Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2017-05-15	03:11:12	2457888.63278	1	-0.897	0.005	13.46	0.02
OJ 287	2017-05-15	03:30:36	2457888.64625	4	0.177	0.006	14.37	0.01
3C 279	2017-05-15	03:51:34	2457888.66081	1	3.078	0.007	15.48	0.01
Ton 599	2017-05-15	04:20:30	2457888.68090	13	1.479	0.011	16.84	0.04
PKS1502+106	2017-05-15	05:50:30	2457888.74340	A	2.904	0.054
W Com	2017-05-15	06:17:31	2457888.76216	A	3.591	0.011	15.67	0.04
PKS1510-08	2017-05-15	07:32:16	2457888.81407	1	4.732	0.018	16.33	0.03
PKS1222+216	2017-05-15	07:42:51	2457888.82142	1	1.238	0.010	15.43	0.04
S3 1227+25	2017-05-15	07:50:49	2457888.82696	A	1.077	0.014
B2 1633+382	2017-05-15	08:36:38	2457888.85877	A	2.915	0.024	17.17	0.03
Mrk 501	2017-05-15	08:58:36	2457888.87403	A	1.342	0.004	13.95	0.01
BL Lac	2017-05-15	10:26:47	2457888.93527	B	1.343	0.005	14.28	0.01
CTA102	2017-05-15	10:47:01	2457888.94932	2	0.336	0.015	15.22	0.03
3C 454.3	2017-05-15	11:05:42	2457888.96229	4	2.279	0.017	16.11	0.03
PKS2155-304	2017-05-15	11:33:43	2457888.98175	2	1.291	0.012	13.33	0.02