L47 Alphonsus Dark Spots Dark-halo eruptions on crater floor, 119km 13-05-2008 Lunation 8.42 days, 68.3% illumination 180mm f15 Mak-Cass, Philips SPC900NC By Markarian|2017-01-31T10:52:47+00:0031 August 2009|Categories: L26-50|Comments Off on L47 Alphonsus Dark Spots Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditGoogle+TumblrPinterestVkEmail