Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2013-05-10	03:27:21	2456422.64399	1	-2.090	0.007	12.27	0.02
3C 279	2013-05-10	06:04:51	2456422.75336	1	3.547	0.005	15.95	0.01
PKS1222+216	2013-05-10	06:32:21	2456422.77246	1	1.564	0.037	15.75	0.04
PKS1510-08	2013-05-10	06:59:49	2456422.79153	1	5.005	0.008	16.61	0.03
B2 1633+382	2013-05-10	08:02:11	2456422.83484	A	2.698	0.008	16.96	0.01
Mrk 501	2013-05-10	08:20:54	2456422.84785	A	1.356	0.002	13.97	0.01
1ES1959+650	2013-05-10	09:58:57	2456422.91594	2	2.250	0.003	15.11	0.02
BL Lac	2013-05-10	10:21:00	2456422.93124	B	2.642	0.004	15.58	0.01
CTA102	2013-05-10	10:47:07	2456422.94938	2	2.175	0.012	17.06	0.03
3C 454.3	2013-05-10	11:10:50	2456422.96586	4	2.242	0.006	16.07	0.03
PKS2155-304	2013-05-10	11:31:23	2456422.98012	2	1.646	0.007	13.69	0.01