This object underwent a superoutburst in 2009 November. http://adsabs.harvard.edu/abs/2010PASJ...62.1525K http://adsabs.harvard.edu/abs/2011arXiv1104.0107S === (from BAAVSS alert) SDSS J012940.05+384210.4 Aug 20.929 16.0C This is an AM CVn system http://arxiv.org/abs/1104.0107 Jeremy ShearsCheshire, UK