[vsnet-ecl 11225] GK Boo observations by H.Itoh (18/Feb/2026)

object YYMMDD(UT) mag code BOOGK 20260218.76844 12.021B Ioh.VSOLJ BOOGK 20260218.76986 12.075B Ioh.VSOLJ BOOGK 20260218.77127 12.087B Ioh.VSOLJ BOOGK 20260218.77270 12.143B Ioh.VSOLJ BOOGK 20260218.77412 12.158B Ioh.VSOLJ BOOGK 20260218.77838 12.272B Ioh.VSOLJ BOOGK 20260218.77980 12.285B Ioh.VSOLJ BOOGK 20260218.78123 12.317B Ioh.VSOLJ BOOGK 20260218.78264 12.314B Ioh.VSOLJ BOOGK 20260218.78406 12.332B Ioh.VSOLJ BOOGK 20260218.78832 12.213B Ioh.VSOLJ BOOGK 20260218.78975 12.195B Ioh.VSOLJ BOOGK 20260218.79116 12.185B Ioh.VSOLJ BOOGK 20260218.79258 12.065B Ioh.VSOLJ BOOGK 20260218.79400 12.086B Ioh.VSOLJ BOOGK 20260218.79542 12.043B Ioh.VSOLJ BOOGK 20260218.79684 12.009B Ioh.VSOLJ BOOGK 20260218.79826 12.018B Ioh.VSOLJ BOOGK 20260218.79969 11.955B Ioh.VSOLJ BOOGK 20260218.80110 11.938B Ioh.VSOLJ BOOGK 20260218.80252 11.913B Ioh.VSOLJ BOOGK 20260218.80395 11.890B Ioh.VSOLJ BOOGK 20260218.80536 11.926B Ioh.VSOLJ BOOGK 20260218.80678 11.798B Ioh.VSOLJ BOOGK 20260218.80821 11.794B Ioh.VSOLJ BOOGK 20260218.80963 11.859B Ioh.VSOLJ BOOGK 20260218.81247 11.785B Ioh.VSOLJ BOOGK 20260218.81389 11.723B Ioh.VSOLJ BOOGK 20260218.81531 11.726B Ioh.VSOLJ BOOGK 20260218.81672 11.719B Ioh.VSOLJ BOOGK 20260218.81815 11.684B Ioh.VSOLJ BOOGK 20260218.81957 11.667B Ioh.VSOLJ BOOGK 20260218.82100 11.659B Ioh.VSOLJ BOOGK 20260218.82241 11.648B Ioh.VSOLJ BOOGK 20260218.82383 11.643B Ioh.VSOLJ BOOGK 20260218.82525 11.655B Ioh.VSOLJ BOOGK 20260218.82668 11.626B Ioh.VSOLJ BOOGK 20260218.82810 11.634B Ioh.VSOLJ BOOGK 20260218.82951 11.619B Ioh.VSOLJ BOOGK 20260218.83094 11.618B Ioh.VSOLJ BOOGK 20260218.83236 11.581B Ioh.VSOLJ BOOGK 20260218.83377 11.557B Ioh.VSOLJ BOOGK 20260218.83662 11.592B Ioh.VSOLJ BOOGK 20260218.83804 11.616B Ioh.VSOLJ BOOGK 20260218.83947 11.599B Ioh.VSOLJ BOOGK 20260218.84088 11.633B Ioh.VSOLJ BOOGK 20260218.84230 11.589B Ioh.VSOLJ BOOGK 20260218.84373 11.605B Ioh.VSOLJ BOOGK 20260218.84514 11.611B Ioh.VSOLJ BOOGK 20260218.84656 11.603B Ioh.VSOLJ BOOGK 20260218.84799 11.621B Ioh.VSOLJ BOOGK 20260218.84941 11.581B Ioh.VSOLJ BOOGK 20260218.85082 11.593B Ioh.VSOLJ BOOGK 20260218.85225 11.604B Ioh.VSOLJ BOOGK 20260218.85367 11.598B Ioh.VSOLJ BOOGK 20260218.85508 11.574B Ioh.VSOLJ BOOGK 20260218.85650 11.583B Ioh.VSOLJ BOOGK 20260218.85793 11.578B Ioh.VSOLJ BOOGK 20260218.76774 11.191V Ioh.VSOLJ BOOGK 20260218.76917 11.211V Ioh.VSOLJ BOOGK 20260218.77059 11.265V Ioh.VSOLJ BOOGK 20260218.77200 11.288V Ioh.VSOLJ BOOGK 20260218.77343 11.344V Ioh.VSOLJ BOOGK 20260218.77769 11.434V Ioh.VSOLJ BOOGK 20260218.77911 11.479V Ioh.VSOLJ BOOGK 20260218.78053 11.491V Ioh.VSOLJ BOOGK 20260218.78194 11.514V Ioh.VSOLJ BOOGK 20260218.78337 11.517V Ioh.VSOLJ BOOGK 20260218.78763 11.397V Ioh.VSOLJ BOOGK 20260218.78905 11.372V Ioh.VSOLJ BOOGK 20260218.79047 11.339V Ioh.VSOLJ BOOGK 20260218.79189 11.322V Ioh.VSOLJ BOOGK 20260218.79331 11.267V Ioh.VSOLJ BOOGK 20260218.79473 11.250V Ioh.VSOLJ BOOGK 20260218.79615 11.224V Ioh.VSOLJ BOOGK 20260218.79757 11.177V Ioh.VSOLJ BOOGK 20260218.79899 11.155V Ioh.VSOLJ BOOGK 20260218.80041 11.135V Ioh.VSOLJ BOOGK 20260218.80183 11.074V Ioh.VSOLJ BOOGK 20260218.80325 11.069V Ioh.VSOLJ BOOGK 20260218.80468 11.084V Ioh.VSOLJ BOOGK 20260218.80751 10.991V Ioh.VSOLJ BOOGK 20260218.80894 11.036V Ioh.VSOLJ BOOGK 20260218.81035 10.985V Ioh.VSOLJ BOOGK 20260218.81177 10.995V Ioh.VSOLJ BOOGK 20260218.81319 10.898V Ioh.VSOLJ BOOGK 20260218.81462 10.911V Ioh.VSOLJ BOOGK 20260218.81604 10.877V Ioh.VSOLJ BOOGK 20260218.81745 10.856V Ioh.VSOLJ BOOGK 20260218.81888 10.858V Ioh.VSOLJ BOOGK 20260218.82030 10.832V Ioh.VSOLJ BOOGK 20260218.82171 10.831V Ioh.VSOLJ BOOGK 20260218.82315 10.818V Ioh.VSOLJ BOOGK 20260218.82456 10.810V Ioh.VSOLJ BOOGK 20260218.82598 10.784V Ioh.VSOLJ BOOGK 20260218.82741 10.786V Ioh.VSOLJ BOOGK 20260218.82882 10.797V Ioh.VSOLJ BOOGK 20260218.83024 10.784V Ioh.VSOLJ BOOGK 20260218.83167 10.776V Ioh.VSOLJ BOOGK 20260218.83309 10.784V Ioh.VSOLJ BOOGK 20260218.83593 10.790V Ioh.VSOLJ BOOGK 20260218.83735 10.785V Ioh.VSOLJ BOOGK 20260218.83877 10.782V Ioh.VSOLJ BOOGK 20260218.84019 10.782V Ioh.VSOLJ BOOGK 20260218.84161 10.771V Ioh.VSOLJ BOOGK 20260218.84303 10.771V Ioh.VSOLJ BOOGK 20260218.84446 10.771V Ioh.VSOLJ BOOGK 20260218.84587 10.785V Ioh.VSOLJ BOOGK 20260218.84729 10.753V Ioh.VSOLJ BOOGK 20260218.84872 10.778V Ioh.VSOLJ BOOGK 20260218.85013 10.769V Ioh.VSOLJ BOOGK 20260218.85155 10.775V Ioh.VSOLJ BOOGK 20260218.85297 10.775V Ioh.VSOLJ BOOGK 20260218.85440 10.782V Ioh.VSOLJ BOOGK 20260218.85581 10.762V Ioh.VSOLJ BOOGK 20260218.85723 10.761V Ioh.VSOLJ Comparison: APASS 219.475194 36.536041 V=10.425 B=10.947 (B-V=0.522) Check: APASS 219.518174 36.506031V=12.951 (B-V=0.602) 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:3.8pixel, V:3.8pixel minI BOOGK 2461090.2848 0.0002 Hel Ioh.VSOLJ n=58 V (calculated by Nagai) minI BOOGK 2461090.2845 0.0001 Hel Ioh.VSOLJ n=58 V (calculated by Nagai) GK Boo JD(hel)=2461090.2848 C=2461090.3017 E=12832 O-C=-0.0169 B GK Boo JD(hel)=2461090.2845 C=2461090.3017 E=12832 O-C=-0.0172 V min=2454959.525+0.4777725xE (GCVS5.1 24-Nov-2024) - 18/Feb/2026 GK Boo (By H.Itoh) - 10 + | + | ****************** 11 + ** ***** | **** ****** + *** * ***** ******** | ** ******** * 12 + ** ******* | * ******* + | 13 + +-----------------+-----------------+-----------------+-- 18 19 20 21 (UT)