Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2017-05-23	03:12:52	2457896.63394	1	-0.781	0.007	13.58	0.02
OJ 287	2017-05-23	03:32:23	2457896.64749	4	0.317	0.011	14.51	0.01
S4 1030+61	2017-05-23	03:51:19	2457896.66064	A	4.194	0.025
W Com	2017-05-23	05:35:58	2457896.73331	A	3.555	0.018	15.63	0.04
PKS1222+216	2017-05-23	05:43:32	2457896.73856	1	1.248	0.009	15.44	0.04
3C 279	2017-05-23	05:51:38	2457896.74419	1	3.246	0.013	15.65	0.02
Mrk 501	2017-05-23	07:23:29	2457896.80797	A	1.340	0.015	13.95	0.02
S3 1227+25	2017-05-23	07:32:25	2457896.81418	A	0.735	0.008
PKS1510-08	2017-05-23	07:42:02	2457896.82086	1	4.745	0.013	16.34	0.03
PG1553+113	2017-05-23	07:51:01	2457896.82709	A	0.147	0.005
B2 1633+382	2017-05-23	08:02:47	2457896.83527	A	2.803	0.016	17.06	0.02
BL Lac	2017-05-23	10:14:01	2457896.92640	B	1.099	0.003	14.04	0.01
CTA102	2017-05-23	10:21:14	2457896.93141	2	0.500	0.018	15.38	0.03
3C 454.3	2017-05-23	10:57:00	2457896.95625	4	2.391	0.015	16.22	0.03
PKS2155-304	2017-05-23	11:27:25	2457896.97737	2	1.479	0.016	13.52	0.02