Variable star observations for May 17. Observer: Reinder J. Bouma (AAVSO-code BMU) Instruments: 25.4-cm Jones-Bird and 10x40R. Sequences: AAVSO, unless noted otherwise. Object date magn. code remarks LEOR 990517.92 7.1 BMU CAMR 990517.92 9.7 BMU UMIZ 990517.922 11.8 BMU CAMX 990517.92 9.4 BMU CAMZ 990517.924 10.7 BMU UMAER 990517.926 13.3 BMU UMAR 990517.93 7.2 BMU UMAZ 990517.93 7.6 BMU UMAS 990517.93 9.9 BMU UMAT 990517.93 9.6 BMU UMARS 990517.93 13.7 BMU CYGSS 990517.934 11.2 BMU CYGV1426 990517.93 10.4 BMU seq. H/T CYGV482 990517.937 11.0 BMU CYGchi 990517.94 12.8 BMU CYGDD 990517.94 11.7 BMU seq. Skiff CYGU 990517.94 10.4 BMU CYGR 990517.94 9.9 BMU CYGCH 990517.944 7.8 BMU CYGRT 990517.95 10.6 BMU CYGTU 990517.95 12.6 BMU CRBR 990517.955 6.1 BMU CRBT 990517.956 10.4 BMU CRBZ 990517.96 9.8 BMU CRBS 990517.96 12.1 BMU CRBW 990517.96 9.8 BMU CRBV 990517.96 8.2 BMU CRBX 990517.96 13.8 BMU CASUV 990517.964 11.0 BMU seq. H/T CASV 990517.97 11.7 BMU CASW 990517.97 11.6 BMU CASV723 990517.968 13.3 BMU CAST 990517.97 10.0 BMU CASSS 990517.97 11.5 BMU CASR 990517.97 9.7 BMU ANDZ 990517.975 10.4 BMU PERS 990517.98 10.2 BMU seq. Skiff PERU 990517.98 9.9 BMU PERDY 990517.979 11.3 BMU SN1999by 990517.982 13.5 BMU seq. Skiff VULPU 990517.983 11.6 BMU SGEV 990517.983 11.3 BMU OPHRS 990517.985 11.8 BMU CASU 990517.99 12.0 BMU CASRV 990517.99 9.9 BMU CEPS 990517.99 10.3 BMU CEPPQ 990517.99 10.7 BMU seq. H/T+GSC CEPT 990517.99 6.4 BMU CEPAX 990517.99 9.8 BMU DRAAG 990517.996 9.9 BMU DRAR 990518.00 13.0 BMU