Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2018-06-20	03:56:37	2458289.66432	4	0.737	0.010	14.93	0.01
Mrk 421	2018-06-20	04:17:07	2458289.67855	1	-0.537	0.009	13.82	0.02
3C 279	2018-06-20	04:36:20	2458289.69190	1	2.934	0.005	15.33	0.01
Ton 599	2018-06-20	05:00:35	2458289.70874	13	0.948	0.011	16.31	0.04
W Com	2018-06-20	05:22:27	2458289.72392	A	2.872	0.004	14.95	0.04
PKS1510-08	2018-06-20	07:35:31	2458289.81633	1	5.007	0.013	16.61	0.03
PKS1502+106	2018-06-20	08:15:39	2458289.84420	A	2.256	0.012
PG1553+113	2018-06-20	08:33:39	2458289.85670	A	0.152	0.003
B2 1633+382	2018-06-20	08:57:18	2458289.87313	A	2.039	0.008	16.30	0.01
Mrk 501	2018-06-20	09:13:03	2458289.88406	A	1.288	0.002	13.90	0.01
1ES1959+650	2018-06-20	09:29:30	2458289.89549	2	1.338	0.002	14.20	0.02
BL Lac	2018-06-20	09:44:59	2458289.90624	B	0.762	0.001	13.70	0.01
CTA102	2018-06-20	10:04:43	2458289.91994	2	1.322	0.005	16.20	0.03
3C 454.3	2018-06-20	10:22:52	2458289.93255	4	2.452	0.006	16.28	0.03
PKS2155-304	2018-06-20	10:38:56	2458289.94370	2	1.707	0.004	13.75	0.01
3C 66A	2018-06-20	10:57:13	2458289.95640	A	1.745	0.005	15.39	0.02
4C 28.07	2018-06-20	11:15:39	2458289.96920	A	2.273	0.026