According to Jeremy Shears (via BAAVSS alert), the SU UMa-type dwarf nova SDSS J165359.06+201010.4 is undergoing an outburst. The object underwent an outburst in 2010 Apr. YYYYMMDD(UT) mag observer 20100917.978 154C (Jeremy Shears) (previous) 20101027.860 152C (Jeremy Shears)