Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2012-04-25	03:43:30	2456042.65521	4	0.282	0.004	14.47	0.01
Mrk 421	2012-04-25	05:11:38	2456042.71641	1	-1.622	0.056	12.74	0.06
3C 273	2012-04-25	05:27:49	2456042.72765	C	0.856	0.007	12.73	0.04
PKS1244-255	2012-04-25	06:44:05	2456042.78061	A	2.289	0.013
3C 279	2012-04-25	07:20:40	2456042.80602	1	3.341	0.006	15.74	0.01
PKS1510-08	2012-04-25	09:32:29	2456042.89755	1	4.740	0.011	16.34	0.03
PKS1222+216	2012-04-25	09:42:08	2456042.90425	1	1.727	0.011	15.92	0.04
Mrk 501	2012-04-25	10:22:27	2456042.93225	A	1.307	0.012	13.92	0.01
BL Lac	2012-04-25	11:21:41	2456042.97339	B	1.581	0.017	14.52	0.02