Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 287	2018-01-21	06:17:38	2458139.76225	4	0.728	0.011	14.92	0.01
Mrk 421	2018-01-21	06:36:11	2458139.77513	1	-1.275	0.013	13.09	0.02
Ton 599	2018-01-21	06:55:41	2458139.78867	13	0.455	0.008	15.81	0.04
VER J0521+211	2018-01-21	07:19:37	2458139.80529	A	2.830	0.011
3C 279	2018-01-21	08:46:16	2458139.86546	1	2.098	0.013	14.50	0.02
S4 1030+61	2018-01-21	09:09:48	2458139.88181	A	4.059	0.013
S3 1227+25	2018-01-21	09:31:37	2458139.89696	A	1.921	0.007
Mrk 421	2018-01-21	09:47:19	2458139.90786	1	-1.278	0.003	13.08	0.02
S5 0716+714	2018-01-21	10:27:40	2458139.93588	10	1.876	0.002	13.34	0.01
3C 279	2018-01-21	10:47:08	2458139.94940	1	2.076	0.002	14.48	0.01
W Com	2018-01-21	11:05:19	2458139.96203	A	3.170	0.009	15.25	0.04
PKS1502+106	2018-01-21	11:28:32	2458139.97815	A	1.029	0.017
PG1553+113	2018-01-21	11:44:35	2458139.98929	A	0.283	0.003
PKS1510-08	2018-01-21	12:08:04	2458140.00560	1	4.511	0.012	16.11	0.03
Ton 599	2018-01-21	12:57:11	2458140.03971	13	0.538	0.008	15.90	0.04
3C 279	2018-01-21	13:12:25	2458140.05029	1	2.062	0.003	14.46	0.01
Mrk 421	2018-01-21	13:25:49	2458140.05959	1	-1.234	0.014	13.13	0.02
Mrk 501	2018-01-21	13:39:04	2458140.06880	A	1.382	0.051	13.99	0.05