object YYMMDD(UT) mag code ERIBV 20241226.39758 8.592V Nga.VSOLJ ERIBV 20241226.39875 8.588V Nga.VSOLJ ERIBV 20241226.40324 8.634V Nga.VSOLJ ERIBV 20241226.40442 8.612V Nga.VSOLJ ERIBV 20241226.40559 8.596V Nga.VSOLJ ERIBV 20241226.40891 8.656V Nga.VSOLJ ERIBV 20241226.41008 8.694V Nga.VSOLJ ERIBV 20241226.41126 8.689V Nga.VSOLJ ERIBV 20241226.41244 8.670V Nga.VSOLJ ERIBV 20241226.41575 8.697V Nga.VSOLJ ERIBV 20241226.41692 8.677V Nga.VSOLJ ERIBV 20241226.41928 8.706V Nga.VSOLJ ERIBV 20241226.42259 8.755V Nga.VSOLJ ERIBV 20241226.42376 8.712V Nga.VSOLJ ERIBV 20241226.42611 8.752V Nga.VSOLJ ERIBV 20241226.45113 8.648V Nga.VSOLJ ERIBV 20241226.49101 8.383V Nga.VSOLJ ERIBV 20241226.49218 8.366V Nga.VSOLJ ERIBV 20241226.49785 8.305V Nga.VSOLJ ERIBV 20241226.49903 8.296V Nga.VSOLJ ERIBV 20241226.39932 7.868Ic Nga.VSOLJ ERIBV 20241226.40263 7.923Ic Nga.VSOLJ ERIBV 20241226.40381 7.919Ic Nga.VSOLJ ERIBV 20241226.40498 7.928Ic Nga.VSOLJ ERIBV 20241226.40616 7.932Ic Nga.VSOLJ ERIBV 20241226.40948 7.963Ic Nga.VSOLJ ERIBV 20241226.41065 7.970Ic Nga.VSOLJ ERIBV 20241226.41183 8.000Ic Nga.VSOLJ ERIBV 20241226.41300 7.996Ic Nga.VSOLJ ERIBV 20241226.41632 7.968Ic Nga.VSOLJ ERIBV 20241226.41867 8.011Ic Nga.VSOLJ ERIBV 20241226.41984 8.016Ic Nga.VSOLJ ERIBV 20241226.42315 8.031Ic Nga.VSOLJ ERIBV 20241226.42433 8.052Ic Nga.VSOLJ ERIBV 20241226.42551 8.081Ic Nga.VSOLJ ERIBV 20241226.42668 8.062Ic Nga.VSOLJ ERIBV 20241226.45170 7.908Ic Nga.VSOLJ ERIBV 20241226.45287 7.939Ic Nga.VSOLJ ERIBV 20241226.45405 7.892Ic Nga.VSOLJ ERIBV 20241226.45736 7.890Ic Nga.VSOLJ ERIBV 20241226.45854 7.837Ic Nga.VSOLJ ERIBV 20241226.49156 7.669Ic Nga.VSOLJ ERIBV 20241226.49274 7.629Ic Nga.VSOLJ ERIBV 20241226.49392 7.644Ic Nga.VSOLJ ERIBV 20241226.49509 7.651Ic Nga.VSOLJ ERIBV 20241226.49841 7.632Ic Nga.VSOLJ ERIBV 20241226.50078 7.617Ic Nga.VSOLJ --------------------------------------------------------------------- observer: K.Nagai (Kanagawa,Japan) Instruments: 15L(F4) ATIK-428EX(ICX674), -10deg, 2x2, V 30 Ic 60sec comp. star TYC2-5307.553.1 10.55V 9.39I check star TYC2-5307.189.1 AIP4Win v.2.4.1, Aperture 9radius error 0.030(V) 0.018(Ic) ------------------------------------------------------------ It was cloudy.

minI ERIBV 2460670.932 0.000 Hel Nga.VSOLJ n=20 V minI ERIBV 2460670.930 0.000 Hel Nga.VSOLJ n=27 Ic

BV Eri JD(hel)=2460670.932 C=2460670.719 E=33922 O-C=+0.213 V BV Eri JD(hel)=2460670.930 C=2460670.719 E=33922 O-C=+0.211 Ic

min=2443449.7103+0.5076649xE (GCVS5.1 Nov-2023)

- 26/Dec/2024 BV Eri (By K.Nagai) - 07 + | | + | **** | * * * 08 + ********* * | | * ** + | ****** *** * | ** 09 + +-------------+-------------+-------------+-------------+ 09 10 11 12 13 (UT)

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