[vsnet-ecl 7865] V391 Boo observations by K.Nagai (20/Jan/2021)

[K.Nagai]

object         YYMMDD(UT)        mag      code
BOOV391        20210120.72571    11.310B  Nga.VSOLJ
BOOV391        20210120.73206    11.400B  Nga.VSOLJ
BOOV391        20210120.73523    11.423B  Nga.VSOLJ
BOOV391        20210120.73840    11.441B  Nga.VSOLJ
BOOV391        20210120.74159    11.505B  Nga.VSOLJ
BOOV391        20210120.74476    11.555B  Nga.VSOLJ
BOOV391        20210120.76699    11.597B  Nga.VSOLJ
BOOV391        20210120.77334    11.519B  Nga.VSOLJ
BOOV391        20210120.77652    11.421B  Nga.VSOLJ
BOOV391        20210120.77970    11.414B  Nga.VSOLJ
BOOV391        20210120.78287    11.345B  Nga.VSOLJ
BOOV391        20210120.78605    11.336B  Nga.VSOLJ
BOOV391        20210120.78922    11.322B  Nga.VSOLJ
BOOV391        20210120.79558    11.273B  Nga.VSOLJ
BOOV391        20210120.79875    11.235B  Nga.VSOLJ
BOOV391        20210120.80193    11.247B  Nga.VSOLJ
BOOV391        20210120.80510    11.237B  Nga.VSOLJ
BOOV391        20210120.80829    11.212B  Nga.VSOLJ
BOOV391        20210120.81146    11.223B  Nga.VSOLJ
BOOV391        20210120.81463    11.199B  Nga.VSOLJ
BOOV391        20210120.81781    11.179B  Nga.VSOLJ
BOOV391        20210120.82098    11.186B  Nga.VSOLJ
BOOV391        20210120.72447    10.488V  Nga.VSOLJ
BOOV391        20210120.72764    10.516V  Nga.VSOLJ
BOOV391        20210120.73082    10.542V  Nga.VSOLJ
BOOV391        20210120.73399    10.596V  Nga.VSOLJ
BOOV391        20210120.73718    10.617V  Nga.VSOLJ
BOOV391        20210120.74035    10.646V  Nga.VSOLJ
BOOV391        20210120.74353    10.682V  Nga.VSOLJ
BOOV391        20210120.74670    10.701V  Nga.VSOLJ
BOOV391        20210120.76258    10.840V  Nga.VSOLJ
BOOV391        20210120.77211    10.696V  Nga.VSOLJ
BOOV391        20210120.77529    10.662V  Nga.VSOLJ
BOOV391        20210120.77846    10.618V  Nga.VSOLJ
BOOV391        20210120.78164    10.593V  Nga.VSOLJ
BOOV391        20210120.78481    10.525V  Nga.VSOLJ
BOOV391        20210120.78799    10.516V  Nga.VSOLJ
BOOV391        20210120.79117    10.496V  Nga.VSOLJ
BOOV391        20210120.79434    10.478V  Nga.VSOLJ
BOOV391        20210120.79752    10.449V  Nga.VSOLJ
BOOV391        20210120.80069    10.442V  Nga.VSOLJ
BOOV391        20210120.80387    10.447V  Nga.VSOLJ
BOOV391        20210120.80705    10.439V  Nga.VSOLJ
BOOV391        20210120.81022    10.421V  Nga.VSOLJ
BOOV391        20210120.81657    10.377V  Nga.VSOLJ
BOOV391        20210120.81975    10.358V  Nga.VSOLJ
BOOV391        20210120.72359    9.619Ic  Nga.VSOLJ
BOOV391        20210120.72676    9.648Ic  Nga.VSOLJ
BOOV391        20210120.72994    9.663Ic  Nga.VSOLJ
BOOV391        20210120.73311    9.708Ic  Nga.VSOLJ
BOOV391        20210120.73630    9.749Ic  Nga.VSOLJ
BOOV391        20210120.73947    9.784Ic  Nga.VSOLJ
BOOV391        20210120.74264    9.803Ic  Nga.VSOLJ
BOOV391        20210120.74582    9.888Ic  Nga.VSOLJ
BOOV391        20210120.74899    9.927Ic  Nga.VSOLJ
BOOV391        20210120.76170    9.914Ic  Nga.VSOLJ
BOOV391        20210120.76806    9.870Ic  Nga.VSOLJ
BOOV391        20210120.77123    9.847Ic  Nga.VSOLJ
BOOV391        20210120.77441    9.802Ic  Nga.VSOLJ
BOOV391        20210120.77758    9.758Ic  Nga.VSOLJ
BOOV391        20210120.78075    9.735Ic  Nga.VSOLJ
BOOV391        20210120.78394    9.684Ic  Nga.VSOLJ
BOOV391        20210120.78711    9.671Ic  Nga.VSOLJ
BOOV391        20210120.79029    9.639Ic  Nga.VSOLJ
BOOV391        20210120.79346    9.619Ic  Nga.VSOLJ
BOOV391        20210120.79663    9.613Ic  Nga.VSOLJ
BOOV391        20210120.79981    9.612Ic  Nga.VSOLJ
BOOV391        20210120.80299    9.592Ic  Nga.VSOLJ
BOOV391        20210120.80617    9.586Ic  Nga.VSOLJ
BOOV391        20210120.80934    9.571Ic  Nga.VSOLJ
BOOV391        20210120.81251    9.568Ic  Nga.VSOLJ
BOOV391        20210120.81569    9.547Ic  Nga.VSOLJ
BOOV391        20210120.81887    9.555Ic  Nga.VSOLJ
BOOV391        20210120.82205    9.550Ic  Nga.VSOLJ
---------------------------------------------------------------------
observer: K.Nagai (Kanagawa,Japan)
Instruments: 15L(F2) ST-402(KAF-402ME) , -5deg 2x2bin , B 120sec V 90sec I 60sec
comp. star TYC2-902.1116.1 9.60B 8.42V 7.24I
check star TYC2-902.1159.1
AIP4Win v.2.4.1, Aperture 5radius
error 0.016(B) 0.016(V) 0.013(I)
------------------------------------------------------------

It was cloudy.

minI BOOV391 2459235.258 0.000 Hel Nga.VSOLJ n=22 B
minI BOOV391 2459235.259 0.001 Hel Nga.VSOLJ n=24 V
minI BOOV391 2459235.258 0.000 Hel Nga.VSOLJ n=28 Ic

V391 Boo JD(hel)=2459235.258 C=2459235.283 E=17862 O-C=-0.025 B
V391 Boo JD(hel)=2459235.259 C=2459235.283 E=17862 O-C=-0.024 V
V391 Boo JD(hel)=2459235.258 C=2459235.283 E=17862 O-C=-0.025 Ic

min=2453396.874+0.326862xE (GCVS5.1 11-Mar-2020)


              - 20/Jan/2021 V391 Boo (By K.Nagai) -
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   17                18                19                20   (UT)

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