Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2017-05-25	03:12:06	2457898.63340	1	-0.854	0.012	13.51	0.02
OJ 287	2017-05-25	04:06:53	2457898.67145	4	0.302	0.008	14.49	0.01
OJ 248	2017-05-25	04:52:22	2457898.70303	2	2.293	0.034	17.00	0.04
S4 1030+61	2017-05-25	05:34:53	2457898.73256	A	3.828	0.019
PKS1502+106	2017-05-25	08:53:32	2457898.87051	A	2.260	0.026
BL Lac	2017-05-25	10:15:51	2457898.92767	B	0.995	0.005	13.93	0.01