NGC 4631 and NGC 4657 are galaxies in Canes Venatici. We see NGC 4631 (bottom left) from the edge, whereas NGC 4656 and NGC 4657 are pair of interactic Galaxies (top right). This picture is a product of 2 nights on Bohor.

Object NGC 4631, NGC 4657, NGC 4656, some other galaxies Date and Location 6th and 8th June, 2008, Bohor, Slovenia Exposition 25 x 5 min Camera Canon 350D, Baader mod., ISO 800, RAW Optics Orion Optics Europa 20cm f/4.5 Mount Vixen GP-DX with SS2k Autoguiding SW 80/400 with QHY5 Processed in Iris, Ps SQM 21.22