Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
PKS1502+106	2017-09-21	02:52:00	2458017.61944	A	0.882	0.023
PG1553+113	2017-09-21	03:39:06	2458017.65215	A	0.170	0.007
Mrk 501	2017-09-21	03:59:07	2458017.66605	A	1.325	0.003	13.93	0.01
PKS2023-07	2017-09-21	04:36:28	2458017.69199	A	4.726	0.016
PKS2155-304	2017-09-21	04:57:03	2458017.70628	2	1.611	0.004	13.65	0.01
4C 28.07	2017-09-21	11:45:46	2458017.99012	A	3.496	0.026
OJ 287	2017-09-21	12:02:03	2458018.00142	4	1.327	0.017	15.52	0.02
MG1 J021114+1051	2017-09-21	12:17:37	2458018.01223	A	0.388	0.021