[vsnet-alert 16417] New CV in Cassiopeia MASTER OT J004527.52+503213.8 (12.5m)!

[Denis Denisenko]

Bright SU UMa / WZ Sge candidate discovered by MASTER-Amur, see ATel
#5399 <http://www.astronomerstelegram.org/?read=5399>

MASTER OT J004527.52+503213.8
  20130917.668  12.53C  MASTER-Amur
  20130917.670  12.50C  MASTER-Amur
  20130917.688  12.59C  MASTER-Amur
  20130917.690  12.65C  MASTER-Amur

Outburst amplitude is 7m, if we believe in USNO-B1.0 magnitudes, and
6m (if USNO-A2.0 values are true):
USNO-B1.0 1405-0020846 00 45 27.508 +50 32 15.56  pmRA=0  pmDE=0
B1=18.64 R1=19.27 B2=19.69 R2=19.95 I=19.30
USNO-A2.0 1350-00774528 00 45 27.52 +50 32 15.5  R=18.4  B=18.1

Color-combined DSS finder chart (10'x10' FOV):
http://master.sai.msu.ru/static/OT/J004527+503213-BRIR.jpg
MASTER-Amur discovery and reference images:
http://master.sai.msu.ru/static/OT/004527.52503213.8.png

This is the brightest northern CV discovered by MASTER-II robotic
telescopes (the one at 12.1m in Lupus was found with MASTER-WFC in
Argentina). Time-resolved photometry is strongly encouraged!

Denis Denisenko
Member of MASTER team at SAI MSU

P.S. We were actually searching for the parent body of September
Perseids which should be hiding in the Northern Milky Way now. ;-) No
comet yet, but still a nice catch!