Enrique de Miguel has sent a report of the confirmation of the shorter (0.94-0.95 hour) period. I should note the color u-g = -0.3, and g-r = -0.04 (very blue for a CV). Probably comparable to GP Com (u-g = -0.07). And this outburst may be a "long-awaited" outburst of a GP Com-type CV !?