Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2017-06-13	03:31:46	2457917.64706	1	-0.884	0.007	13.48	0.02
OJ 287	2017-06-13	03:51:43	2457917.66091	4	0.420	0.011	14.61	0.01
S4 1030+61	2017-06-13	04:30:31	2457917.68786	A	3.667	0.017
Ton 599	2017-06-13	05:11:43	2457917.71647	13	1.888	0.021	17.25	0.05
3C 279	2017-06-13	06:15:19	2457917.76064	1	3.803	0.024	16.20	0.03
3C 273	2017-06-13	06:33:52	2457917.77352	C	1.185	0.005	13.05	0.04
PKS1222+216	2017-06-13	06:54:29	2457917.78784	1	1.185	0.016	15.38	0.04
W Com	2017-06-13	07:17:01	2457917.80348	A	3.851	0.026	15.93	0.05
S3 1227+25	2017-06-13	07:38:01	2457917.81807	A	0.474	0.014
PKS1502+106	2017-06-13	08:24:39	2457917.85045	A	2.233	0.046
B2 1633+382	2017-06-13	09:08:01	2457917.88057	A	2.544	0.016	16.80	0.02
Mrk 501	2017-06-13	09:28:49	2457917.89501	A	1.300	0.004	13.91	0.01
BL Lac	2017-06-13	09:44:24	2457917.90583	B	0.907	0.003	13.85	0.01
CTA102	2017-06-13	10:03:52	2457917.91935	2	1.223	0.024	16.10	0.04
3C 454.3	2017-06-13	10:24:29	2457917.93367	4	2.369	0.024	16.20	0.04
PKS2155-304	2017-06-13	10:58:36	2457917.95736	2	1.540	0.015	13.58	0.02