The Green Catalogue of Supernova Remnants is a summary listing and a detailed listing of supernova remnants (SNR) within the Milky Way Galaxy. The catalogue was created in 1984 by D A Green of the Astrophysics Group, Cavendish Laboratory, University of Cambridge. The latest update is the May 2014 version. As of 2014 there are 294 SNRs described.
References
Green Catalogue of Supernova Remnants Wikipedia(Text) CC BY-SA