BELGIAN ASTRONOMICAL SOCIETY V.V.S. - Working Group Variable Stars Cataclysmic Variables Circular No.113 1996, November 28 Ed.: T. Vanmunster, Walhostraat 1A, 3401 Landen, BELGIUM Internet: tvanmuns@innet.be TEL. 32-11-831504 =================================================================== IP Peg [UGSS+E, 12.0B - 16.6B] ============================== This object has been independently discovered in outburst by Gary Poyner, UK, B. Granslo, Norway and P. Dombrowski, USA. Available observations : 1996 Nov 23.797 UT, [13.8 (G. Poyner, 0.40-m refl., seq: Skiff); Nov 27.865 UT, 12.5 (G. Poyner); Nov 27.95 UT, 12.7: (B. Granslo, 0.20-m SCT, seq: VSNET, glimpsed); Nov 27.953 UT, 12.4 (B. Worraker, 0.26-m refl., seq: TA); Nov 27.960 UT, 11.9 (P. Dombrowski, AAVSO NF 79); IP Peg was last seen in outburst on September 17, 1996 by Taichi Kato, Japan [CVC 110]. Bill Worraker, Didcot, UK is heading an international observing project on IP Peg (a TA/BAAVSS initiative), to study the eclipse behaviour of this dwarf nova. Observers are strongly encouraged to send their eclipse timings (with full details on sequence and comparison stars) to Bill Worraker (bill.worraker@aea.orgn.uk). V632 Cyg [UGSS, 12.6p - 17.5p] ============================== This UGSS-type dwarf nova, which is part of the TA/BAAVSS Recurrent Objects Program, was independently reported in outburst by R. Stewart, USA, L. Szentasko, Hungary and G. Poyner, UK on November 12, 1996. The short and faint outburst received poor photometric coverage, as indicated by the table below : ------------------------------------------- DATE (UT) MAGN MS OBSERVER ------------------------------------------- 1996 11 06.864 [15.3 mv Vanmunster 1996 11 06.947 [14.6 mv Poyner 1996 11 12.028 14.6 mv Stewart 1996 11 12.725 14.3 mv Szentasko 1996 11 12.819 14.9 mv Poyner 1996 11 12.903 14.8 mv Poyner 1996 11 13.840 14.9: mv Poyner 1996 11 14.715 [16.3 CU Jensen 1996 11 14.894 15.3: mv Vanmunster DO Dra [UG, 10.0B - 15.1B] ========================== The outburst of DO Dra, reported in CVC 112, has received a lot of visual and CCD coverage. Time-series CCD photometry observations were submitted by Lasse Jensen, Center for Backyard Astrophysics CBA Denmark and by Tonny Vanmunster, Center for Backyard Astrophysics CBA Belgium. Visual photometry results are reported below. ------------------------------------------- DATE (UT) MAGN MS OBSERVER ------------------------------------------- 1996 10 15.766 [14.3 mv Poyner 1996 10 15.824 [12.4 mv Gill 1996 10 16.784 12.7 mv Poyner 1996 10 16.787 12.0 CU Vanmunster 1996 10 16.817 12.3 mv Poyner 1996 10 16.818 11.6: mv Broens 1996 10 16.841 12.2 mv Poyner 1996 10 16.857 12.2 mv Poyner 1996 10 16.878 11.3 mv Vanmunster 1996 10 16.880 12.1 mv Poyner 1996 10 16.906 12.0 mv Poyner 1996 10 16.91 11.4 mv Pietz 1996 10 16.92 11.8 mv Pietz 1996 10 16.948 12.0 mv Poyner 1996 10 16.956 11.1 mv Gill 1996 10 17.014 11.9 mv Poyner 1996 10 17.056 11.9 mv Poyner 1996 10 17.096 10.5 mv Hagar 1996 10 17.097 10.4 mv Adams 1996 10 17.197 10.4 mv Worraker 1996 10 17.642 10.6 mv Watanabe 1996 10 17.75 10.9 mv Pietz 1996 10 17.774 10.3 mv Poyner 1996 10 17.776 10.7 mv Schmeer 1996 10 17.806 10.3 mv Broens 1996 10 17.84 10.8 mv Pietz 1996 10 17.90 10.8 mv Pietz 1996 10 17.901 10.4 mv Bouma 1996 10 17.955 10.9 mv Poyner 1996 10 17.967 10.83 CU Jensen 1996 10 19.978 11.63 CU Jensen 1996 10 17.98 10.3 mv Dyck 1996 10 18.076 11.0 mv Poyner 1996 10 18.081 10.6 mv Hanson 1996 10 18.760 11.2 mv Schmeer 1996 10 18.811 10.7 mv Granslo 1996 10 18.823 10.9 mv Itoh 1996 10 18.999 10.8 mv Brincat 1996 10 19.749 10.9 mv Moeller 1996 10 19.754 11.6 mv Schmeer 1996 10 19.770 11.3 mv Bouma 1996 10 19.77 11.6 mv Pietz 1996 10 20.386 11.7 mv Itoh 1996 10 20.740 11.9 mv Koyama 1996 10 20.811 12.44 CV Ouda Team 1996 10 21.160 13.1 mv Hanson 1996 10 21.676 14.08 CV Koshiro 1996 10 21.76 13.7 mv Pietz 1996 10 22.083 [13.2 mv Hanson 1996 10 22.163 [13.5 mv Bouma 1996 10 22.422 [14.4 mv Itoh 1996 10 22.81 [13.0 mv Granslo 1996 10 22.822 14.76 CV Ouda Team 1996 10 23.764 [14.4 mv Poyner 1996 10 26.051 14.9: mv Poyner Tonny Vanmunster