| creation_date | datetime | The datetime this objects was created | |
| ESO_QC_EXPALIGN_EXPTIME_AVG | float | Average exposure time of the combined field-of-view. | |
| ESO_QC_EXPALIGN_EXPTIME_MAX | float | Maximum exposure time of the combined field-of-view. | |
| ESO_QC_EXPALIGN_EXPTIME_MED | float | Median exposure time of the combined field-of-view. | |
| ESO_QC_EXPALIGN_EXPTIME_MIN | float | Minimum exposure time of the combined field-of-view. | |
