Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
BL Lac	2016-10-28	02:51:44	2457689.61926	B	0.932	0.003	13.87	0.01
BL Lac	2016-10-28	05:35:35	2457689.73304	B	0.948	0.004	13.89	0.01
BL Lac	2016-10-28	08:31:30	2457689.85521	B	0.917	0.032	13.86	0.03