[vsnet-ecl 7448] KQ Lib observations by K.Nagai (21/Apr/2020)

[K.Nagai]

object         YYMMDD(UT)        mag    code
LIBKQ        20200421.51171    11.642U  Nga.VSOLJ
LIBKQ        20200421.51821    11.459U  Nga.VSOLJ
LIBKQ        20200421.52253    11.842U  Nga.VSOLJ
LIBKQ        20200421.52470    11.394U  Nga.VSOLJ
LIBKQ        20200421.52686    11.821U  Nga.VSOLJ
LIBKQ        20200421.52903    11.656U  Nga.VSOLJ
LIBKQ        20200421.53336    11.582U  Nga.VSOLJ
LIBKQ        20200421.53551    11.654U  Nga.VSOLJ
LIBKQ        20200421.53767    11.476U  Nga.VSOLJ
LIBKQ        20200421.53984    11.647U  Nga.VSOLJ
LIBKQ        20200421.51021    11.945B  Nga.VSOLJ
LIBKQ        20200421.51237    11.877B  Nga.VSOLJ
LIBKQ        20200421.51454    11.703B  Nga.VSOLJ
LIBKQ        20200421.51670    11.920B  Nga.VSOLJ
LIBKQ        20200421.51885    11.672B  Nga.VSOLJ
LIBKQ        20200421.52102    11.869B  Nga.VSOLJ
LIBKQ        20200421.52319    11.671B  Nga.VSOLJ
LIBKQ        20200421.52535    11.728B  Nga.VSOLJ
LIBKQ        20200421.52751    11.910B  Nga.VSOLJ
LIBKQ        20200421.52968    11.660B  Nga.VSOLJ
LIBKQ        20200421.53184    11.905B  Nga.VSOLJ
LIBKQ        20200421.53400    11.797B  Nga.VSOLJ
LIBKQ        20200421.53616    11.799B  Nga.VSOLJ
LIBKQ        20200421.53832    11.891B  Nga.VSOLJ
LIBKQ        20200421.54049    11.894B  Nga.VSOLJ
LIBKQ        20200421.51068    11.537V  Nga.VSOLJ
LIBKQ        20200421.51284    11.496V  Nga.VSOLJ
LIBKQ        20200421.51501    11.537V  Nga.VSOLJ
LIBKQ        20200421.51716    11.451V  Nga.VSOLJ
LIBKQ        20200421.51933    11.511V  Nga.VSOLJ
LIBKQ        20200421.52149    11.514V  Nga.VSOLJ
LIBKQ        20200421.52366    11.467V  Nga.VSOLJ
LIBKQ        20200421.52582    11.488V  Nga.VSOLJ
LIBKQ        20200421.52799    11.425V  Nga.VSOLJ
LIBKQ        20200421.53015    11.455V  Nga.VSOLJ
LIBKQ        20200421.53231    11.536V  Nga.VSOLJ
LIBKQ        20200421.53447    11.471V  Nga.VSOLJ
LIBKQ        20200421.53663    11.479V  Nga.VSOLJ
LIBKQ        20200421.53880    11.424V  Nga.VSOLJ
LIBKQ        20200421.54096    11.517V  Nga.VSOLJ
LIBKQ        20200421.51111    11.045Ic  Nga.VSOLJ
LIBKQ        20200421.51328    11.069Ic  Nga.VSOLJ
LIBKQ        20200421.51544    11.074Ic  Nga.VSOLJ
LIBKQ        20200421.51759    11.101Ic  Nga.VSOLJ
LIBKQ        20200421.52192    11.064Ic  Nga.VSOLJ
LIBKQ        20200421.52409    11.078Ic  Nga.VSOLJ
LIBKQ        20200421.52625    11.094Ic  Nga.VSOLJ
LIBKQ        20200421.53274    11.094Ic  Nga.VSOLJ
LIBKQ        20200421.53490    11.017Ic  Nga.VSOLJ
LIBKQ        20200421.53922    11.032Ic  Nga.VSOLJ
LIBKQ        20200421.54139    11.076Ic  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 TYC2-5582.532.1 11.50U 11.45B 10.88V 10.31I
check star TYC2-5582.574.1
AIP4Win v.2.4.0, Aperture U,B,Ic 7radius V 10radius
error 0.126(U) 0.053(B) 0.024(V) 0.021(I)
------------------------------------------------------------

I observed phase 0.3 in the following element.
min=2452500.1373+0.69551909xE (http://www.as.up.krakow.pl/ephem/ephem.txt)
For this element, the O-C is about -0.2.


              - 21/Apr/2020 KQ Lib (By K.Nagai) -
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12 +                                                         
    +-------------------------------------------------------+
   12                                                      13 (UT)

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