Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
1ES2344+514	2010-02-19	02:36:40	2455246.60879	A	2.932	0.004
AO0235+164	2010-02-19	03:38:28	2455246.65171	4	5.518	0.023	18.55	0.02
PKS0454-234	2010-02-19	04:22:56	2455246.68259	A	5.092	0.008
3C 66A	2010-02-19	04:45:03	2455246.69795	A	0.414	0.002	14.07	0.01
PKS0420-014	2010-02-19	05:09:43	2455246.71508	2	3.618	0.008	16.72	0.02
4C 14.23	2010-02-19	05:50:15	2455246.74323	A	3.312	0.014
PKS0735+178	2010-02-19	06:15:43	2455246.76091	A	2.947	0.006	16.35	0.04
S5 0716+714	2010-02-19	06:31:51	2455246.77212	10	1.997	0.001	13.46	0.01
PKS1222+216	2010-02-19	06:47:18	2455246.78285	1	0.772	0.004	14.96	0.04
OJ 248	2010-02-19	07:19:42	2455246.80535	2	2.514	0.010	17.22	0.02
OJ 287	2010-02-19	09:41:05	2455246.90353	4	0.152	0.002	14.34	0.01
PKS1222+216	2010-02-19	09:59:21	2455246.91621	1	0.746	0.002	14.94	0.03
Mrk 421	2010-02-19	10:07:38	2455246.92197	1	-1.178	0.001	13.18	0.01
W Com	2010-02-19	10:15:17	2455246.92727	A	3.332	0.003	15.41	0.03