| Observation ID | Sequence Number | Target Name | Observation Date | Public Date | Observer | Aimpoint RA (deg) | Aimpoint DEC (deg) | Aimpoint Roll (deg) |
| 4420 | 400318 | GX 339-4 | 2003-03-17 19:45:59 | 2003-06-21 19:04:00 | Dr Jon Miller | 255.708702 | -48.791280 | 88.158480 |
| Instrument | Gratings | Detector | Observation Mode | Data Mode | Read Mode | Exposure Time (s) | Defocus (mm) | Focal Length (mm) | Sim X | Sim Z |
| ACIS | HETG | ACIS-456789 | POINTING | FAINT | TIMED | 74050.85 | 0.00144494 | 10070.000 | -0.682823 | -182.637349 |