[vsnet-ecl 4584] YY Eri observations by Tokai University Astronomical Club (18/Feb/2012)

[K.Nagai]

YY Eri observations by Tokai University Astronomical Club (18/Feb/2012)

object         YYMMDD(UT)        mag     obs.code
ERIYY          20120218.41119   8.317cG  Tkd.VSOLJ
ERIYY          20120218.43895   8.259cG  Tkd.VSOLJ
ERIYY          20120218.44101   8.257cG  Tkd.VSOLJ
ERIYY          20120218.46176   8.261cG  Tkd.VSOLJ
ERIYY          20120218.46869   8.348cG  Tkd.VSOLJ
ERIYY          20120218.47564   8.285cG  Tkd.VSOLJ
ERIYY          20120218.48258   8.352cG  Tkd.VSOLJ
ERIYY          20120218.49648   8.477cG  Tkd.VSOLJ
ERIYY          20120218.50341   8.598cG  Tkd.VSOLJ
ERIYY          20120218.51036   8.745cG  Tkd.VSOLJ
ERIYY          20120218.51730   8.915cG  Tkd.VSOLJ
ERIYY          20120218.52425   8.926cG  Tkd.VSOLJ
ERIYY          20120218.53119   9.021cG  Tkd.VSOLJ
ERIYY          20120218.53814   8.824cG  Tkd.VSOLJ
ERIYY          20120218.54508   8.687cG  Tkd.VSOLJ
ERIYY          20120218.55203   8.562cG  Tkd.VSOLJ
ERIYY          20120218.55897   8.520cG  Tkd.VSOLJ
ERIYY          20120218.56591   8.371cG  Tkd.VSOLJ

observer: Tokai University Astronomical Club (Kagawgawa, Japan)
instruments: CANON EOS KISS X3, f=135mm(F3.5)

measured from G-channel images
magnitude references: AAVSO chart

minI ERIYY 2455976.0264 0.0010 Hel Tkd.VSOLJ n=18 cG (calculated by Nagai)

YY Eri JD(hel)=2455976.0264 C=2455975.8816 E=44773 O-C=+0.1448

min=2441581.624+0.32149415xE (GCVS, Samus et al., Sep.2010)


    - 18/Feb/2012 TT Eri (By Tokai University Astronomical Club) -
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