V884 Her: a polar [Observed: 11, 19 Feb, 6, 12 Mar, 6 Apr, 27 May 2015]
The linear polarization of this cataclysmic polar is detected,
and the orbital minima are found to be way off from the 1993 ephemeris.
V404 Cyg polarization [Observed: 26, 28 June 2015 ]
Time series, through polarization filters, of the binary system
with a black hole V404 Cyg, during its June 2015 outburst, are presented.
VV Pup the polar [Observed: 25, 31 Jan, 1 Feb 2006]
Light curves for this cataclysmic polar are presented.