| Object | UT Date | UT | JD | Comp Star | ΔV | σ(ΔV) | V | σ(V) |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| TXS0506+056 | 2018-04-13 | 03:00:04 | 2458221.62505 | A | 0.162 | 0.009 | ||
| W Com | 2018-04-13 | 05:38:43 | 2458221.73522 | A | 3.029 | 0.005 | 15.11 | 0.04 |
| Ton 599 | 2018-04-13 | 05:46:26 | 2458221.74058 | 13 | -0.093 | 0.009 | 15.27 | 0.04 |
| PKS1222+216 | 2018-04-13 | 06:09:45 | 2458221.75677 | 1 | 1.403 | 0.012 | 15.59 | 0.04 |
| OJ 287 | 2018-04-13 | 06:19:12 | 2458221.76333 | 4 | 0.890 | 0.008 | 15.08 | 0.01 |
| Mrk 421 | 2018-04-13 | 06:27:23 | 2458221.76902 | 1 | -1.138 | 0.025 | 13.22 | 0.03 |
| 3C 279 | 2018-04-13 | 06:38:46 | 2458221.77692 | 1 | 3.099 | 0.008 | 15.50 | 0.01 |
| S3 1227+25 | 2018-04-13 | 07:25:37 | 2458221.80946 | A | 2.141 | 0.014 | ||
| Ton 599 | 2018-04-13 | 09:44:05 | 2458221.90561 | 13 | -0.093 | 0.011 | 15.27 | 0.04 |
| PKS1502+106 | 2018-04-13 | 10:25:23 | 2458221.93429 | A | 2.145 | 0.024 | ||
| B2 1633+382 | 2018-04-13 | 11:07:35 | 2458221.96360 | A | 2.690 | 0.014 | 16.95 | 0.02 |
| Mrk 501 | 2018-04-13 | 11:32:50 | 2458221.98113 | A | 1.328 | 0.033 | 13.94 | 0.03 |
| BL Lac | 2018-04-13 | 11:51:19 | 2458221.99397 | B | 0.975 | 0.012 | 13.91 | 0.02 |