MASTER OT J212624.16+253827.2: positive Pdot
We have received further observations from Pavol A. Dubovsky
and Sergey Shugarov. The data now show a positive Pdot of
+26(3)*10^(-5). Such a large positive Pdot is very rare in
a long Psh object. The mean Psh of the stage B superhumps
is 0.09129(7) d.