| Observation ID | Sequence Number | Target Name | Observation Date | Public Date | Observer | Aimpoint RA (deg) | Aimpoint DEC (deg) | Aimpoint Roll (deg) |
| 4509 | 200278 | Spica (Alpha Vir) | 2004-03-09 01:48:47 | 2005-03-15 20:16:41 | Dr. Joseph Cassinelli | 201.290897 | -11.181065 | 65.349436 |
| 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 | 89040.42 | 0.00144494 | 10070.000 | -0.682823 | -182.137000 |