Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
TXS0506+056	2018-04-12	03:48:13	2458220.65848	A	0.319	0.009
VER J0521+211	2018-04-12	04:17:53	2458220.67909	A	2.597	0.020
PKS0736+01	2018-04-12	04:53:13	2458220.70362	1	4.160	0.016	16.57	0.04
OJ 248	2018-04-12	05:43:36	2458220.73861	2	2.444	0.014	17.15	0.02
OJ 287	2018-04-12	06:12:41	2458220.75881	4	0.853	0.006	15.04	0.01
Mrk 421	2018-04-12	07:47:16	2458220.82449	1	-1.131	0.010	13.23	0.02
3C 279	2018-04-12	08:09:58	2458220.84025	1	2.979	0.007	15.38	0.01
3C 273	2018-04-12	08:28:18	2458220.85299	C	1.229	0.009	13.10	0.04
Ton 599	2018-04-12	08:52:08	2458220.86954	13	0.146	0.009	15.51	0.04
W Com	2018-04-12	09:11:55	2458220.88328	A	3.080	0.013	15.16	0.04
PKS1222+216	2018-04-12	09:37:26	2458220.90100	1	1.372	0.042	15.56	0.06
S3 1227+25	2018-04-12	10:06:49	2458220.92140	A	2.136	0.012
PKS1510-08	2018-04-12	10:33:26	2458220.93988	1	4.925	0.014	16.53	0.03
PKS1502+106	2018-04-12	11:14:11	2458220.96818	A	2.151	0.049
B2 1633+382	2018-04-12	11:44:06	2458220.98896	A	2.754	0.016	17.01	0.02
BL Lac	2018-04-12	12:02:42	2458221.00188	B	1.019	0.010	13.96	0.01
PG1553+113	2018-04-12	12:16:18	2458221.01132	A	0.150	0.015