Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
PKS1510-08	2013-07-04	06:34:01	2456477.77362	1	5.109	0.018	16.71	0.03
B2 1633+382	2013-07-04	07:14:20	2456477.80162	A	2.617	0.009	16.88	0.01
Mrk 501	2013-07-04	07:31:49	2456477.81376	A	1.366	0.020	13.98	0.02
1ES1959+650	2013-07-04	09:08:11	2456477.88068	2	2.140	0.002	15.00	0.02
BL Lac	2013-07-04	09:29:13	2456477.89529	B	1.905	0.002	14.84	0.01
3C 454.3	2013-07-04	09:51:18	2456477.91063	4	1.763	0.014	15.59	0.03
PKS2155-304	2013-07-04	11:31:30	2456477.98021	2	1.844	0.057	13.88	0.06