Object	UT Date	UT	JD	Comp Star	ΔR	σ(ΔR)	R	σ(R)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
3C 279	2018-02-17	10:51:32	2458166.95245	1	3.104	0.036	15.13	0.04
3C 279	2018-02-18	12:22:47	2458168.01582	1	2.984	0.006	15.01	0.01
3C 66A	2018-02-21	02:28:15	2458170.60295	A	1.415	0.007	14.77	0.01
4C 28.07	2018-02-21	03:05:14	2458170.62863	A	2.583	0.010
Mrk 421	2018-02-17	11:41:33	2458166.98719	1	-1.408	0.029	12.63	0.03
Mrk 421	2018-02-18	13:09:37	2458168.04834	1	-1.354	0.006	12.69	0.02
Mrk 421	2018-02-21	04:39:14	2458170.69391	1	-1.339	0.006	12.70	0.02
OJ 287	2018-02-21	04:17:53	2458170.67909	4	0.706	0.005	14.42	0.01
PKS0736+01	2018-02-21	03:58:25	2458170.66557	1	3.810	0.007	15.49	0.04
PKS1502+106	2018-02-18	12:49:27	2458168.03434	A	1.467	0.011
VER J0521+211	2018-02-21	03:34:55	2458170.64925	A	2.452	0.011