Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 501	2017-10-21	02:04:10	2458047.58623	A	1.300	0.007	13.91	0.01
PG1553+113	2017-10-21	02:21:35	2458047.59832	A	0.059	0.041
PKS2155-304	2017-10-21	02:40:34	2458047.61150	2	1.648	0.023	13.69	0.02
PKS2023-07	2017-10-21	03:26:14	2458047.64322	A	5.795	0.034
BL Lac	2017-10-21	03:47:58	2458047.65831	B	0.850	0.003	13.79	0.01
PMN J2345-1555	2017-10-21	06:13:38	2458047.75947	A	-0.112	0.052
CTA102	2017-10-21	08:39:37	2458047.86084	2	1.348	0.020	16.23	0.04
3C 454.3	2017-10-21	09:01:18	2458047.87590	4	2.312	0.017	16.14	0.03
MG1 J021114+1051	2017-10-21	09:25:50	2458047.89294	A	0.115	0.010
3C 66A	2017-10-21	09:46:47	2458047.90749	A	1.447	0.013	15.10	0.02
TXS0506+056	2017-10-21	10:03:54	2458047.91938	A	0.294	0.005
S4 1030+61	2017-10-21	10:30:36	2458047.93792	A	3.206	0.012
PKS0736+01	2017-10-21	10:59:35	2458047.95804	1	4.202	0.017	16.61	0.04
OJ 287	2017-10-21	11:21:53	2458047.97353	4	1.667	0.011	15.86	0.01
4C 28.07	2017-10-21	11:59:36	2458047.99972	A	3.843	0.023
Ton 599	2017-10-21	12:24:16	2458048.01685	13	0.253	0.016	15.61	0.04
Mrk 421	2017-10-21	12:39:56	2458048.02773	1	-1.127	0.006	13.23	0.02