2016-07-01 22:20:41 UT 11.6V outburst, Nikolay Mishevskiy (Ananjev L33, Ukraine)
This is probably nothing special, Nikolay. In recent years AAVSO observers reported magnitudes (mostly visual) between 11.6 and 12.4:
VV Ser is a UX Ori-type variable:
When you notice a sudden fading(!) of such a star please report it here.
I point this star visualy during this night and my estimation was 11.9, (posted). Anyway I like this kind of chalenge, such "confirmation or not", so thank you to point out this star for us..