| Object | UT Date | UT | JD | Comp Star | ΔV | σ(ΔV) | V | σ(V) |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| 3C 273 | 2012-05-25 | 03:28:56 | 2456072.64509 | C | 0.892 | 0.002 | 12.76 | 0.04 |
| Mrk 421 | 2012-05-25 | 03:45:55 | 2456072.65689 | 1 | -1.681 | 0.003 | 12.68 | 0.02 |
| OJ 287 | 2012-05-25 | 04:12:31 | 2456072.67536 | 4 | -0.033 | 0.005 | 14.16 | 0.01 |
| 3C 279 | 2012-05-25 | 05:56:46 | 2456072.74775 | 1 | 3.247 | 0.006 | 15.65 | 0.01 |
| Ton 599 | 2012-05-25 | 06:23:14 | 2456072.76613 | 13 | 0.113 | 0.009 | 15.47 | 0.04 |
| PKS1222+216 | 2012-05-25 | 06:48:50 | 2456072.78391 | 1 | 1.440 | 0.006 | 15.63 | 0.04 |
| PKS1510-08 | 2012-05-25 | 08:07:13 | 2456072.83834 | 1 | 4.916 | 0.011 | 16.52 | 0.03 |
| W Com | 2012-05-25 | 08:32:49 | 2456072.85612 | A | 3.479 | 0.007 | 15.56 | 0.04 |
| Mrk 501 | 2012-05-25 | 08:49:18 | 2456072.86757 | A | 1.399 | 0.003 | 14.01 | 0.01 |
| B2 1846+32A | 2012-05-25 | 09:31:53 | 2456072.89714 | A | 4.798 | 0.025 | ||
| BL Lac | 2012-05-25 | 09:55:23 | 2456072.91346 | B | 0.859 | 0.008 | 13.80 | 0.01 |
| CTA102 | 2012-05-25 | 10:28:00 | 2456072.93611 | 2 | 1.555 | 0.009 | 16.43 | 0.03 |
| 3C 454.3 | 2012-05-25 | 10:53:08 | 2456072.95356 | 4 | 2.820 | 0.010 | 16.65 | 0.03 |
| PKS2155-304 | 2012-05-25 | 11:09:53 | 2456072.96519 | 2 | 2.139 | 0.009 | 14.18 | 0.01 |