Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2017-06-12	03:25:28	2457916.64269	1	-0.914	0.010	13.45	0.02
OJ 287	2017-06-12	03:47:52	2457916.65824	4	0.388	0.011	14.58	0.01
S4 1030+61	2017-06-12	04:27:11	2457916.68554	A	3.508	0.033
3C 279	2017-06-12	04:52:16	2457916.70296	1	3.728	0.018	16.13	0.02
Ton 599	2017-06-12	05:39:18	2457916.73563	13	1.930	0.033	17.29	0.05
PKS1222+216	2017-06-12	06:04:01	2457916.75279	1	1.172	0.015	15.36	0.04
S3 1227+25	2017-06-12	06:24:44	2457916.76718	A	0.540	0.011
PKS1510-08	2017-06-12	06:54:31	2457916.78786	1	4.607	0.022	16.21	0.04
PG1553+113	2017-06-12	07:11:31	2457916.79966	A	0.156	0.007
B2 1633+382	2017-06-12	07:51:24	2457916.82736	A	2.707	0.018	16.97	0.02
Mrk 501	2017-06-12	08:14:24	2457916.84333	A	1.296	0.004	13.91	0.01
BL Lac	2017-06-12	09:47:01	2457916.90765	B	1.066	0.004	14.01	0.01
CTA102	2017-06-12	10:08:51	2457916.92281	2	1.291	0.021	16.17	0.04
3C 454.3	2017-06-12	10:33:24	2457916.93986	4	2.416	0.019	16.25	0.04
PKS2155-304	2017-06-12	10:52:57	2457916.95344	2	1.373	0.006	13.41	0.01