------------------------------------------------------ PHOTOMETRIC CCD OBSERVATIONS OF VARIABLE STARS ------------------------------------------------------ CENTER FOR BACKYARD ASTROPHYSICS (CBA) DENMARK Observer : Lasse Teist Jensen Address : Suhrs Alle 5, DK - 3520 Farum , Denmark E-mail : ltj@tt.dk CBA Denmark Page: http://vsnet.astro.columbia.edu/~cba/dk Instruments: 0.25-m f/6.3 SCT , ST-6 SBIG CCD Dear Colleagues, Selected CCD results: 0658+12 GH GEM 2450510.2625 1997-03-02 0.7625 12.5 1027+59 DW UMA 2450511.3451 1997-03-03 0.8451 15.58, eclipse timing 1133+03 T LEO 2450511.5034 1997-03-04 0.0034 10.92, superhump maximum 1133+03 T LEO 2450511.5618 1997-03-04 0.0618 10.93, superhump maximum 1854+30 DM LYR 2450511.6118 1997-03-04 0.1118 14.75 0837+28 EG CNC 2450511.2673 1997-03-03 0.7673 <16.5 0103+59 HT CAS 2450511.2493 1997-03-03 0.7493 16.4 0243+37 PY PER 2450511.3034 1997-03-03 0.8034 13.6 0543+19 SU TAU 2450511.2625 1997-03-03 0.7625 14.1 1807+69 3C 371 2450514.6937 1997-03-07 0.1937 15.05 1841+37 AY LYR 2450514.6965 1997-03-07 0.1965 <14.9 1830+24A CH HER 2450514.7000 1997-03-07 0.2000 <16.0 1848+26 CY LYR 2450514.6979 1997-03-07 0.1979 <16.0 1854+30 DM LYR 2450514.6763 1997-03-07 0.1763 15.0 1831+38 LL LYR 2450514.6958 1997-03-07 0.1958 <15.5 1904+43 MV LYR 2450514.6777 1997-03-07 0.1777 14.0 1958+56 V1028 CYG 2450514.6895 1997-03-07 0.1895 <16.3 2137+48 V1251 CYG 2450514.6868 1997-03-07 0.1868 <16.0 2008+42 V1316 CYG 2450514.6847 1997-03-07 0.1847 14.3 1925+42 V1504 CYG 2450514.6881 1997-03-07 0.1881 <15.3 1841+43 V344 LYR 2450514.6826 1997-03-07 0.1826 15.3 1817+38 V391 LYR 2450514.6812 1997-03-07 0.1812 <16.0 1858+42 V493 LYR 2450514.6791 1997-03-07 0.1791 <16.4 1947+58 V542 CYG 2450514.6902 1997-03-07 0.1902 <15.6 1930+31 V795 CYG 2450514.6854 1997-03-07 0.1854 <16.4 1556+33 VAR21 CRB 2450514.6749 1997-03-07 0.1749 <17.2 1621+39 VAR43 HER 2450514.6715 1997-03-07 0.1715 <17.0 1133+03 T LEO 2450515.3888 1997-03-07 0.8888 13.9 1048+30 SX LMI 2450515.3847 1997-03-07 0.8847 <15.3 0000+00 AQ CMI 2450515.3729 1997-03-07 0.8729 <16.0 0849+11 AK CNC 2450515.3645 1997-03-07 0.8645 <16.3 1147+49 BC UMA 2450515.3604 1997-03-07 0.8604 <16.0 0956+34 RU LMI 2450515.3541 1997-03-07 0.8541 16.1, VSNET sequence 0542+22 V421 TAU 2450515.3499 1997-03-07 0.8499 <15.5 0945+34 RZ LMI 2450515.3520 1997-03-07 0.8520 14.55 0543+19 SU TAU 2450515.3486 1997-03-07 0.8486 14.0 0829+53 SW UMA 2450515.3347 1997-03-07 0.8347 <15.6 0641+28 IR GEM 2450515.3291 1997-03-07 0.8291 <16.0 0716+28 AW GEM 2450515.3284 1997-03-07 0.8284 <16.5 0309+42 QY PER 2450515.3229 1997-03-07 0.8229 <15.8 0905+51 DI UMA 2450515.3187 1997-03-07 0.8187 <16.0 1051+50 CY UMA 2450515.3166 1997-03-07 0.8166 <16.0 0837+28 EG CNC 2450515.3104 1997-03-07 0.8104 <16.5 0632+18 UV GEM 2450515.3076 1997-03-07 0.8076 <16.3 0611+15 CZ ORI 2450515.3062 1997-03-07 0.8062 15.05 0631+00 CW MON 2450515.3041 1997-03-07 0.8041 16.7 0623+22 CI GEM 2450515.3006 1997-03-07 0.8006 <16.6 0609+28 KR AUR 2450515.2993 1997-03-07 0.7993 14.7 0541+28 FS AUR 2450515.2979 1997-03-07 0.7979 16.4 Regards Lasse Teist Jensen (JLT)