------------------------------------------------------ PHOTOMETRIC CCD OBSERVATIONS OF VARIABLE STARS ------------------------------------------------------ CENTER FOR BACKYARD ASTROPHYSICS (CBA) DENMARK Observer : Lasse Teist Jensen Address : Sdervej 38, DK - 8350 Hundslund , Denmark E-mail : ltj@cci.dk (at work) : teist@image.dk (at home) Phone : (45) 86 55 02 13 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: 0940+45 DV UMA 2451523.4118 1999-12-10 0.9118 16.26, eclipse timing 0940+45 DV UMA 2451523.4958 1999-12-10 0.9958 16.28, eclipse timing 0940+45 DV UMA 2451523.5833 1999-12-11 0.0833 16.14, eclipse timing Superhumps are clearly seen. The lightcurve can be seen at: http://home.worldonline.dk/~teist/DVUMa.html Regards Lasse Teist Jensen (JLT)