| Object | UT Date | UT | JD | Comp Star | ΔV | σ(ΔV) | V | σ(V) |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| 3C 66A | 2018-02-21 | 02:28:15 | 2458170.60295 | A | 1.529 | 0.008 | 15.18 | 0.02 |
| 4C 28.07 | 2018-02-21 | 03:05:14 | 2458170.62863 | A | 2.549 | 0.013 | ||
| VER J0521+211 | 2018-02-21 | 03:34:55 | 2458170.64925 | A | 2.605 | 0.016 | ||
| PKS0736+01 | 2018-02-21 | 03:58:25 | 2458170.66557 | 1 | 3.689 | 0.009 | 16.10 | 0.04 |
| OJ 287 | 2018-02-21 | 04:17:53 | 2458170.67909 | 4 | 0.679 | 0.005 | 14.87 | 0.01 |
| Mrk 421 | 2018-02-21 | 04:39:14 | 2458170.69391 | 1 | -1.361 | 0.007 | 13.00 | 0.02 |
