[vsnet-ecl 9388] BI CVn observations by H.Itoh (28/Fe/2023)

object YYMMDD(UT) mag code CVNBI 20230228.71197 10.831B Ioh.VSOLJ CVNBI 20230228.71346 10.850B Ioh.VSOLJ CVNBI 20230228.71497 10.853B Ioh.VSOLJ CVNBI 20230228.71646 10.875B Ioh.VSOLJ CVNBI 20230228.71796 10.884B Ioh.VSOLJ CVNBI 20230228.71946 10.888B Ioh.VSOLJ CVNBI 20230228.72096 10.877B Ioh.VSOLJ CVNBI 20230228.72247 10.873B Ioh.VSOLJ CVNBI 20230228.72396 10.887B Ioh.VSOLJ CVNBI 20230228.72546 10.902B Ioh.VSOLJ CVNBI 20230228.72696 10.910B Ioh.VSOLJ CVNBI 20230228.72846 10.922B Ioh.VSOLJ CVNBI 20230228.72997 10.922B Ioh.VSOLJ CVNBI 20230228.73146 10.942B Ioh.VSOLJ CVNBI 20230228.73296 10.941B Ioh.VSOLJ CVNBI 20230228.73447 10.955B Ioh.VSOLJ CVNBI 20230228.73596 10.955B Ioh.VSOLJ CVNBI 20230228.73747 10.978B Ioh.VSOLJ CVNBI 20230228.73897 10.965B Ioh.VSOLJ CVNBI 20230228.74046 10.978B Ioh.VSOLJ CVNBI 20230228.74197 10.991B Ioh.VSOLJ CVNBI 20230228.74346 11.010B Ioh.VSOLJ CVNBI 20230228.74497 11.027B Ioh.VSOLJ CVNBI 20230228.74647 11.017B Ioh.VSOLJ CVNBI 20230228.74796 11.020B Ioh.VSOLJ CVNBI 20230228.74947 11.051B Ioh.VSOLJ CVNBI 20230228.75097 11.057B Ioh.VSOLJ CVNBI 20230228.75247 11.084B Ioh.VSOLJ CVNBI 20230228.75397 11.095B Ioh.VSOLJ CVNBI 20230228.75547 11.061B Ioh.VSOLJ CVNBI 20230228.75697 11.088B Ioh.VSOLJ CVNBI 20230228.75847 11.094B Ioh.VSOLJ CVNBI 20230228.75998 11.145B Ioh.VSOLJ CVNBI 20230228.76147 11.120B Ioh.VSOLJ CVNBI 20230228.76297 11.159B Ioh.VSOLJ CVNBI 20230228.76447 11.162B Ioh.VSOLJ CVNBI 20230228.76597 11.188B Ioh.VSOLJ CVNBI 20230228.76748 11.192B Ioh.VSOLJ CVNBI 20230228.76897 11.177B Ioh.VSOLJ CVNBI 20230228.77047 11.208B Ioh.VSOLJ CVNBI 20230228.77197 11.225B Ioh.VSOLJ CVNBI 20230228.77347 11.249B Ioh.VSOLJ CVNBI 20230228.77498 11.231B Ioh.VSOLJ CVNBI 20230228.77647 11.261B Ioh.VSOLJ CVNBI 20230228.77797 11.239B Ioh.VSOLJ CVNBI 20230228.77948 11.263B Ioh.VSOLJ CVNBI 20230228.78097 11.253B Ioh.VSOLJ CVNBI 20230228.78248 11.240B Ioh.VSOLJ CVNBI 20230228.78398 11.270B Ioh.VSOLJ CVNBI 20230228.78547 11.237B Ioh.VSOLJ CVNBI 20230228.78698 11.228B Ioh.VSOLJ CVNBI 20230228.78847 11.223B Ioh.VSOLJ CVNBI 20230228.78998 11.208B Ioh.VSOLJ CVNBI 20230228.79211 11.198B Ioh.VSOLJ CVNBI 20230228.79360 11.211B Ioh.VSOLJ CVNBI 20230228.79510 11.162B Ioh.VSOLJ CVNBI 20230228.79661 11.152B Ioh.VSOLJ CVNBI 20230228.79810 11.141B Ioh.VSOLJ CVNBI 20230228.79961 11.164B Ioh.VSOLJ CVNBI 20230228.80111 11.109B Ioh.VSOLJ CVNBI 20230228.80260 11.105B Ioh.VSOLJ CVNBI 20230228.80411 11.106B Ioh.VSOLJ CVNBI 20230228.80561 11.117B Ioh.VSOLJ CVNBI 20230228.80711 11.122B Ioh.VSOLJ CVNBI 20230228.80861 11.049B Ioh.VSOLJ CVNBI 20230228.81012 11.102B Ioh.VSOLJ CVNBI 20230228.81161 11.083B Ioh.VSOLJ CVNBI 20230228.81311 11.063B Ioh.VSOLJ CVNBI 20230228.81461 11.061B Ioh.VSOLJ CVNBI 20230228.81611 11.052B Ioh.VSOLJ CVNBI 20230228.81762 11.019B Ioh.VSOLJ CVNBI 20230228.81911 11.028B Ioh.VSOLJ CVNBI 20230228.71122 10.264V Ioh.VSOLJ CVNBI 20230228.71271 10.263V Ioh.VSOLJ CVNBI 20230228.71421 10.257V Ioh.VSOLJ CVNBI 20230228.71572 10.285V Ioh.VSOLJ CVNBI 20230228.71721 10.281V Ioh.VSOLJ CVNBI 20230228.71872 10.289V Ioh.VSOLJ CVNBI 20230228.72021 10.296V Ioh.VSOLJ CVNBI 20230228.72171 10.299V Ioh.VSOLJ CVNBI 20230228.72321 10.303V Ioh.VSOLJ CVNBI 20230228.72471 10.318V Ioh.VSOLJ CVNBI 20230228.72622 10.316V Ioh.VSOLJ CVNBI 20230228.72771 10.324V Ioh.VSOLJ CVNBI 20230228.72921 10.345V Ioh.VSOLJ CVNBI 20230228.73071 10.340V Ioh.VSOLJ CVNBI 20230228.73221 10.357V Ioh.VSOLJ CVNBI 20230228.73372 10.365V Ioh.VSOLJ CVNBI 20230228.73521 10.355V Ioh.VSOLJ CVNBI 20230228.73671 10.354V Ioh.VSOLJ CVNBI 20230228.73822 10.372V Ioh.VSOLJ CVNBI 20230228.73971 10.377V Ioh.VSOLJ CVNBI 20230228.74122 10.391V Ioh.VSOLJ CVNBI 20230228.74272 10.410V Ioh.VSOLJ CVNBI 20230228.74421 10.419V Ioh.VSOLJ CVNBI 20230228.74572 10.423V Ioh.VSOLJ CVNBI 20230228.74722 10.432V Ioh.VSOLJ CVNBI 20230228.74872 10.457V Ioh.VSOLJ CVNBI 20230228.75022 10.458V Ioh.VSOLJ CVNBI 20230228.75172 10.471V Ioh.VSOLJ CVNBI 20230228.75322 10.486V Ioh.VSOLJ CVNBI 20230228.75472 10.498V Ioh.VSOLJ CVNBI 20230228.75622 10.493V Ioh.VSOLJ CVNBI 20230228.75772 10.516V Ioh.VSOLJ CVNBI 20230228.75922 10.504V Ioh.VSOLJ CVNBI 20230228.76072 10.534V Ioh.VSOLJ CVNBI 20230228.76222 10.567V Ioh.VSOLJ CVNBI 20230228.76373 10.572V Ioh.VSOLJ CVNBI 20230228.76522 10.576V Ioh.VSOLJ CVNBI 20230228.76672 10.601V Ioh.VSOLJ CVNBI 20230228.76822 10.602V Ioh.VSOLJ CVNBI 20230228.76972 10.602V Ioh.VSOLJ CVNBI 20230228.77123 10.625V Ioh.VSOLJ CVNBI 20230228.77272 10.621V Ioh.VSOLJ CVNBI 20230228.77422 10.644V Ioh.VSOLJ CVNBI 20230228.77572 10.641V Ioh.VSOLJ CVNBI 20230228.77722 10.654V Ioh.VSOLJ CVNBI 20230228.77873 10.650V Ioh.VSOLJ CVNBI 20230228.78022 10.632V Ioh.VSOLJ CVNBI 20230228.78172 10.636V Ioh.VSOLJ CVNBI 20230228.78323 10.647V Ioh.VSOLJ CVNBI 20230228.78472 10.622V Ioh.VSOLJ CVNBI 20230228.78623 10.659V Ioh.VSOLJ CVNBI 20230228.78773 10.641V Ioh.VSOLJ CVNBI 20230228.78922 10.620V Ioh.VSOLJ CVNBI 20230228.79135 10.619V Ioh.VSOLJ CVNBI 20230228.79286 10.593V Ioh.VSOLJ CVNBI 20230228.79435 10.582V Ioh.VSOLJ CVNBI 20230228.79586 10.566V Ioh.VSOLJ CVNBI 20230228.79736 10.547V Ioh.VSOLJ CVNBI 20230228.79885 10.546V Ioh.VSOLJ CVNBI 20230228.80036 10.512V Ioh.VSOLJ CVNBI 20230228.80186 10.528V Ioh.VSOLJ CVNBI 20230228.80336 10.502V Ioh.VSOLJ CVNBI 20230228.80486 10.493V Ioh.VSOLJ CVNBI 20230228.80637 10.490V Ioh.VSOLJ CVNBI 20230228.80786 10.471V Ioh.VSOLJ CVNBI 20230228.80936 10.497V Ioh.VSOLJ CVNBI 20230228.81086 10.465V Ioh.VSOLJ CVNBI 20230228.81236 10.447V Ioh.VSOLJ CVNBI 20230228.81387 10.412V Ioh.VSOLJ CVNBI 20230228.81536 10.408V Ioh.VSOLJ CVNBI 20230228.81686 10.396V Ioh.VSOLJ CVNBI 20230228.81837 10.437V Ioh.VSOLJ

Observer: H. Itoh (Tokyo, Japan) Instruments:20SC+ATIK383L+ (B,V filter)

minII CVNBI 2460004.2849 0.0004 Hel Ioh.VSOLJ n=72 B (calculated by Nagai) minII CVNBI 2460004.2844 0.0003 Hel Ioh.VSOLJ n=72 V (calculated by Nagai)

BI CVn JD(hel)=2460004.2849 C=2460004.2112 E=40709.5 O-C=+0.0737 B BI CVn JD(hel)=2460004.2844 C=2460004.2112 E=40709.5 O-C=+0.0732 V

min=2444365.2497+0.38416xE (GCVS5.1 19-Oct-2022)

- 28/Feb/2023 BI CVn (By H.Itoh) - 10 + | | *************** *** + ********** ********* * | ************ | ******* 11 + *********** * ****** | ************ ************* | * ** + | | 12 + +-----------------+-----------------+-----------------+-- 17 18 19 20 (UT)