| Observation ID | Sequence Number | Target Name | Observation Date | Public Date | Observer | Aimpoint RA (deg) | Aimpoint DEC (deg) | Aimpoint Roll (deg) |
| 5318 | 790094 | Mkn 421 | 2004-05-06 14:54:44 | 2004-05-10 20:37:13 | Dr. CXC Calibration | 166.126421 | 38.227170 | 236.381215 |
| 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 | 28490.54 | 0.00144494 | 10070.000 | -0.682823 | -182.137000 |