[vsnet-ecl 11226] CV Boo observations by H.Itoh (21/Feb/2026)

object YYMMDD(UT) mag code BOOCV 20260221.73017 11.423B Ioh.VSOLJ BOOCV 20260221.73272 11.427B Ioh.VSOLJ BOOCV 20260221.73525 11.427B Ioh.VSOLJ BOOCV 20260221.73778 11.434B Ioh.VSOLJ BOOCV 20260221.74031 11.427B Ioh.VSOLJ BOOCV 20260221.74286 11.443B Ioh.VSOLJ BOOCV 20260221.74538 11.453B Ioh.VSOLJ BOOCV 20260221.74792 11.465B Ioh.VSOLJ BOOCV 20260221.75044 11.481B Ioh.VSOLJ BOOCV 20260221.75297 11.506B Ioh.VSOLJ BOOCV 20260221.75552 11.522B Ioh.VSOLJ BOOCV 20260221.75806 11.546B Ioh.VSOLJ BOOCV 20260221.76059 11.577B Ioh.VSOLJ BOOCV 20260221.76312 11.592B Ioh.VSOLJ BOOCV 20260221.76566 11.625B Ioh.VSOLJ BOOCV 20260221.76819 11.652B Ioh.VSOLJ BOOCV 20260221.77074 11.690B Ioh.VSOLJ BOOCV 20260221.77326 11.728B Ioh.VSOLJ BOOCV 20260221.77580 11.760B Ioh.VSOLJ BOOCV 20260221.77834 11.801B Ioh.VSOLJ BOOCV 20260221.78088 11.846B Ioh.VSOLJ BOOCV 20260221.78341 11.886B Ioh.VSOLJ BOOCV 20260221.78596 11.923B Ioh.VSOLJ BOOCV 20260221.78850 11.978B Ioh.VSOLJ BOOCV 20260221.79103 12.017B Ioh.VSOLJ BOOCV 20260221.79355 12.064B Ioh.VSOLJ BOOCV 20260221.79609 12.124B Ioh.VSOLJ BOOCV 20260221.79862 12.179B Ioh.VSOLJ BOOCV 20260221.80116 12.216B Ioh.VSOLJ BOOCV 20260221.80369 12.253B Ioh.VSOLJ BOOCV 20260221.80623 12.266B Ioh.VSOLJ BOOCV 20260221.80875 12.270B Ioh.VSOLJ BOOCV 20260221.81128 12.259B Ioh.VSOLJ BOOCV 20260221.81382 12.221B Ioh.VSOLJ BOOCV 20260221.81635 12.178B Ioh.VSOLJ BOOCV 20260221.81889 12.130B Ioh.VSOLJ BOOCV 20260221.82142 12.073B Ioh.VSOLJ BOOCV 20260221.82396 12.038B Ioh.VSOLJ BOOCV 20260221.82650 11.981B Ioh.VSOLJ BOOCV 20260221.82904 11.940B Ioh.VSOLJ BOOCV 20260221.83157 11.893B Ioh.VSOLJ BOOCV 20260221.83411 11.844B Ioh.VSOLJ BOOCV 20260221.83664 11.806B Ioh.VSOLJ BOOCV 20260221.83918 11.774B Ioh.VSOLJ BOOCV 20260221.84171 11.741B Ioh.VSOLJ BOOCV 20260221.84424 11.708B Ioh.VSOLJ BOOCV 20260221.84677 11.673B Ioh.VSOLJ BOOCV 20260221.84929 11.648B Ioh.VSOLJ BOOCV 20260221.85183 11.616B Ioh.VSOLJ BOOCV 20260221.72936 10.927V Ioh.VSOLJ BOOCV 20260221.73192 10.929V Ioh.VSOLJ BOOCV 20260221.73446 10.930V Ioh.VSOLJ BOOCV 20260221.73699 10.934V Ioh.VSOLJ BOOCV 20260221.73951 10.936V Ioh.VSOLJ BOOCV 20260221.74206 10.937V Ioh.VSOLJ BOOCV 20260221.74458 10.957V Ioh.VSOLJ BOOCV 20260221.74712 10.972V Ioh.VSOLJ BOOCV 20260221.74964 10.980V Ioh.VSOLJ BOOCV 20260221.75218 10.996V Ioh.VSOLJ BOOCV 20260221.75472 11.017V Ioh.VSOLJ BOOCV 20260221.75726 11.034V Ioh.VSOLJ BOOCV 20260221.75979 11.061V Ioh.VSOLJ BOOCV 20260221.76233 11.087V Ioh.VSOLJ BOOCV 20260221.76486 11.113V Ioh.VSOLJ BOOCV 20260221.76740 11.144V Ioh.VSOLJ BOOCV 20260221.76993 11.180V Ioh.VSOLJ BOOCV 20260221.77248 11.207V Ioh.VSOLJ BOOCV 20260221.77500 11.240V Ioh.VSOLJ BOOCV 20260221.77753 11.276V Ioh.VSOLJ BOOCV 20260221.78008 11.314V Ioh.VSOLJ BOOCV 20260221.78262 11.356V Ioh.VSOLJ BOOCV 20260221.78516 11.396V Ioh.VSOLJ BOOCV 20260221.78769 11.438V Ioh.VSOLJ BOOCV 20260221.79023 11.483V Ioh.VSOLJ BOOCV 20260221.79275 11.530V Ioh.VSOLJ BOOCV 20260221.79529 11.578V Ioh.VSOLJ BOOCV 20260221.79782 11.621V Ioh.VSOLJ BOOCV 20260221.80036 11.668V Ioh.VSOLJ BOOCV 20260221.80289 11.702V Ioh.VSOLJ BOOCV 20260221.80543 11.726V Ioh.VSOLJ BOOCV 20260221.80795 11.722V Ioh.VSOLJ BOOCV 20260221.81049 11.728V Ioh.VSOLJ BOOCV 20260221.81302 11.695V Ioh.VSOLJ BOOCV 20260221.81556 11.650V Ioh.VSOLJ BOOCV 20260221.81809 11.611V Ioh.VSOLJ BOOCV 20260221.82062 11.560V Ioh.VSOLJ BOOCV 20260221.82316 11.524V Ioh.VSOLJ BOOCV 20260221.82569 11.474V Ioh.VSOLJ BOOCV 20260221.82824 11.431V Ioh.VSOLJ BOOCV 20260221.83078 11.390V Ioh.VSOLJ BOOCV 20260221.83331 11.346V Ioh.VSOLJ BOOCV 20260221.83584 11.306V Ioh.VSOLJ BOOCV 20260221.83838 11.271V Ioh.VSOLJ BOOCV 20260221.84091 11.233V Ioh.VSOLJ BOOCV 20260221.84344 11.210V Ioh.VSOLJ BOOCV 20260221.84597 11.173V Ioh.VSOLJ BOOCV 20260221.84850 11.144V Ioh.VSOLJ BOOCV 20260221.85103 11.123V Ioh.VSOLJ BOOCV 20260221.73110 10.110Ic Ioh.VSOLJ BOOCV 20260221.73363 10.113Ic Ioh.VSOLJ BOOCV 20260221.73872 10.106Ic Ioh.VSOLJ BOOCV 20260221.74124 10.132Ic Ioh.VSOLJ BOOCV 20260221.74378 10.138Ic Ioh.VSOLJ BOOCV 20260221.74631 10.141Ic Ioh.VSOLJ BOOCV 20260221.74883 10.162Ic Ioh.VSOLJ BOOCV 20260221.75390 10.176Ic Ioh.VSOLJ BOOCV 20260221.75645 10.209Ic Ioh.VSOLJ BOOCV 20260221.75898 10.234Ic Ioh.VSOLJ BOOCV 20260221.76152 10.255Ic Ioh.VSOLJ BOOCV 20260221.76405 10.280Ic Ioh.VSOLJ BOOCV 20260221.76659 10.304Ic Ioh.VSOLJ BOOCV 20260221.76912 10.341Ic Ioh.VSOLJ BOOCV 20260221.77167 10.359Ic Ioh.VSOLJ BOOCV 20260221.77420 10.406Ic Ioh.VSOLJ BOOCV 20260221.78181 10.502Ic Ioh.VSOLJ BOOCV 20260221.78434 10.541Ic Ioh.VSOLJ BOOCV 20260221.78689 10.571Ic Ioh.VSOLJ BOOCV 20260221.78942 10.619Ic Ioh.VSOLJ BOOCV 20260221.79194 10.667Ic Ioh.VSOLJ BOOCV 20260221.79448 10.718Ic Ioh.VSOLJ BOOCV 20260221.79701 10.746Ic Ioh.VSOLJ BOOCV 20260221.79955 10.789Ic Ioh.VSOLJ BOOCV 20260221.80208 10.839Ic Ioh.VSOLJ BOOCV 20260221.80714 10.863Ic Ioh.VSOLJ BOOCV 20260221.80968 10.873Ic Ioh.VSOLJ BOOCV 20260221.81221 10.843Ic Ioh.VSOLJ BOOCV 20260221.81475 10.818Ic Ioh.VSOLJ BOOCV 20260221.81728 10.761Ic Ioh.VSOLJ BOOCV 20260221.81981 10.722Ic Ioh.VSOLJ BOOCV 20260221.82235 10.681Ic Ioh.VSOLJ BOOCV 20260221.82488 10.632Ic Ioh.VSOLJ BOOCV 20260221.82743 10.598Ic Ioh.VSOLJ BOOCV 20260221.82997 10.554Ic Ioh.VSOLJ BOOCV 20260221.83251 10.508Ic Ioh.VSOLJ BOOCV 20260221.83503 10.471Ic Ioh.VSOLJ BOOCV 20260221.83757 10.448Ic Ioh.VSOLJ BOOCV 20260221.84010 10.396Ic Ioh.VSOLJ BOOCV 20260221.84263 10.371Ic Ioh.VSOLJ BOOCV 20260221.84516 10.345Ic Ioh.VSOLJ BOOCV 20260221.84769 10.318Ic Ioh.VSOLJ BOOCV 20260221.85022 10.298Ic Ioh.VSOLJ BOOCV 20260221.85275 10.264Ic Ioh.VSOLJ Comparison: AUID 000-BNL-954 V=10.685 B=11.242 Ic=9.906 (B-V=0.557) Check: APASS 231.76209 36.928288 V=12.842 (B-V=0.529) Observer: H. Itoh (Tokyo, Japan) Instruments:30SC+ASI294MMpro (B,V,Ic filter) Temp -12 degree Celsius Gain120 Exposure B:70sec, V:50sec, Ic:70sec Imaging: MaxIm DL Ver.5 binning4*4 Photometry: Muniwin Ver.2.1.36 Standard system VBA Aperture radius 18.0pixel minI BOOCV 2461093.3094 0.0001 Hel Ioh.VSOLJ n=49 B (calculated by Nagai) minI BOOCV 2461093.3093 0.0000 Hel Ioh.VSOLJ n=49 V (calculated by Nagai) minI BOOCV 2461093.3092 0.0001 Hel Ioh.VSOLJ n=49 Ic (calculated by Nagai) CV Boo JD(hel)=2461093.3094 C=2461093.3129 E=10145 O-C=-0.0035 B CV Boo JD(hel)=2461093.3093 C=2461093.3129 E=10145 O-C=-0.0036 V CV Boo JD(hel)=2461093.3092 C=2461093.3129 E=10145 O-C=-0.0037 Ic min=2452500.5608+0.8469938xE (GCVS5.1 24-Nov-2024) - 21/Feb/2026 CV Boo (By H.Itoh) - 10 + ** * | *********** **** + * *** ***** | ************ 11 + ************* * | ****** ****** + ************ ***** ***** * | ****** ****** ****** 12 + ***** **** | ******** + | 13 + +-------------+-------------+-------------+-------------+ 17 18 19 20 21 (UT)