[vsnet-ecl 7408] AF Crv observations by K.Nagai (6/Apr/2020)

[K.Nagai]

object         YYMMDD(UT)        mag    code
CRVAF        20200406.45030    11.184B  Nga.VSOLJ
CRVAF        20200406.45675    11.028B  Nga.VSOLJ
CRVAF        20200406.45889    11.125B  Nga.VSOLJ
CRVAF        20200406.46316    11.166B  Nga.VSOLJ
CRVAF        20200406.46744    11.162B  Nga.VSOLJ
CRVAF        20200406.46958    11.285B  Nga.VSOLJ
CRVAF        20200406.47174    11.213B  Nga.VSOLJ
CRVAF        20200406.47388    11.176B  Nga.VSOLJ
CRVAF        20200406.47815    11.192B  Nga.VSOLJ
CRVAF        20200406.48458    11.408B  Nga.VSOLJ
CRVAF        20200406.48672    11.347B  Nga.VSOLJ
CRVAF        20200406.48885    11.363B  Nga.VSOLJ
CRVAF        20200406.49744    11.349B  Nga.VSOLJ
CRVAF        20200406.50177    11.518B  Nga.VSOLJ
CRVAF        20200406.50392    11.482B  Nga.VSOLJ
CRVAF        20200406.50605    11.411B  Nga.VSOLJ
CRVAF        20200406.51248    11.554B  Nga.VSOLJ
CRVAF        20200406.51463    11.574B  Nga.VSOLJ
CRVAF        20200406.51677    11.523B  Nga.VSOLJ
CRVAF        20200406.51891    11.613B  Nga.VSOLJ
CRVAF        20200406.52534    11.701B  Nga.VSOLJ
CRVAF        20200406.52749    11.773B  Nga.VSOLJ
CRVAF        20200406.53178    11.767B  Nga.VSOLJ
CRVAF        20200406.53391    11.803B  Nga.VSOLJ
CRVAF        20200406.53606    11.790B  Nga.VSOLJ
CRVAF        20200406.53821    11.824B  Nga.VSOLJ
CRVAF        20200406.54035    11.776B  Nga.VSOLJ
CRVAF        20200406.54250    11.763B  Nga.VSOLJ
CRVAF        20200406.54678    11.869B  Nga.VSOLJ
CRVAF        20200406.54892    11.871B  Nga.VSOLJ
CRVAF        20200406.55106    11.830B  Nga.VSOLJ
CRVAF        20200406.55321    11.893B  Nga.VSOLJ
CRVAF        20200406.55749    11.902B  Nga.VSOLJ
CRVAF        20200406.55963    11.888B  Nga.VSOLJ
CRVAF        20200406.56392    11.945B  Nga.VSOLJ
CRVAF        20200406.57895    11.903B  Nga.VSOLJ
CRVAF        20200406.58109    11.867B  Nga.VSOLJ
CRVAF        20200406.43833    10.525Ic  Nga.VSOLJ
CRVAF        20200406.44047    10.462Ic  Nga.VSOLJ
CRVAF        20200406.44689    10.547Ic  Nga.VSOLJ
CRVAF        20200406.44904    10.530Ic  Nga.VSOLJ
CRVAF        20200406.45547    10.436Ic  Nga.VSOLJ
CRVAF        20200406.46191    10.573Ic  Nga.VSOLJ
CRVAF        20200406.46404    10.573Ic  Nga.VSOLJ
CRVAF        20200406.46618    10.526Ic  Nga.VSOLJ
CRVAF        20200406.46832    10.589Ic  Nga.VSOLJ
CRVAF        20200406.47046    10.519Ic  Nga.VSOLJ
CRVAF        20200406.47262    10.521Ic  Nga.VSOLJ
CRVAF        20200406.47476    10.603Ic  Nga.VSOLJ
CRVAF        20200406.47689    10.579Ic  Nga.VSOLJ
CRVAF        20200406.48118    10.602Ic  Nga.VSOLJ
CRVAF        20200406.48546    10.570Ic  Nga.VSOLJ
CRVAF        20200406.48760    10.675Ic  Nga.VSOLJ
CRVAF        20200406.48975    10.654Ic  Nga.VSOLJ
CRVAF        20200406.49403    10.749Ic  Nga.VSOLJ
CRVAF        20200406.49617    10.705Ic  Nga.VSOLJ
CRVAF        20200406.49834    10.734Ic  Nga.VSOLJ
CRVAF        20200406.50050    10.783Ic  Nga.VSOLJ
CRVAF        20200406.50265    10.795Ic  Nga.VSOLJ
CRVAF        20200406.50479    10.741Ic  Nga.VSOLJ
CRVAF        20200406.50693    10.735Ic  Nga.VSOLJ
CRVAF        20200406.50907    10.769Ic  Nga.VSOLJ
CRVAF        20200406.51123    10.741Ic  Nga.VSOLJ
CRVAF        20200406.51336    10.812Ic  Nga.VSOLJ
CRVAF        20200406.51551    10.824Ic  Nga.VSOLJ
CRVAF        20200406.51765    10.796Ic  Nga.VSOLJ
CRVAF        20200406.51979    10.831Ic  Nga.VSOLJ
CRVAF        20200406.52193    10.857Ic  Nga.VSOLJ
CRVAF        20200406.52407    10.825Ic  Nga.VSOLJ
CRVAF        20200406.52622    10.852Ic  Nga.VSOLJ
CRVAF        20200406.52836    10.923Ic  Nga.VSOLJ
CRVAF        20200406.53265    10.998Ic  Nga.VSOLJ
CRVAF        20200406.53479    10.930Ic  Nga.VSOLJ
CRVAF        20200406.53909    11.003Ic  Nga.VSOLJ
CRVAF        20200406.54123    11.025Ic  Nga.VSOLJ
CRVAF        20200406.54980    11.090Ic  Nga.VSOLJ
CRVAF        20200406.55837    11.082Ic  Nga.VSOLJ
CRVAF        20200406.56051    11.042Ic  Nga.VSOLJ
CRVAF        20200406.56696    11.056Ic  Nga.VSOLJ
CRVAF        20200406.57339    10.994Ic  Nga.VSOLJ
CRVAF        20200406.57554    10.961Ic  Nga.VSOLJ
CRVAF        20200406.58197    10.913Ic  Nga.VSOLJ
CRVAF        20200406.58412    10.874Ic  Nga.VSOLJ
---------------------------------------------------------------------
observer: K.Nagai (Kanagawa,Japan)
Instruments: 15L(F4) ATIK-490EX(ICX814), -10deg, U 5x5 60sec, B 4x4 45sec V/Ic 3x3 30sec
comp. star TYC2-5532.1652.1 8.92U 8.87B 8.32V 7.77I
check star TYC2-5532.1332.1
AIP4Win v.2.4.0, Aperture 7radius
error 0.023(B) 0.010(I)
---------------------------------------------------------------------

The U band was not seen in the image and the V band was saturated.

minI CRVAF 2458946.0605 0.0011 Hel Nga.VSOLJ n=46 Ic

AF Crv JD(hel)=2458946.0605 C=2458946.0090 E=9505 O-C=+0.0515 Ic

min=2454435.858+0.474503xE (GCVS5 08/Jul/2019)


              - 06/Apr/2020 AF Crv (By K.Nagai) -
10 +                                                         
   |                                                         
   |                                                         
   +      * * * ***** *                                      
   |              ** * *** ***                               
   |                      ********              *            
11 +          *                  * ***   ** ***              
   |         * ******                  *                     
   |              *   ** * *                                 
   +                      ** **                              
   |                           * *                           
   |                             **********    *             
12 +                                       *                 
    +----------+----------+----------+----------+----------+-
   10         11         12         13         14         15  (UT)

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