| Object | UT Date | UT | JD | Comp Star | ΔV | σ(ΔV) | V | σ(V) |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| Mrk 421 | 2012-10-13 | 12:19:55 | 2456214.01383 | 1 | -1.679 | 0.018 | 12.68 | 0.02 |
| Mrk 421 | 2012-10-14 | 12:10:19 | 2456215.00716 | 1 | -1.530 | 0.003 | 12.83 | 0.02 |
| Mrk 421 | 2012-10-15 | 12:14:53 | 2456216.01034 | 1 | -1.464 | 0.020 | 12.90 | 0.02 |
| Mrk 421 | 2012-10-17 | 12:12:07 | 2456218.00841 | 1 | -1.445 | 0.025 | 12.92 | 0.03 |
| Mrk 421 | 2012-11-12 | 12:06:14 | 2456244.00433 | 1 | -2.042 | 0.003 | 12.32 | 0.02 |
| Mrk 421 | 2012-11-13 | 12:06:15 | 2456245.00434 | 1 | -2.177 | 0.003 | 12.18 | 0.02 |
| Mrk 421 | 2012-11-14 | 11:51:52 | 2456245.99435 | 1 | -2.254 | 0.020 | 12.11 | 0.02 |
| Mrk 421 | 2012-12-04 | 11:34:25 | 2456265.98223 | 1 | -2.185 | 0.038 | 12.18 | 0.04 |
| Mrk 421 | 2012-12-06 | 10:55:35 | 2456267.95527 | 1 | -2.136 | 0.002 | 12.22 | 0.02 |
| Mrk 421 | 2012-12-07 | 10:58:00 | 2456268.95694 | 1 | -2.057 | 0.002 | 12.30 | 0.02 |
| Mrk 421 | 2012-12-08 | 11:25:16 | 2456269.97588 | 1 | -2.077 | 0.002 | 12.28 | 0.02 |
| Mrk 421 | 2012-12-10 | 11:42:17 | 2456271.98769 | 1 | -2.035 | 0.035 | 12.33 | 0.03 |
| Mrk 421 | 2012-12-11 | 11:23:41 | 2456272.97478 | 1 | -2.031 | 0.002 | 12.33 | 0.02 |
| Mrk 421 | 2012-12-12 | 11:14:40 | 2456273.96852 | 1 | -2.098 | 0.002 | 12.26 | 0.02 |
| Mrk 421 | 2013-01-12 | 10:39:35 | 2456304.94416 | 1 | -1.917 | 0.002 | 12.44 | 0.02 |
| Mrk 421 | 2013-01-13 | 10:35:40 | 2456305.94144 | 1 | -1.892 | 0.002 | 12.47 | 0.02 |
| Mrk 421 | 2013-01-14 | 10:31:41 | 2456306.93866 | 1 | -1.818 | 0.006 | 12.54 | 0.02 |
| Mrk 421 | 2013-01-15 | 09:05:49 | 2456307.87904 | 1 | -1.844 | 0.002 | 12.52 | 0.02 |
| Mrk 421 | 2013-01-16 | 10:06:59 | 2456308.92151 | 1 | -1.892 | 0.019 | 12.47 | 0.02 |
| Mrk 421 | 2013-01-17 | 09:07:17 | 2456309.88006 | 1 | -1.831 | 0.002 | 12.53 | 0.02 |
| Mrk 421 | 2013-01-18 | 10:30:03 | 2456310.93753 | 1 | -1.914 | 0.009 | 12.45 | 0.02 |
| Mrk 421 | 2013-01-19 | 10:12:33 | 2456311.92538 | 1 | -2.028 | 0.005 | 12.33 | 0.02 |
| Mrk 421 | 2013-01-20 | 09:07:04 | 2456312.87991 | 1 | -1.946 | 0.002 | 12.41 | 0.02 |
| Mrk 421 | 2013-02-05 | 09:20:43 | 2456328.88939 | 1 | -1.602 | 0.002 | 12.76 | 0.02 |
| Mrk 421 | 2013-02-07 | 08:34:47 | 2456330.85749 | 1 | -1.596 | 0.002 | 12.76 | 0.02 |
| Mrk 421 | 2013-02-10 | 09:41:01 | 2456333.90348 | 1 | -1.491 | 0.002 | 12.87 | 0.02 |
| Mrk 421 | 2013-03-07 | 07:21:02 | 2456358.80627 | 1 | -2.170 | 0.002 | 12.19 | 0.02 |
| Mrk 421 | 2013-03-11 | 06:09:14 | 2456362.75641 | 1 | -2.142 | 0.002 | 12.22 | 0.02 |
| Mrk 421 | 2013-03-12 | 05:32:45 | 2456363.73108 | 1 | -2.158 | 0.002 | 12.20 | 0.02 |
| Mrk 421 | 2013-03-12 | 09:46:09 | 2456363.90705 | 1 | -2.177 | 0.002 | 12.18 | 0.02 |
| Mrk 421 | 2013-03-13 | 06:00:15 | 2456364.75017 | 1 | -2.110 | 0.002 | 12.25 | 0.02 |
| Mrk 421 | 2013-03-13 | 10:22:53 | 2456364.93256 | 1 | -2.123 | 0.002 | 12.24 | 0.02 |
| Mrk 421 | 2013-04-10 | 09:33:01 | 2456392.89793 | 1 | -2.305 | 0.013 | 12.05 | 0.02 |
| Mrk 421 | 2013-04-11 | 02:45:43 | 2456393.61508 | 1 | -2.351 | 0.003 | 12.01 | 0.02 |
| Mrk 421 | 2013-04-11 | 04:51:38 | 2456393.70252 | 1 | -2.343 | 0.004 | 12.02 | 0.02 |
| Mrk 421 | 2013-04-11 | 06:30:02 | 2456393.77086 | 1 | -2.338 | 0.003 | 12.02 | 0.02 |
| Mrk 421 | 2013-04-11 | 07:59:21 | 2456393.83288 | 1 | -2.336 | 0.003 | 12.02 | 0.02 |
| Mrk 421 | 2013-04-11 | 09:28:01 | 2456393.89446 | 1 | -2.403 | 0.003 | 11.96 | 0.02 |
| Mrk 421 | 2013-04-11 | 11:01:39 | 2456393.95947 | 1 | -2.398 | 0.049 | 11.96 | 0.05 |
| Mrk 421 | 2013-04-12 | 05:50:39 | 2456394.74351 | 1 | -2.181 | 0.003 | 12.18 | 0.02 |
| Mrk 421 | 2013-04-12 | 10:18:49 | 2456394.92973 | 1 | -2.178 | 0.015 | 12.18 | 0.02 |
| Mrk 421 | 2013-04-13 | 10:23:51 | 2456395.93323 | 1 | -2.168 | 0.008 | 12.19 | 0.02 |
| Mrk 421 | 2013-04-14 | 02:48:35 | 2456396.61707 | 1 | -2.185 | 0.025 | 12.17 | 0.03 |
| Mrk 421 | 2013-04-14 | 04:50:16 | 2456396.70157 | 1 | -2.212 | 0.008 | 12.15 | 0.02 |
| Mrk 421 | 2013-04-14 | 06:16:11 | 2456396.76124 | 1 | -2.194 | 0.015 | 12.17 | 0.02 |
| Mrk 421 | 2013-04-14 | 10:06:58 | 2456396.92150 | 1 | -2.187 | 0.021 | 12.17 | 0.02 |
| Mrk 421 | 2013-04-15 | 03:13:54 | 2456397.63465 | 1 | -2.177 | 0.010 | 12.18 | 0.02 |
| Mrk 421 | 2013-04-15 | 04:19:40 | 2456397.68032 | 1 | -2.161 | 0.003 | 12.20 | 0.02 |
| Mrk 421 | 2013-04-15 | 05:12:38 | 2456397.71710 | 1 | -2.158 | 0.003 | 12.20 | 0.02 |
| Mrk 421 | 2013-04-15 | 06:15:06 | 2456397.76048 | 1 | -2.162 | 0.003 | 12.20 | 0.02 |
| Mrk 421 | 2013-04-15 | 07:18:22 | 2456397.80442 | 1 | -2.171 | 0.008 | 12.19 | 0.02 |
| Mrk 421 | 2013-04-15 | 08:20:19 | 2456397.84744 | 1 | -2.082 | 0.037 | 12.28 | 0.04 |
| Mrk 421 | 2013-04-15 | 09:24:20 | 2456397.89190 | 1 | -2.158 | 0.015 | 12.20 | 0.02 |
| Mrk 421 | 2013-04-15 | 10:18:32 | 2456397.92953 | 1 | -2.159 | 0.030 | 12.20 | 0.03 |
| Mrk 421 | 2013-04-16 | 02:51:26 | 2456398.61905 | 1 | -2.130 | 0.018 | 12.23 | 0.02 |
| Mrk 421 | 2013-04-16 | 04:19:44 | 2456398.68037 | 1 | -2.150 | 0.006 | 12.21 | 0.02 |
| Mrk 421 | 2013-04-16 | 05:20:55 | 2456398.72285 | 1 | -2.160 | 0.003 | 12.20 | 0.02 |
| Mrk 421 | 2013-04-16 | 06:24:32 | 2456398.76704 | 1 | -2.143 | 0.030 | 12.22 | 0.03 |
| Mrk 421 | 2013-04-16 | 07:25:46 | 2456398.80955 | 1 | -2.151 | 0.013 | 12.21 | 0.02 |
| Mrk 421 | 2013-04-16 | 08:22:23 | 2456398.84888 | 1 | -2.139 | 0.003 | 12.22 | 0.02 |
| Mrk 421 | 2013-04-16 | 09:29:23 | 2456398.89540 | 1 | -2.139 | 0.003 | 12.22 | 0.02 |
| Mrk 421 | 2013-04-16 | 10:27:46 | 2456398.93595 | 1 | -2.122 | 0.012 | 12.24 | 0.02 |
| Mrk 421 | 2013-04-17 | 02:59:19 | 2456399.62453 | 1 | -2.183 | 0.003 | 12.18 | 0.02 |
| Mrk 421 | 2013-05-07 | 08:06:23 | 2456419.83777 | 1 | -2.073 | 0.010 | 12.29 | 0.02 |
| Mrk 421 | 2013-05-08 | 03:08:25 | 2456420.63084 | 1 | -2.072 | 0.010 | 12.29 | 0.02 |
| Mrk 421 | 2013-05-10 | 03:27:21 | 2456422.64399 | 1 | -2.090 | 0.007 | 12.27 | 0.02 |
| Mrk 421 | 2013-05-11 | 04:38:30 | 2456423.69340 | 1 | -2.107 | 0.011 | 12.25 | 0.02 |
| Mrk 421 | 2013-05-12 | 03:23:59 | 2456424.64166 | 1 | -2.162 | 0.002 | 12.20 | 0.02 |
| Mrk 421 | 2013-05-12 | 06:37:48 | 2456424.77625 | 1 | -2.179 | 0.002 | 12.18 | 0.02 |
| Mrk 421 | 2013-05-13 | 03:25:31 | 2456425.64271 | 1 | -2.362 | 0.002 | 12.00 | 0.02 |
| Mrk 421 | 2013-05-13 | 07:25:05 | 2456425.80909 | 1 | -2.346 | 0.002 | 12.01 | 0.02 |
| Mrk 421 | 2013-05-14 | 03:21:30 | 2456426.63993 | 1 | -2.166 | 0.002 | 12.19 | 0.02 |
| Mrk 421 | 2013-05-14 | 07:49:44 | 2456426.82620 | 1 | -2.124 | 0.015 | 12.24 | 0.02 |
| Mrk 421 | 2013-05-15 | 03:21:06 | 2456427.63965 | 1 | -2.041 | 0.002 | 12.32 | 0.02 |
| Mrk 421 | 2013-05-15 | 07:01:07 | 2456427.79244 | 1 | -2.028 | 0.005 | 12.33 | 0.02 |
| Mrk 421 | 2013-05-29 | 04:08:04 | 2456441.67226 | 1 | -2.171 | 0.003 | 12.19 | 0.02 |
| Mrk 421 | 2013-05-30 | 03:37:13 | 2456442.65084 | 1 | -2.189 | 0.003 | 12.17 | 0.02 |
| Mrk 421 | 2013-05-31 | 03:40:35 | 2456443.65318 | 1 | -2.086 | 0.003 | 12.27 | 0.02 |
| Mrk 421 | 2013-06-01 | 03:34:19 | 2456444.64883 | 1 | -2.043 | 0.003 | 12.32 | 0.02 |
| Mrk 421 | 2013-06-02 | 03:36:33 | 2456445.65038 | 1 | -2.081 | 0.003 | 12.28 | 0.02 |
| Mrk 421 | 2013-06-03 | 03:37:28 | 2456446.65102 | 1 | -2.056 | 0.003 | 12.30 | 0.02 |
| Mrk 421 | 2013-06-04 | 03:36:53 | 2456447.65061 | 1 | -2.041 | 0.003 | 12.32 | 0.02 |
| Mrk 421 | 2013-06-05 | 03:35:14 | 2456448.64947 | 1 | -2.055 | 0.003 | 12.30 | 0.02 |
| Mrk 421 | 2013-06-06 | 03:29:54 | 2456449.64576 | 1 | -2.234 | 0.003 | 12.13 | 0.02 |