Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2013-05-09	04:33:27	2456421.68990	4	0.654	0.004	14.84	0.01
W Com	2013-05-09	07:18:28	2456421.80448	A	3.794	0.004	15.87	0.04
3C 279	2013-05-09	08:25:57	2456421.85135	1	3.546	0.006	15.95	0.01
B2 1633+382	2013-05-09	09:03:21	2456421.87733	A	2.742	0.017	17.00	0.02
Mrk 501	2013-05-09	09:19:09	2456421.88829	A	1.355	0.003	13.97	0.01
BL Lac	2013-05-09	10:24:26	2456421.93363	B	2.528	0.003	15.47	0.01
CTA102	2013-05-09	10:50:47	2456421.95193	2	2.180	0.012	17.06	0.03
3C 454.3	2013-05-09	11:14:05	2456421.96811	4	2.275	0.013	16.10	0.03
1ES2344+514	2013-05-09	11:33:11	2456421.98137	A	2.892	0.020	15.50	0.04