Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2018-06-19	03:59:28	2458288.66630	4	0.755	0.011	14.94	0.02
Mrk 421	2018-06-19	04:23:57	2458288.68330	1	-0.559	0.003	13.80	0.02
S4 1030+61	2018-06-19	05:12:53	2458288.71728	A	5.941	0.057
3C 279	2018-06-19	05:35:05	2458288.73270	1	2.713	0.009	15.11	0.01
3C 273	2018-06-19	05:50:03	2458288.74309	C	1.230	0.001	13.10	0.04
Ton 599	2018-06-19	06:12:49	2458288.75890	13	0.936	0.013	16.30	0.04
PKS1222+216	2018-06-19	06:33:41	2458288.77339	1	1.389	0.006	15.58	0.04
W Com	2018-06-19	06:51:11	2458288.78554	A	2.833	0.004	14.91	0.04
S3 1227+25	2018-06-19	07:13:32	2458288.80106	A	1.798	0.007
PKS1510-08	2018-06-19	07:47:46	2458288.82484	1	5.006	0.009	16.61	0.03
PKS1502+106	2018-06-19	08:27:21	2458288.85233	A	2.282	0.014
PG1553+113	2018-06-19	08:44:37	2458288.86432	A	0.196	0.002
B2 1633+382	2018-06-19	09:12:06	2458288.88340	A	2.183	0.005	16.44	0.01
Mrk 501	2018-06-19	09:27:54	2458288.89438	A	1.293	0.004	13.90	0.01
1ES1959+650	2018-06-19	09:49:38	2458288.90947	2	1.371	0.002	14.23	0.02
BL Lac	2018-06-19	10:15:15	2458288.92726	B	0.656	0.001	13.60	0.01
CTA102	2018-06-19	10:34:42	2458288.94076	2	1.516	0.014	16.40	0.03
3C 454.3	2018-06-19	10:52:16	2458288.95296	4	2.453	0.007	16.28	0.03
PKS2155-304	2018-06-19	11:05:38	2458288.96225	2	1.695	0.003	13.74	0.01