Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2013-05-15	03:21:06	2456427.63965	1	-2.041	0.002	12.32	0.02
S5 0716+714	2013-05-15	03:46:11	2456427.65707	10	2.494	0.002	13.95	0.01
OJ 248	2013-05-15	04:27:51	2456427.68601	2	2.491	0.015	17.20	0.02
OJ 287	2013-05-15	04:47:16	2456427.69949	4	0.662	0.005	14.85	0.01
3C 273	2013-05-15	05:03:25	2456427.71071	C	0.939	0.002	12.81	0.04
3C 279	2013-05-15	05:30:49	2456427.72973	1	3.677	0.006	16.08	0.01
Mrk 421	2013-05-15	07:01:07	2456427.79244	1	-2.028	0.005	12.33	0.02
PKS1222+216	2013-05-15	07:28:34	2456427.81150	1	1.601	0.005	15.79	0.04
W Com	2013-05-15	07:51:14	2456427.82725	A	4.090	0.006	16.17	0.04
PKS1510-08	2013-05-15	08:18:44	2456427.84634	1	5.092	0.009	16.69	0.03
B2 1633+382	2013-05-15	08:58:32	2456427.87398	A	2.676	0.007	16.94	0.01
Mrk 501	2013-05-15	09:16:34	2456427.88650	A	1.363	0.005	13.97	0.01
BL Lac	2013-05-15	09:39:59	2456427.90276	B	2.231	0.002	15.17	0.01
3C 454.3	2013-05-15	11:13:47	2456427.96791	4	2.309	0.007	16.14	0.03
PKS2155-304	2013-05-15	11:29:55	2456427.97910	2	1.577	0.026	13.62	0.03