It looks like SU UMA is having a bright outburst (a super-outburst?). It's low on the horizon, so there aren't a lot of observations.
Links:
[1] http://www.aavso.org/lcg/plot?auid=000-BBP-267&starname=SU%20UMA&lastdays=500&start=&stop=2456213.778955984&obscode=&obscode_symbol=2&obstotals=yes&calendar=calendar&forcetics=&grid=on&visual=on&uband=on&bband=on&v=on&pointsize=1&width=800&height=450&mag1=&mag2=&mean=&vmean=
[2] http://www.aavso.org/forums/variable-star-observing/campaigns-observation-reports
