Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2012-05-16	03:30:15	2456063.64601	1	-1.715	0.003	12.65	0.02
OJ 287	2012-05-16	03:49:34	2456063.65942	4	-0.056	0.004	14.13	0.01
PKS1244-255	2012-05-16	05:16:20	2456063.71968	A	2.130	0.011
3C 273	2012-05-16	05:34:10	2456063.73206	C	0.875	0.002	12.75	0.04
Ton 599	2012-05-16	06:00:02	2456063.75002	13	0.134	0.008	15.49	0.04
3C 279	2012-05-16	06:34:11	2456063.77374	1	3.070	0.005	15.47	0.01
PKS1222+216	2012-05-16	07:08:13	2456063.79737	1	1.416	0.005	15.61	0.04
W Com	2012-05-16	07:29:29	2456063.81214	A	3.353	0.004	15.43	0.04
PKS1510-08	2012-05-16	08:34:46	2456063.85748	1	4.842	0.008	16.44	0.03
PG1553+113	2012-05-16	08:56:21	2456063.87247	A	0.059	0.003
B2 1633+382	2012-05-16	09:42:10	2456063.90428	A	2.888	0.010	17.15	0.01
Mrk 501	2012-05-16	09:59:21	2456063.91622	A	1.359	0.003	13.97	0.01
BL Lac	2012-05-16	10:21:57	2456063.93190	B	0.742	0.002	13.68	0.01
3C 454.3	2012-05-16	10:46:11	2456063.94874	4	2.782	0.012	16.61	0.03
PKS2155-304	2012-05-16	11:28:51	2456063.97837	2	2.122	0.016	14.16	0.02