In a new PhD thesis on supernovae at the Department of Astronomy, data from the AlbaNova telescope is used. This 1 m telescope is run by the department and is mounted in the dome at AlbaNova (Roslagstull, Stockholm). It has been used by Mattias Ergon in his thesis work on supernova 2011dh. The title of the thesis is SN 2011dh and the progenitors of Type IIb supernovae and it will be defended on 27 May 2015.