Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
BZU J0742+5444	2011-04-04	03:40:20	2455655.65301	A	1.287	0.008
4C 14.23	2011-04-04	04:23:27	2455655.68295	A	2.806	0.018
OJ 248	2011-04-04	05:04:03	2455655.71115	2	2.604	0.017	17.31	0.03
OJ 287	2011-04-04	05:28:43	2455655.72828	4	0.705	0.004	14.89	0.01
PKS1124-186	2011-04-04	06:57:21	2455655.78983	A	1.226	0.017
S4 1030+61	2011-04-04	07:42:14	2455655.82100	A	3.678	0.009
Mrk 421	2011-04-04	08:02:00	2455655.83472	1	-1.768	0.002	12.59	0.02
3C 279	2011-04-04	08:39:22	2455655.86067	1	3.525	0.006	15.93	0.01
3C 273	2011-04-04	08:55:28	2455655.87185	C	0.832	0.042	12.70	0.04
PKS1222+216	2011-04-04	09:21:15	2455655.88976	1	1.511	0.006	15.70	0.04
W Com	2011-04-04	09:46:32	2455655.90731	A	3.436	0.006	15.52	0.04
PKS1510-08	2011-04-04	10:26:12	2455655.93486	1	5.353	0.016	16.95	0.03
B2 1633+382	2011-04-04	11:11:17	2455655.96617	A	2.995	0.012	17.26	0.02
Mrk 501	2011-04-04	11:33:23	2455655.98152	A	1.317	0.003	13.93	0.01
BL Lac	2011-04-04	12:09:27	2455656.00656	B	1.797	0.011	14.74	0.01