| Observation ID | Sequence Number | Target Name | Observation Date | Public Date | Observer | Aimpoint RA (deg) | Aimpoint DEC (deg) | Aimpoint Roll (deg) |
| 1599 | 700215 | H 1821+643 | 2001-02-09 14:28:55 | 2002-02-21 08:50:00 | Prof. Claude Canizares | 275.489487 | 64.341276 | 46.086975 |
| 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 | 99617.18 | 0.00144494 | 10070.000 | -0.682823 | -187.125402 |