Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
BL Lac	2012-10-18	02:55:52	2456218.62212	B	2.243	0.008	15.18	0.01
CTA102	2012-10-18	04:54:01	2456218.70418	2	1.061	0.063	15.94	0.06
OJ 248	2012-10-18	12:24:48	2456219.01722	2	2.190	0.019	16.90	0.02