Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2012-05-17	03:32:28	2456064.64755	1	-1.694	0.003	12.67	0.02
OJ 287	2012-05-17	03:51:29	2456064.66075	4	-0.108	0.004	14.08	0.01
PKS1244-255	2012-05-17	04:31:29	2456064.68853	A	2.373	0.015
3C 279	2012-05-17	05:05:48	2456064.71236	1	3.080	0.005	15.48	0.01
Ton 599	2012-05-17	06:57:56	2456064.79023	13	0.428	0.009	15.79	0.04
PKS1222+216	2012-05-17	07:35:28	2456064.81630	1	1.448	0.006	15.64	0.04
W Com	2012-05-17	07:58:30	2456064.83229	A	3.516	0.005	15.60	0.04
PKS1510-08	2012-05-17	08:32:08	2456064.85565	1	4.861	0.013	16.46	0.03
B2 1633+382	2012-05-17	09:14:46	2456064.88525	A	3.164	0.015	17.42	0.02
Mrk 501	2012-05-17	09:32:03	2456064.89726	A	1.356	0.003	13.97	0.01
B2 1846+32A	2012-05-17	10:14:23	2456064.92666	A	4.960	0.022
BL Lac	2012-05-17	10:37:37	2456064.94279	B	1.428	0.014	14.37	0.01
CTA102	2012-05-17	11:01:07	2456064.95911	2	1.915	0.016	16.79	0.03
PKS2155-304	2012-05-17	11:28:11	2456064.97791	2	2.173	0.020	14.21	0.02