Special Notice #224: Possible outburst of SDSS_J160501.35+203056.9

November 21, 2010: Hitoshki Yamaoka reports in VSNET-ALERT 12411 of the observation by Itagaki of SDSS J160501.35+203056.9, a suspected cataclysmic variable.  In quiescence, it is about mag20.  Itagaki-san's observation on 2010-11-21 was 12.0 unfiltered.  If confirmed, this would yield an outburst magnitude of 8 magnitudes, and would place it in the realm of the WZ Sge class, rare stars in the cataclysmic category that have superoutburst cycles of decades.  The spectra in Szkody, et al.