[vsnet-ecl 11217] V1400 Tau observations by H.Itoh (30/Jan/2026)

object YYMMDD(UT) mag code TAUV1400 20260130.46627 12.486B Ioh.VSOLJ TAUV1400 20260130.46770 12.461B Ioh.VSOLJ TAUV1400 20260130.47196 12.473B Ioh.VSOLJ TAUV1400 20260130.47338 12.471B Ioh.VSOLJ TAUV1400 20260130.47480 12.413B Ioh.VSOLJ TAUV1400 20260130.47622 12.425B Ioh.VSOLJ TAUV1400 20260130.47764 12.415B Ioh.VSOLJ TAUV1400 20260130.48047 12.374B Ioh.VSOLJ TAUV1400 20260130.48190 12.413B Ioh.VSOLJ TAUV1400 20260130.48332 12.451B Ioh.VSOLJ TAUV1400 20260130.48475 12.394B Ioh.VSOLJ TAUV1400 20260130.48616 12.400B Ioh.VSOLJ TAUV1400 20260130.48758 12.461B Ioh.VSOLJ TAUV1400 20260130.48900 12.464B Ioh.VSOLJ TAUV1400 20260130.49042 12.414B Ioh.VSOLJ TAUV1400 20260130.49184 12.443B Ioh.VSOLJ TAUV1400 20260130.49326 12.424B Ioh.VSOLJ TAUV1400 20260130.49468 12.432B Ioh.VSOLJ TAUV1400 20260130.49610 12.405B Ioh.VSOLJ TAUV1400 20260130.49752 12.407B Ioh.VSOLJ TAUV1400 20260130.50036 12.425B Ioh.VSOLJ TAUV1400 20260130.50178 12.421B Ioh.VSOLJ TAUV1400 20260130.50462 12.441B Ioh.VSOLJ TAUV1400 20260130.50604 12.440B Ioh.VSOLJ TAUV1400 20260130.50747 12.470B Ioh.VSOLJ TAUV1400 20260130.50888 12.503B Ioh.VSOLJ TAUV1400 20260130.51030 12.496B Ioh.VSOLJ TAUV1400 20260130.53588 12.634B Ioh.VSOLJ TAUV1400 20260130.53730 12.622B Ioh.VSOLJ TAUV1400 20260130.53873 12.699B Ioh.VSOLJ TAUV1400 20260130.54015 12.655B Ioh.VSOLJ TAUV1400 20260130.54156 12.665B Ioh.VSOLJ TAUV1400 20260130.54299 12.632B Ioh.VSOLJ TAUV1400 20260130.54441 12.679B Ioh.VSOLJ TAUV1400 20260130.54583 12.716B Ioh.VSOLJ TAUV1400 20260130.54725 12.747B Ioh.VSOLJ TAUV1400 20260130.54867 12.795B Ioh.VSOLJ TAUV1400 20260130.55009 12.779B Ioh.VSOLJ TAUV1400 20260130.55150 12.765B Ioh.VSOLJ TAUV1400 20260130.55293 12.849B Ioh.VSOLJ TAUV1400 20260130.55435 12.868B Ioh.VSOLJ TAUV1400 20260130.55576 12.880B Ioh.VSOLJ TAUV1400 20260130.55719 12.914B Ioh.VSOLJ TAUV1400 20260130.55861 12.912B Ioh.VSOLJ TAUV1400 20260130.56287 13.004B Ioh.VSOLJ TAUV1400 20260130.56429 13.029B Ioh.VSOLJ TAUV1400 20260130.56571 13.005B Ioh.VSOLJ TAUV1400 20260130.56713 13.085B Ioh.VSOLJ TAUV1400 20260130.56855 13.077B Ioh.VSOLJ TAUV1400 20260130.56998 13.104B Ioh.VSOLJ TAUV1400 20260130.57139 13.089B Ioh.VSOLJ TAUV1400 20260130.57281 13.046B Ioh.VSOLJ TAUV1400 20260130.57424 13.022B Ioh.VSOLJ TAUV1400 20260130.57565 13.076B Ioh.VSOLJ TAUV1400 20260130.57707 13.033B Ioh.VSOLJ TAUV1400 20260130.57850 12.998B Ioh.VSOLJ TAUV1400 20260130.57991 13.033B Ioh.VSOLJ TAUV1400 20260130.58133 13.063B Ioh.VSOLJ TAUV1400 20260130.58275 12.961B Ioh.VSOLJ TAUV1400 20260130.58418 12.876B Ioh.VSOLJ TAUV1400 20260130.58559 12.931B Ioh.VSOLJ TAUV1400 20260130.58701 12.886B Ioh.VSOLJ TAUV1400 20260130.59270 12.769B Ioh.VSOLJ TAUV1400 20260130.59412 12.721B Ioh.VSOLJ TAUV1400 20260130.59696 12.664B Ioh.VSOLJ TAUV1400 20260130.59838 12.650B Ioh.VSOLJ TAUV1400 20260130.59979 12.656B Ioh.VSOLJ TAUV1400 20260130.60122 12.641B Ioh.VSOLJ TAUV1400 20260130.60264 12.565B Ioh.VSOLJ TAUV1400 20260130.60406 12.576B Ioh.VSOLJ TAUV1400 20260130.60547 12.552B Ioh.VSOLJ TAUV1400 20260130.60690 12.542B Ioh.VSOLJ TAUV1400 20260130.61116 12.472B Ioh.VSOLJ TAUV1400 20260130.61399 12.501B Ioh.VSOLJ TAUV1400 20260130.61542 12.503B Ioh.VSOLJ TAUV1400 20260130.61684 12.511B Ioh.VSOLJ TAUV1400 20260130.61826 12.470B Ioh.VSOLJ TAUV1400 20260130.62110 12.455B Ioh.VSOLJ TAUV1400 20260130.62252 12.442B Ioh.VSOLJ TAUV1400 20260130.62394 12.373B Ioh.VSOLJ TAUV1400 20260130.62678 12.328B Ioh.VSOLJ TAUV1400 20260130.46559 11.629V Ioh.VSOLJ TAUV1400 20260130.46700 11.642V Ioh.VSOLJ TAUV1400 20260130.47269 11.608V Ioh.VSOLJ TAUV1400 20260130.47411 11.610V Ioh.VSOLJ TAUV1400 20260130.47552 11.607V Ioh.VSOLJ TAUV1400 20260130.47694 11.616V Ioh.VSOLJ TAUV1400 20260130.47837 11.593V Ioh.VSOLJ TAUV1400 20260130.47979 11.601V Ioh.VSOLJ TAUV1400 20260130.48120 11.612V Ioh.VSOLJ TAUV1400 20260130.48263 11.592V Ioh.VSOLJ TAUV1400 20260130.48405 11.584V Ioh.VSOLJ TAUV1400 20260130.48546 11.592V Ioh.VSOLJ TAUV1400 20260130.48831 11.567V Ioh.VSOLJ TAUV1400 20260130.48972 11.579V Ioh.VSOLJ TAUV1400 20260130.49115 11.579V Ioh.VSOLJ TAUV1400 20260130.49257 11.575V Ioh.VSOLJ TAUV1400 20260130.49399 11.581V Ioh.VSOLJ TAUV1400 20260130.49541 11.577V Ioh.VSOLJ TAUV1400 20260130.49683 11.594V Ioh.VSOLJ TAUV1400 20260130.49825 11.579V Ioh.VSOLJ TAUV1400 20260130.50109 11.604V Ioh.VSOLJ TAUV1400 20260130.50251 11.582V Ioh.VSOLJ TAUV1400 20260130.50392 11.593V Ioh.VSOLJ TAUV1400 20260130.50535 11.581V Ioh.VSOLJ TAUV1400 20260130.50677 11.603V Ioh.VSOLJ TAUV1400 20260130.50819 11.635V Ioh.VSOLJ TAUV1400 20260130.51103 11.624V Ioh.VSOLJ TAUV1400 20260130.53519 11.767V Ioh.VSOLJ TAUV1400 20260130.53661 11.777V Ioh.VSOLJ TAUV1400 20260130.53803 11.760V Ioh.VSOLJ TAUV1400 20260130.53946 11.785V Ioh.VSOLJ TAUV1400 20260130.54229 11.819V Ioh.VSOLJ TAUV1400 20260130.54372 11.843V Ioh.VSOLJ TAUV1400 20260130.54514 11.843V Ioh.VSOLJ TAUV1400 20260130.54655 11.887V Ioh.VSOLJ TAUV1400 20260130.54797 11.880V Ioh.VSOLJ TAUV1400 20260130.54940 11.899V Ioh.VSOLJ TAUV1400 20260130.55082 11.935V Ioh.VSOLJ TAUV1400 20260130.55223 11.942V Ioh.VSOLJ TAUV1400 20260130.55366 11.945V Ioh.VSOLJ TAUV1400 20260130.55508 11.997V Ioh.VSOLJ TAUV1400 20260130.55649 12.031V Ioh.VSOLJ TAUV1400 20260130.55792 12.018V Ioh.VSOLJ TAUV1400 20260130.55934 12.074V Ioh.VSOLJ TAUV1400 20260130.56218 12.104V Ioh.VSOLJ TAUV1400 20260130.56360 12.139V Ioh.VSOLJ TAUV1400 20260130.56502 12.136V Ioh.VSOLJ TAUV1400 20260130.56644 12.181V Ioh.VSOLJ TAUV1400 20260130.56786 12.149V Ioh.VSOLJ TAUV1400 20260130.56928 12.195V Ioh.VSOLJ TAUV1400 20260130.57069 12.180V Ioh.VSOLJ TAUV1400 20260130.57212 12.181V Ioh.VSOLJ TAUV1400 20260130.57354 12.165V Ioh.VSOLJ TAUV1400 20260130.57495 12.165V Ioh.VSOLJ TAUV1400 20260130.57638 12.173V Ioh.VSOLJ TAUV1400 20260130.57780 12.168V Ioh.VSOLJ TAUV1400 20260130.57922 12.155V Ioh.VSOLJ TAUV1400 20260130.58064 12.151V Ioh.VSOLJ TAUV1400 20260130.58206 12.100V Ioh.VSOLJ TAUV1400 20260130.58348 12.146V Ioh.VSOLJ TAUV1400 20260130.58490 12.084V Ioh.VSOLJ TAUV1400 20260130.58632 12.076V Ioh.VSOLJ TAUV1400 20260130.59200 11.937V Ioh.VSOLJ TAUV1400 20260130.59343 11.898V Ioh.VSOLJ TAUV1400 20260130.59626 11.836V Ioh.VSOLJ TAUV1400 20260130.59769 11.873V Ioh.VSOLJ TAUV1400 20260130.59911 11.828V Ioh.VSOLJ TAUV1400 20260130.60052 11.827V Ioh.VSOLJ TAUV1400 20260130.60194 11.781V Ioh.VSOLJ TAUV1400 20260130.60337 11.815V Ioh.VSOLJ TAUV1400 20260130.60478 11.765V Ioh.VSOLJ TAUV1400 20260130.60620 11.710V Ioh.VSOLJ TAUV1400 20260130.61046 11.692V Ioh.VSOLJ TAUV1400 20260130.61331 11.696V Ioh.VSOLJ TAUV1400 20260130.61472 11.654V Ioh.VSOLJ TAUV1400 20260130.61615 11.664V Ioh.VSOLJ TAUV1400 20260130.61757 11.628V Ioh.VSOLJ TAUV1400 20260130.62041 11.611V Ioh.VSOLJ TAUV1400 20260130.62183 11.584V Ioh.VSOLJ TAUV1400 20260130.62325 11.577V Ioh.VSOLJ TAUV1400 20260130.62609 11.587V Ioh.VSOLJ TAUV1400 20260130.62751 11.601V Ioh.VSOLJ TAUV1400 20260130.62894 11.576V Ioh.VSOLJ TAUV1400 20260130.63035 11.567V Ioh.VSOLJ TAUV1400 20260130.63177 11.543V Ioh.VSOLJ TAUV1400 20260130.63319 11.583V Ioh.VSOLJ TAUV1400 20260130.63462 11.514V Ioh.VSOLJ TAUV1400 20260130.63603 11.560V Ioh.VSOLJ TAUV1400 20260130.63745 11.528V Ioh.VSOLJ TAUV1400 20260130.63888 11.576V Ioh.VSOLJ TAUV1400 20260130.64030 11.550V Ioh.VSOLJ TAUV1400 20260130.64172 11.521V Ioh.VSOLJ TAUV1400 20260130.64314 11.515V Ioh.VSOLJ TAUV1400 20260130.64456 11.529V Ioh.VSOLJ TAUV1400 20260130.64598 11.535V Ioh.VSOLJ TAUV1400 20260130.64882 11.512V Ioh.VSOLJ Comparison: BSM 71.841607 23.177098 V=9.338 B=10.506 (B-V=1.168) Check: APASS 71.867233 23.143293 V=12.282 (B-V=0.732) Observer: H. Itoh (Tokyo, Japan) Instruments:20SC+ATIK383L+ (B,V filter) Temp -15 degree Celsius Exposure: B:70sec,V:40sec Imaging: MaxIm DL Ver.5 binning3*3 Photometry: Muniwin Ver.2.1.36, Standard system VBA Aperture radius B:5.3pixel, V:7.1pixel minI TAUV1400 2461071.0744 0.0004 Hel Ioh.VSOLJ n=81 B (calculated by Nagai) minI TAUV1400 2461071.0754 0.0003 Hel Ioh.VSOLJ n=96 V (calculated by Nagai) V1400 Tau JD(hel)=2461071.0744 C=2461071.0909 E=23618 O-C=-0.0165 B V1400 Tau JD(hel)=2461071.0754 C=2461071.0909 E=23618 O-C=-0.0155 V min=2453601.922+0.316249xE (GCVS5.1 24-Nov-2024) - 30/Jan/2026 V1400 Tau (By H.Itoh) - 11 + | + *********** ******** | * * **** ******* 12 + ***** **** | * ****** * + ************* * ****** | ****** **** 13 + * ******* | + | 14 + +----------+----------+----------+----------+----------+- 11 12 13 14 15 16 (UT)