| Chandra X-ray Center | 	PI: CHANDRA engineering request/realtime commanding  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.2 | ASCDS version number | 
| DATE | 2006-05-19T02:37:49 | Date and time of file creation | 
| DATE-OBS | 2004-05-10T13:47:15 | Observation start date | 
| DATE-END | 2004-05-10T23:51:23 | Observation end date | 
| RA_PNT | 263.98315315833 | Pointing RA | 
| DEC_PNT | -21.97607911682 | Pointing Dec | 
| ROLL_PNT | 90.307211749717 | Pointing Roll | 
| RA_TARG | 0.0 | Observer's specified target RA | 
| DEC_TARG | 0.0 | Observer's specified target Dec | 
| DATAMODE | FAINT | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 153.76843262 | Focal Plane Temperature [K] | 
| FSW_VERS | 30 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.2 | ASCDS version number | 
| DATE | 2006-05-19T02:47:52 | Date and time of file creation | 
| DATE-OBS | 2004-05-10T13:47:15 | Observation start date | 
| DATE-END | 2004-05-10T23:51:23 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-456789 | Detector | 
| GRATING | NONE | Grating | 
| OBJECT | Source name | |
| TITLE | ACIS-456789 diagnostics | Proposal title | 
| OBSERVER | CHANDRA engineering request/realtime commanding | Principal investig | 
| OBS_ID | 60239 | Observation id | 
| SEQ_NUM | Sequence number | |
| RA_NOM | 263.98315315833 | Nominal RA | 
| DEC_NOM | -21.97607911682 | Nominal Dec | 
| ROLL_NOM | 90.307211749717 | Nominal Roll |