| Observation ID | Sequence Number | Target Name | Observation Date | Public Date | Observer | Aimpoint RA (deg) | Aimpoint DEC (deg) | Aimpoint Roll (deg) |
| 8378 | 790114 | MKN421 | 2007-01-07 23:09:20 | 2007-01-10 13:59:13 | Dr. CXC Calibration | 166.115712 | 38.187845 | 90.735315 |
| Instrument | Gratings | Detector | Observation Mode | Data Mode | Read Mode | Exposure Time (s) | Defocus (mm) | Focal Length (mm) | Sim X | Sim Z |
| ACIS | LETG | ACIS-456789 | POINTING | FAINT | TIMED | 26602.06 | 0.00144494 | 10070.000 | -0.682823 | -182.139515 |