on 2017 September, 23rd by Massimo Caimmi on behalf of Italian Supernovae Search Project (ISSP), using the SC 0,24 mt. telescope of the Valdicerro Observatory (C92) - Loreto (AN) - Italy. The new object was detected at Mag 18.7, Type Unk (see TNS), and it is located 2".9 west and 1".5 south of the center of PGC 2173099.
