[vsnet-ecl 7619] YY Eri observations by K.Nagai (20/Aug/2020)

[K.Nagai]

object         YYMMDD(UT)        mag    code
ERIYY        20200820.77686    7.592Ic  Nga.VSOLJ
ERIYY        20200820.77904    7.610Ic  Nga.VSOLJ
ERIYY        20200820.78120    7.616Ic  Nga.VSOLJ
ERIYY        20200820.78336    7.623Ic  Nga.VSOLJ
ERIYY        20200820.78552    7.628Ic  Nga.VSOLJ
ERIYY        20200820.78769    7.665Ic  Nga.VSOLJ
ERIYY        20200820.78985    7.670Ic  Nga.VSOLJ
ERIYY        20200820.79200    7.697Ic  Nga.VSOLJ
ERIYY        20200820.79634    7.768Ic  Nga.VSOLJ
ERIYY        20200820.79851    7.787Ic  Nga.VSOLJ
ERIYY        20200820.80067    7.825Ic  Nga.VSOLJ
ERIYY        20200820.80282    7.845Ic  Nga.VSOLJ
ERIYY        20200820.80498    7.884Ic  Nga.VSOLJ
ERIYY        20200820.80714    7.933Ic  Nga.VSOLJ
ERIYY        20200820.80929    8.028Ic  Nga.VSOLJ
ERIYY        20200820.81146    7.996Ic  Nga.VSOLJ
---------------------------------------------------------------------
observer: K.Nagai (Kanagawa,Japan)
Instruments: 15L(F4) ATIK-490EX(ICX814), -10deg, U 5x5 60sec, B 4x4 45sec V 2x2 Ic 3x3 30sec
comp. star TYC2-5315.565.1 8.80U 8.74B 8.44V 8.14I
check star TYC2-5315.686.1
AIP4Win v.2.4.0, Aperture U,B,Ic 6radius V 9radius
error 0.012
------------------------------------------------------------


              - 20/Aug/2020 YY Eri (By K.Nagai) -
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   18                          19                          20 (UT)

Kazuo Nagai / PXS10547 at nifty.ne.jp ( http://eclipsingbinary.web.fc2.com/ )