Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
Mrk 421	2016-10-26	12:25:54	2457688.01799	1	-0.802	0.005	13.56	0.02
Mrk 421	2016-10-29	12:15:14	2457691.01058	1	-0.692	0.004	13.67	0.02
Mrk 421	2016-11-25	11:46:17	2457717.99047	1	-1.084	0.005	13.28	0.02
Mrk 421	2016-11-30	11:25:25	2457722.97598	1	-1.058	0.006	13.30	0.02
Mrk 421	2016-12-02	12:56:04	2457725.03894	1	-1.063	0.009	13.30	0.02
Mrk 421	2016-12-27	10:04:12	2457749.91958	1	-0.798	0.004	13.56	0.02
Mrk 421	2017-01-03	09:38:31	2457756.90175	1	-0.694	0.024	13.67	0.03
Mrk 421	2017-01-04	11:47:08	2457757.99106	1	-0.691	0.009	13.67	0.02
Mrk 421	2017-01-04	13:20:12	2457758.05569	1	-0.696	0.005	13.66	0.02
Mrk 421	2017-01-05	07:34:52	2457758.81588	1	-0.725	0.031	13.63	0.04
Mrk 421	2017-01-11	09:08:07	2457764.88064	1	-0.799	0.013	13.56	0.02
Mrk 421	2017-01-12	09:14:49	2457765.88529	1	-0.773	0.009	13.59	0.02
Mrk 421	2017-01-27	09:52:59	2457780.91179	1	-0.786	0.004	13.57	0.02
Mrk 421	2017-01-28	08:48:57	2457781.86733	1	-0.807	0.016	13.55	0.03
Mrk 421	2017-01-29	08:38:33	2457782.86010	1	-0.732	0.004	13.63	0.02
Mrk 421	2017-01-30	08:19:25	2457783.84682	1	-0.721	0.004	13.64	0.02
Mrk 421	2017-01-31	08:06:47	2457784.83804	1	-0.753	0.010	13.61	0.02
Mrk 421	2017-01-31	13:29:50	2457785.06238	1	-0.789	0.023	13.57	0.03
Mrk 421	2017-02-01	04:35:21	2457785.69122	1	-0.752	0.005	13.61	0.02
Mrk 421	2017-02-01	07:30:14	2457785.81266	1	-0.798	0.008	13.56	0.02
Mrk 421	2017-02-01	10:21:19	2457785.93147	1	-0.759	0.009	13.60	0.02
Mrk 421	2017-02-01	13:31:11	2457786.06332	1	-0.751	0.018	13.61	0.03
Mrk 421	2017-02-25	08:26:35	2457809.85179	1	-0.900	0.009	13.46	0.02
Mrk 421	2017-02-27	06:10:15	2457811.75712	1	-0.832	0.014	13.53	0.02
Mrk 421	2017-03-01	07:09:49	2457813.79848	1	-0.897	0.004	13.46	0.02
Mrk 421	2017-03-01	09:36:25	2457813.90029	1	-0.910	0.006	13.45	0.02
Mrk 421	2017-03-01	13:08:30	2457814.04757	1	-0.858	0.019	13.50	0.03
Mrk 421	2017-03-02	07:04:08	2457814.79454	1	-0.924	0.004	13.44	0.02
Mrk 421	2017-03-09	06:47:15	2457821.78281	1	-0.871	0.008	13.49	0.02
Mrk 421	2017-03-10	06:48:38	2457822.78377	1	-0.829	0.003	13.53	0.02
Mrk 421	2017-03-12	06:53:33	2457824.78719	1	-0.788	0.004	13.57	0.02
Mrk 421	2017-03-13	06:26:35	2457825.76846	1	-0.833	0.004	13.53	0.02
Mrk 421	2017-03-14	07:00:12	2457826.79181	1	-0.908	0.002	13.45	0.02
Mrk 421	2017-03-29	07:07:00	2457841.79653	1	-0.936	0.005	13.42	0.02
Mrk 421	2017-03-30	05:08:24	2457842.71417	1	-0.932	0.007	13.43	0.02
Mrk 421	2017-04-28	05:13:47	2457871.71791	1	-0.811	0.013	13.55	0.02
Mrk 421	2017-04-29	04:29:36	2457872.68722	1	-0.857	0.049	13.50	0.05
Mrk 421	2017-04-30	03:22:07	2457873.64036	1	-0.913	0.010	13.45	0.02
Mrk 421	2017-05-01	02:59:05	2457874.62436	1	-0.867	0.006	13.49	0.02
Mrk 421	2017-05-02	02:57:41	2457875.62339	1	-0.935	0.006	13.43	0.02
Mrk 421	2017-05-14	03:25:25	2457887.64265	1	-0.925	0.005	13.43	0.02
Mrk 421	2017-05-15	03:11:12	2457888.63278	1	-0.897	0.005	13.46	0.02
Mrk 421	2017-05-16	03:14:01	2457889.63473	1	-0.899	0.005	13.46	0.02
Mrk 421	2017-05-20	03:13:14	2457893.63419	1	-0.818	0.006	13.54	0.02
Mrk 421	2017-05-21	03:27:33	2457894.64413	1	-0.799	0.005	13.56	0.02
Mrk 421	2017-05-22	03:18:40	2457895.63796	1	-0.790	0.005	13.57	0.02
Mrk 421	2017-05-23	03:12:52	2457896.63394	1	-0.781	0.007	13.58	0.02
Mrk 421	2017-05-24	03:23:15	2457897.64115	1	-0.868	0.041	13.49	0.05
Mrk 421	2017-05-25	03:12:06	2457898.63340	1	-0.854	0.012	13.51	0.02
Mrk 421	2017-06-11	03:31:31	2457915.64689	1	-0.908	0.006	13.45	0.02
Mrk 421	2017-06-12	03:25:28	2457916.64269	1	-0.914	0.010	13.45	0.02
Mrk 421	2017-06-13	03:31:46	2457917.64706	1	-0.884	0.007	13.48	0.02
Mrk 421	2017-06-14	03:25:33	2457918.64274	1	-0.935	0.009	13.43	0.02
Mrk 421	2017-06-15	03:25:54	2457919.64299	1	-0.905	0.009	13.46	0.02
Mrk 421	2017-06-28	03:53:13	2457932.66196	1	-0.876	0.008	13.48	0.02
Mrk 421	2017-06-30	03:33:09	2457934.64802	1	-0.864	0.010	13.50	0.02
Mrk 421	2017-07-01	03:34:55	2457935.64925	1	-0.842	0.009	13.52	0.02
Mrk 421	2017-07-02	03:33:23	2457936.64818	1	-0.847	0.010	13.51	0.02