Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2013-04-16	02:51:26	2456398.61905	1	-2.130	0.018	12.23	0.02
OJ 248	2013-04-16	04:00:35	2456398.66707	2	2.577	0.014	17.29	0.02
Mrk 421	2013-04-16	04:19:44	2456398.68037	1	-2.150	0.006	12.21	0.02
OJ 287	2013-04-16	04:54:30	2456398.70451	4	1.098	0.005	15.29	0.01
Mrk 421	2013-04-16	05:20:55	2456398.72285	1	-2.160	0.003	12.20	0.02
Mrk 421	2013-04-16	06:24:32	2456398.76704	1	-2.143	0.030	12.22	0.03
Mrk 421	2013-04-16	07:25:46	2456398.80955	1	-2.151	0.013	12.21	0.02
PKS1222+216	2013-04-16	07:58:44	2456398.83245	1	1.587	0.005	15.78	0.04
Mrk 421	2013-04-16	08:22:23	2456398.84888	1	-2.139	0.003	12.22	0.02
3C 279	2013-04-16	09:02:34	2456398.87678	1	3.510	0.007	15.91	0.01
Mrk 421	2013-04-16	09:29:23	2456398.89540	1	-2.139	0.003	12.22	0.02
B2 1633+382	2013-04-16	10:06:53	2456398.92145	A	2.707	0.007	16.97	0.01
Mrk 421	2013-04-16	10:27:46	2456398.93595	1	-2.122	0.012	12.24	0.02
BL Lac	2013-04-16	11:31:50	2456398.98043	B	3.025	0.017	15.96	0.02
CTA102	2013-04-16	11:53:15	2456398.99531	2	2.046	0.028	16.93	0.04