Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
3C 273	2015-04-13	07:40:51	2457125.82003	C	1.202	0.007	13.07	0.04
3C 279	2015-04-13	08:10:11	2457125.83086	1	3.625	0.013	16.02	0.02
Mrk 421	2015-04-13	08:20:19	2457125.84744	1	-1.387	0.034	12.97	0.04
W Com	2015-04-13	09:14:45	2457125.88953	A	3.551	0.027	15.63	0.05
PKS1222+216	2015-04-13	08:46:00	2457125.89076	1	0.805	0.011	14.99	0.04
PKS1510-08	2015-04-13	09:40:42	2457125.90326	1	3.788	0.008	15.39	0.03
B2 1633+382	2015-04-13	11:18:41	2457125.97131	A	2.705	0.010	16.96	0.01
Mrk 501	2015-04-13	11:34:15	2457125.98212	A	1.262	0.002	13.87	0.01
BL Lac	2015-04-13	11:50:00	2457125.99037	B	0.874	0.026	13.81	0.03