# Measurements of HS 2331+3905 made at RIT Obs, Sep 6, 2007 UT, # made by Michael Richmond. # All data taken with 12-inch LX-200 + V filter + SBIG ST-8 CCD # no focal reducer, so at native f/10 # Each exposure 10 seconds long; tabulated times are midexposure # and accurate only to +/- 1 second. # 'mag' is a differential magnitude based on ensemble photometry # which has been shifted so TYC 3231-533-1 mag=10.900 # to match value from AAVSO Alert Notice 357. # # UT day JD-2,450,000 HJD-2,450,000 mag Sep06.02453 4349.52453 4349.52851 8.656 Sep06.02476 4349.52476 4349.52874 8.716 Sep06.02499 4349.52499 4349.52897 8.646 Sep06.02521 4349.52521 4349.52919 8.681 Sep06.02544 4349.52544 4349.52942 8.724 Sep06.02567 4349.52567 4349.52965 8.778 Sep06.02590 4349.52590 4349.52988 8.789 Sep06.02612 4349.52612 4349.53010 8.760 Sep06.02635 4349.52635 4349.53033 8.768 Sep06.02659 4349.52659 4349.53057 8.790 Sep06.02681 4349.52681 4349.53079 8.764 Sep06.02704 4349.52704 4349.53102 8.788 Sep06.02727 4349.52727 4349.53125 8.770 Sep06.02796 4349.52796 4349.53194 8.771 Sep06.02821 4349.52821 4349.53219 8.846 Sep06.02844 4349.52844 4349.53242 8.817 Sep06.02868 4349.52868 4349.53266 8.801 Sep06.02891 4349.52891 4349.53289 8.747 Sep06.02914 4349.52914 4349.53312 8.698 Sep06.02939 4349.52939 4349.53337 8.676 Sep06.02962 4349.52962 4349.53360 8.777 Sep06.02986 4349.52986 4349.53384 8.699 Sep06.03010 4349.53010 4349.53408 8.693 Sep06.03034 4349.53034 4349.53432 8.673 Sep06.03058 4349.53058 4349.53456 8.661 Sep06.03081 4349.53081 4349.53479 8.679 Sep06.03105 4349.53105 4349.53503 8.719 Sep06.03128 4349.53128 4349.53526 8.746 Sep06.03153 4349.53153 4349.53551 8.695 Sep06.03177 4349.53177 4349.53575 8.671 Sep06.03200 4349.53200 4349.53598 8.711 Sep06.03225 4349.53225 4349.53623 8.688 Sep06.03333 4349.53333 4349.53731 8.687 Sep06.03356 4349.53356 4349.53754 8.672 Sep06.03381 4349.53381 4349.53779 8.668 Sep06.03404 4349.53404 4349.53802 8.669 Sep06.03428 4349.53428 4349.53826 8.713 Sep06.03451 4349.53451 4349.53849 8.687 Sep06.03476 4349.53476 4349.53874 8.763 Sep06.03500 4349.53500 4349.53898 8.757 Sep06.03523 4349.53523 4349.53921 8.792 Sep06.03547 4349.53547 4349.53945 8.750 Sep06.03571 4349.53571 4349.53969 8.734 Sep06.03595 4349.53595 4349.53993 8.720 Sep06.03618 4349.53618 4349.54016 8.736 Sep06.03642 4349.53642 4349.54040 8.751 Sep06.03666 4349.53666 4349.54064 8.740 Sep06.03690 4349.53690 4349.54088 8.780 Sep06.03713 4349.53713 4349.54111 8.766 Sep06.03737 4349.53737 4349.54135 8.747 Sep06.03760 4349.53760 4349.54158 8.732 Sep06.03785 4349.53785 4349.54183 8.757 Sep06.03808 4349.53808 4349.54206 8.710 Sep06.03832 4349.53832 4349.54230 8.750 Sep06.03855 4349.53855 4349.54253 8.720 Sep06.03880 4349.53880 4349.54278 8.741 Sep06.03904 4349.53904 4349.54302 8.734 Sep06.03927 4349.53927 4349.54325 8.734 Sep06.03951 4349.53951 4349.54349 8.725 Sep06.03975 4349.53975 4349.54373 8.751 Sep06.03999 4349.53999 4349.54397 8.712 Sep06.04023 4349.54023 4349.54421 8.590 Sep06.04046 4349.54046 4349.54444 8.696 Sep06.04071 4349.54071 4349.54469 8.662 Sep06.04094 4349.54094 4349.54492 8.630 Sep06.04117 4349.54117 4349.54515 8.681 Sep06.04141 4349.54141 4349.54539 8.642 Sep06.04164 4349.54164 4349.54562 8.632 Sep06.04189 4349.54189 4349.54587 8.634 Sep06.04212 4349.54212 4349.54610 8.633 Sep06.04236 4349.54236 4349.54634 8.667 Sep06.04284 4349.54284 4349.54682 8.665 Sep06.04308 4349.54308 4349.54706 8.636 Sep06.04331 4349.54331 4349.54729 8.646 Sep06.04355 4349.54355 4349.54753 8.665 Sep06.04475 4349.54475 4349.54873 8.627 Sep06.04499 4349.54499 4349.54897 8.636 Sep06.04522 4349.54522 4349.54920 8.673 Sep06.04546 4349.54546 4349.54944 8.622 Sep06.04571 4349.54571 4349.54969 8.694 Sep06.04594 4349.54594 4349.54992 8.628 Sep06.04617 4349.54617 4349.55015 8.582 Sep06.04641 4349.54641 4349.55039 8.611 Sep06.04666 4349.54666 4349.55064 8.628 Sep06.04689 4349.54689 4349.55087 8.604 Sep06.04713 4349.54713 4349.55111 8.615 Sep06.04736 4349.54736 4349.55134 8.629 Sep06.04760 4349.54760 4349.55158 8.699 Sep06.04784 4349.54784 4349.55182 8.635 Sep06.04808 4349.54808 4349.55206 8.657 Sep06.04831 4349.54831 4349.55229 8.633 Sep06.04903 4349.54903 4349.55301 8.599 Sep06.04927 4349.54927 4349.55325 8.594 Sep06.04950 4349.54950 4349.55348 8.622 Sep06.04975 4349.54975 4349.55373 8.622 Sep06.04998 4349.54998 4349.55396 8.608 Sep06.05022 4349.55022 4349.55420 8.591 Sep06.05045 4349.55045 4349.55443 8.643 Sep06.05069 4349.55069 4349.55467 8.664 Sep06.05093 4349.55093 4349.55491 8.687 Sep06.05117 4349.55117 4349.55515 8.684 Sep06.05140 4349.55140 4349.55538 8.654 Sep06.05164 4349.55164 4349.55562 8.633 Sep06.05187 4349.55187 4349.55585 8.633 Sep06.05212 4349.55212 4349.55610 8.609 Sep06.05236 4349.55236 4349.55634 8.649 Sep06.05259 4349.55259 4349.55657 8.646 Sep06.05284 4349.55284 4349.55682 8.639 Sep06.05307 4349.55307 4349.55705 8.669 Sep06.05331 4349.55331 4349.55729 8.664 Sep06.05354 4349.55354 4349.55752 8.637 Sep06.05378 4349.55378 4349.55776 8.670 Sep06.05402 4349.55402 4349.55800 8.646 Sep06.05426 4349.55426 4349.55824 8.667 Sep06.05450 4349.55450 4349.55848 8.648 Sep06.05475 4349.55475 4349.55873 8.634 Sep06.05498 4349.55498 4349.55896 8.680 Sep06.05618 4349.55618 4349.56016 8.686 Sep06.05642 4349.55642 4349.56040 8.662 Sep06.05666 4349.55666 4349.56064 8.677 Sep06.05690 4349.55690 4349.56088 8.639 Sep06.05713 4349.55713 4349.56111 8.684 Sep06.05737 4349.55737 4349.56135 8.666 Sep06.05760 4349.55760 4349.56158 8.674 Sep06.05785 4349.55785 4349.56183 8.697 Sep06.05832 4349.55832 4349.56230 8.692 Sep06.05855 4349.55855 4349.56253 8.736 Sep06.05880 4349.55880 4349.56278 8.788 Sep06.05903 4349.55903 4349.56301 8.722 Sep06.05927 4349.55927 4349.56325 8.749 Sep06.05951 4349.55951 4349.56349 8.761 Sep06.05975 4349.55975 4349.56373 8.767 Sep06.06022 4349.56022 4349.56420 8.793 Sep06.06046 4349.56046 4349.56444 8.805 Sep06.06069 4349.56069 4349.56467 8.799 Sep06.06094 4349.56094 4349.56492 8.847 Sep06.06117 4349.56117 4349.56515 8.779 Sep06.06141 4349.56141 4349.56539 8.805 Sep06.06166 4349.56166 4349.56564 8.843 Sep06.06189 4349.56189 4349.56587 8.824 Sep06.06212 4349.56212 4349.56610 8.782 Sep06.06236 4349.56236 4349.56634 8.840 Sep06.06260 4349.56260 4349.56658 8.836 Sep06.06331 4349.56331 4349.56729 8.822 Sep06.06355 4349.56355 4349.56753 8.825 Sep06.06378 4349.56378 4349.56776 8.834 Sep06.06403 4349.56403 4349.56801 8.848 Sep06.06426 4349.56426 4349.56824 8.868 Sep06.06450 4349.56450 4349.56848 8.844 Sep06.06473 4349.56473 4349.56871 8.845 Sep06.06498 4349.56498 4349.56896 8.820 Sep06.06521 4349.56521 4349.56919 8.818 Sep06.06545 4349.56545 4349.56943 8.834 Sep06.06568 4349.56568 4349.56966 8.838 Sep06.06593 4349.56593 4349.56991 8.822 Sep06.06616 4349.56616 4349.57014 8.874 Sep06.06640 4349.56640 4349.57038 8.818 Sep06.06760 4349.56760 4349.57158 8.815 Sep06.06785 4349.56785 4349.57183 8.859 Sep06.06808 4349.56808 4349.57206 8.813 Sep06.06832 4349.56832 4349.57230 8.822 Sep06.06855 4349.56855 4349.57253 8.809 Sep06.06880 4349.56880 4349.57278 8.815 Sep06.06904 4349.56904 4349.57302 8.818 Sep06.06927 4349.56927 4349.57325 8.862 Sep06.06951 4349.56951 4349.57349 8.822 Sep06.06975 4349.56975 4349.57373 8.871 Sep06.06999 4349.56999 4349.57397 8.860 Sep06.07023 4349.57023 4349.57421 8.875 Sep06.07046 4349.57046 4349.57444 8.881 Sep06.07071 4349.57071 4349.57469 8.887 Sep06.07094 4349.57094 4349.57492 8.875 Sep06.07118 4349.57118 4349.57516 8.923 Sep06.07141 4349.57141 4349.57539 8.924 Sep06.07166 4349.57166 4349.57564 8.912 Sep06.07189 4349.57189 4349.57587 8.918 Sep06.07213 4349.57213 4349.57611 8.928 Sep06.07236 4349.57236 4349.57634 8.939 Sep06.07260 4349.57260 4349.57658 8.909 Sep06.07284 4349.57284 4349.57682 8.909 Sep06.07308 4349.57308 4349.57706 8.932 Sep06.07332 4349.57332 4349.57730 8.899 Sep06.07355 4349.57355 4349.57753 8.879 Sep06.07380 4349.57380 4349.57778 8.867 Sep06.07403 4349.57403 4349.57801 8.843 Sep06.07427 4349.57427 4349.57825 8.806 Sep06.07450 4349.57450 4349.57848 8.829 Sep06.07475 4349.57475 4349.57873 8.823 Sep06.07522 4349.57522 4349.57920 8.816 Sep06.07610 4349.57610 4349.58008 8.801 Sep06.07633 4349.57633 4349.58031 8.758 Sep06.07657 4349.57657 4349.58055 8.781 Sep06.07682 4349.57682 4349.58080 8.740 Sep06.07705 4349.57705 4349.58103 8.727 Sep06.07729 4349.57729 4349.58127 8.759 Sep06.07752 4349.57752 4349.58150 8.781 Sep06.07777 4349.57777 4349.58175 8.769 Sep06.07892 4349.57892 4349.58290 8.792 Sep06.07917 4349.57917 4349.58315 8.763 Sep06.07940 4349.57940 4349.58338 8.799 Sep06.07964 4349.57964 4349.58362 8.795 Sep06.07987 4349.57987 4349.58385 8.809 Sep06.08012 4349.58012 4349.58410 8.773 Sep06.08035 4349.58035 4349.58433 8.755 Sep06.08059 4349.58059 4349.58457 8.742 Sep06.08082 4349.58082 4349.58480 8.747 Sep06.08106 4349.58106 4349.58504 8.759 Sep06.08130 4349.58130 4349.58528 8.766 Sep06.08154 4349.58154 4349.58552 8.749 Sep06.08177 4349.58177 4349.58575 8.701 Sep06.08201 4349.58201 4349.58599 8.688 Sep06.08225 4349.58225 4349.58623 8.692 Sep06.08249 4349.58249 4349.58647 8.712 Sep06.08273 4349.58273 4349.58671 8.738 Sep06.08296 4349.58296 4349.58694 8.689 Sep06.08321 4349.58321 4349.58719 8.735 Sep06.08344 4349.58344 4349.58742 8.702 Sep06.08368 4349.58368 4349.58766 8.698 Sep06.08391 4349.58391 4349.58789 8.696 Sep06.08416 4349.58416 4349.58814 8.692 Sep06.08439 4349.58439 4349.58837 8.683 Sep06.08463 4349.58463 4349.58861 8.695 Sep06.08486 4349.58486 4349.58884 8.683 Sep06.08510 4349.58510 4349.58908 8.691 Sep06.08535 4349.58535 4349.58933 8.671 Sep06.08558 4349.58558 4349.58956 8.661 Sep06.08582 4349.58582 4349.58981 8.653 Sep06.08605 4349.58605 4349.59004 8.671 Sep06.08630 4349.58630 4349.59029 8.675 Sep06.08653 4349.58653 4349.59052 8.690 Sep06.08677 4349.58677 4349.59076 8.689 Sep06.08700 4349.58700 4349.59099 8.694 Sep06.08725 4349.58725 4349.59124 8.691 Sep06.08748 4349.58748 4349.59147 8.726 Sep06.08772 4349.58772 4349.59171 8.713 Sep06.08795 4349.58795 4349.59194 8.727 Sep06.08819 4349.58819 4349.59218 8.735 Sep06.08843 4349.58843 4349.59242 8.709 Sep06.08867 4349.58867 4349.59266 8.678 Sep06.08890 4349.58890 4349.59289 8.661 Sep06.08914 4349.58914 4349.59313 8.659 Sep06.09036 4349.59036 4349.59435 8.677 Sep06.09059 4349.59059 4349.59458 8.690 Sep06.09083 4349.59083 4349.59482 8.684 Sep06.09106 4349.59106 4349.59505 8.706 Sep06.09131 4349.59131 4349.59530 8.726 Sep06.09155 4349.59155 4349.59554 8.743 Sep06.09178 4349.59178 4349.59577 8.728 Sep06.09203 4349.59203 4349.59602 8.721 Sep06.09227 4349.59227 4349.59626 8.712 Sep06.09250 4349.59250 4349.59649 8.722 Sep06.09274 4349.59274 4349.59673 8.702 Sep06.09297 4349.59297 4349.59696 8.716 Sep06.09939 4349.59939 4349.60338 8.694 Sep06.09962 4349.59962 4349.60361 8.692 Sep06.09986 4349.59986 4349.60385 8.690 Sep06.10009 4349.60009 4349.60408 8.656 Sep06.10034 4349.60034 4349.60433 8.652 Sep06.10154 4349.60154 4349.60553 8.648 Sep06.10178 4349.60178 4349.60577 8.635 Sep06.10226 4349.60226 4349.60625 8.623 Sep06.10250 4349.60250 4349.60649 8.622 Sep06.10345 4349.60345 4349.60744 8.655 Sep06.10392 4349.60392 4349.60791 8.645 Sep06.10440 4349.60440 4349.60839 8.634 Sep06.10463 4349.60463 4349.60862 8.697 Sep06.10487 4349.60487 4349.60886 8.639 Sep06.10510 4349.60510 4349.60909 8.685 Sep06.10535 4349.60535 4349.60934 8.567 Sep06.10582 4349.60582 4349.60981 8.760 Sep06.10605 4349.60605 4349.61004 8.622 Sep06.10630 4349.60630 4349.61029 8.624 Sep06.10653 4349.60653 4349.61052 8.575 Sep06.10677 4349.60677 4349.61076 8.560 Sep06.10700 4349.60700 4349.61099 8.585 Sep06.10725 4349.60725 4349.61124 8.562 Sep06.10749 4349.60749 4349.61148 8.540