Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
PKS0454-234	2012-02-15	04:31:18	2455972.68840	A	4.227	0.040
3C 273	2012-02-15	09:13:04	2455972.88407	C	0.885	0.003	12.75	0.04
3C 279	2012-02-15	10:34:02	2455972.94030	1	2.959	0.004	15.36	0.01
PKS1222+216	2012-02-15	10:56:53	2455972.95617	1	1.731	0.005	15.92	0.04
W Com	2012-02-15	11:15:21	2455972.96899	A	2.980	0.003	15.06	0.04
PKS1510-08	2012-02-15	11:44:41	2455972.98936	1	4.675	0.009	16.28	0.03
B2 1633+382	2012-02-15	12:25:23	2455973.01762	A	3.563	0.016	17.82	0.02
Mrk 501	2012-02-15	12:42:58	2455973.02984	A	1.332	0.008	13.94	0.01