Nova in the Andromeda Galaxy M31 2017-12a - AT2017jdm (A.R. 00 43 29.46 Dec. +41 17 13.7 - m.v. +16.8, type EGV) discovered by Flavio Castellani with the 16" telescope of Monte Baldo Observatory on behalf of Italian Supernovae Search Project (ISSP) - see ATEL 11088.
Image by Andrea Mantero (Bernezzo Observatory)