Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 501	2011-09-04	06:10:09	2455808.75704	A	1.367	0.014	13.98	0.01
PKS2155-304	2011-09-04	06:30:24	2455808.77111	2	1.647	0.004	13.69	0.01
B2 1846+32A	2011-09-04	07:36:05	2455808.81672	A	4.346	0.019
BL Lac	2011-09-04	08:03:42	2455808.83590	B	0.910	0.002	13.85	0.01
PMN J2345-1555	2011-09-04	08:44:27	2455808.86420	A	-0.701	0.019
1ES2344+514	2011-09-04	09:55:26	2455808.91349	A	2.850	0.005