Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
3C 273	2012-06-20	03:38:59	2456098.65207	C	0.929	0.002	12.80	0.04
Mrk 421	2012-06-20	03:57:12	2456098.66472	1	-1.994	0.003	12.37	0.02
3C 279	2012-06-20	05:22:58	2456098.72428	1	3.477	0.008	15.88	0.01
Ton 599	2012-06-20	05:56:24	2456098.74750	13	0.566	0.011	15.93	0.04
W Com	2012-06-20	07:01:20	2456098.79259	A	3.636	0.007	15.72	0.04
PKS1510-08	2012-06-20	07:34:47	2456098.81582	1	4.958	0.013	16.56	0.03
Mrk 501	2012-06-20	07:52:17	2456098.82797	A	1.345	0.003	13.95	0.01
BL Lac	2012-06-20	08:15:26	2456098.84405	B	1.667	0.006	14.61	0.01
3C 454.3	2012-06-20	08:51:57	2456098.86941	4	2.836	0.010	16.67	0.03
TXS2159+505	2012-06-20	09:41:20	2456098.90370	A	6.186	0.038
PKS2233-148	2012-06-20	10:37:20	2456098.94259	A	2.162	0.006
PMN J2345-1555	2012-06-20	10:53:39	2456098.95392	A	-1.067	0.024
PKS2155-304	2012-06-20	11:10:56	2456098.96593	2	1.729	0.003	13.77	0.01