Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2012-04-22	03:50:54	2456039.66035	4	-0.059	0.004	14.13	0.01
OJ 248	2012-04-22	04:24:04	2456039.68338	2	2.590	0.015	17.30	0.02
Mrk 421	2012-04-22	04:54:56	2456039.70481	1	-1.645	0.003	12.71	0.02
Ton 599	2012-04-22	05:33:43	2456039.73175	13	1.081	0.006	16.44	0.04
PKS1222+216	2012-04-22	06:01:21	2456039.75094	1	1.691	0.005	15.88	0.04
W Com	2012-04-22	06:25:31	2456039.76772	A	3.054	0.004	15.13	0.04
PKS1244-255	2012-04-22	07:03:12	2456039.79389	A	2.672	0.013
OJ 287	2012-04-22	07:27:12	2456039.81056	4	-0.102	0.008	14.09	0.01
3C 273	2012-04-22	07:44:56	2456039.82287	C	0.856	0.002	12.73	0.04
3C 279	2012-04-22	08:09:02	2456039.83961	1	3.391	0.006	15.79	0.01
PKS1510-08	2012-04-22	08:35:25	2456039.85793	1	4.626	0.007	16.23	0.03
PKS1502+106	2012-04-22	09:53:22	2456039.91206	A	3.784	0.041
B2 1633+382	2012-04-22	10:33:09	2456039.93969	A	3.556	0.017	17.82	0.02
Mrk 501	2012-04-22	10:50:01	2456039.95140	A	1.314	0.002	13.92	0.01
BL Lac	2012-04-22	11:08:46	2456039.96442	B	1.663	0.003	14.60	0.01
3C 454.3	2012-04-22	11:35:13	2456039.98278	4	2.786	0.021	16.62	0.04