Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
3C 273	2013-04-10	08:47:07	2456392.86605	C	0.931	0.002	12.80	0.04
3C 279	2013-04-10	09:13:11	2456392.88415	1	3.482	0.014	15.88	0.02
Mrk 421	2013-04-10	09:33:01	2456392.89793	1	-2.305	0.013	12.05	0.02
PKS1222+216	2013-04-10	10:02:23	2456392.91832	1	1.593	0.008	15.78	0.04
PKS1510-08	2013-04-10	11:02:56	2456392.96037	1	5.012	0.023	16.61	0.03
B2 1633+382	2013-04-10	11:43:14	2456392.98836	A	2.742	0.019	17.00	0.02