[vsnet-alert 14773] V542 Cyg outburst

[Seiichi Yoshida]

Dear colleagues,

We detected that a dwarf nova V542 Cyg is in outburst at 14.5 mag on
July 17.66(UT) from Youichirou Nakashima's survey images with Canon
500-mm f/4.5 camera lens + SBIG ST-8 in the course of the MISAO
Project.

CYGV542 20120717.65522 145C Mis
CYGV542 20120717.65657 145C Mis
CYGV542 20120717.65794 145C Mis
CYGV542 20120717.65792 146C Mis
CYGV542 20120717.65928 146C Mis

It was faint at around 17.5 mag on May 27, June 9 and July 7.

CYGV542 20120527.75821 <164C Mis
CYGV542 20120527.75957 <161C Mis
CYGV542 20120527.76093 173C Mis
CYGV542 20120609.67892 <166C Mis
CYGV542 20120609.68028 <165C Mis
CYGV542 20120707.66228 <170C Mis
CYGV542 20120707.66363 177C Mis
CYGV542 20120707.66499 <169C Mis

Best regards,

--
Seiichi Yoshida
comet at aerith.net
http://www.aerith.net/