[vsnet-obs 70347] DSLR observations by Hsk (2010 Sep. 4 - 2011 Apr. 23)

[Hiroyuki Maehara]

DSLR magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag      code
CYGCH          20100904.451   9.47cG   Ymo.VSOLJ
CYGCH          20100910.440   9.63cG   Ymo.VSOLJ
CYGCH          20101010.409   10.02cG  Ymo.VSOLJ
CYGCH          20110212.838   9.57cG   Ymo.VSOLJ
CYGCH          20110225.837   9.70cG   Ymo.VSOLJ
CYGCH          20110302.844   9.52cG   Ymo.VSOLJ
CYGCH          20110311.792   9.56cG   Ymo.VSOLJ
CYGCH          20110312.828   9.99cG   Ymo.VSOLJ
CYGCH          20110317.792   9.77cG   Ymo.VSOLJ
CYGCH          20110326.822   9.73cG   Ymo.VSOLJ
CYGCH          20110328.813   9.89cG   Ymo.VSOLJ
CYGCH          20110331.805   9.88cG   Ymo.VSOLJ
CYGCH          20110401.803   9.77cG   Ymo.VSOLJ
CYGCH          20110409.801   10.36cG  Ymo.VSOLJ
CYGCH          20110412.792   9.81cG   Ymo.VSOLJ
CYGCH          20110423.758   9.82cG   Ymo.VSOLJ

Observer: M. Yamamoto (Aichi, Japan)
Instruments: f=50mm lens (F/2.8) + Canon EOS
(measured from G-channel images; magnitude references: Tycho V mag)