Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
OJ 248	2017-10-17	10:48:15	2458043.95017	2	2.520	0.023	17.23	0.03
OJ 248	2017-12-14	08:08:59	2458101.83957	2	2.530	0.013	17.24	0.02
OJ 248	2018-01-13	09:14:44	2458131.88523	2	2.445	0.014	17.16	0.02
OJ 248	2018-01-23	09:12:20	2458141.88356	2	2.492	0.007	17.20	0.02
OJ 248	2018-02-09	08:41:21	2458158.86205	2	2.464	0.008	17.17	0.02
OJ 248	2018-03-07	05:41:09	2458184.73691	2	2.492	0.045	17.20	0.05
OJ 248	2018-04-08	04:51:43	2458216.70258	2	2.468	0.013	17.18	0.02
OJ 248	2018-04-12	05:43:36	2458220.73861	2	2.444	0.014	17.15	0.02
OJ 248	2018-05-12	05:15:16	2458250.71894	2	2.395	0.024	17.11	0.03
OJ 248	2018-05-16	04:30:09	2458254.68760	2	2.459	0.019	17.17	0.03