Nova in Galaxy M31 - AT2024ssq (A.R. 00 42 59.97 Dec. +41 00 24.4 - m.v. +17.1) discovered by Flavio Castellani, Vittorio Andreoli and Raffaele Belligoli with the 16" telescope of Monte Baldo Observatory on behalf of Italian Supernovae Search Project (ISSP) - Spectroscopic confirmation by Claudio Balcon - (TNS).