| creation_date | datetime | Date this object was created | | time.epoch |
| filename | str | The name of the associated file | | meta.id meta.file |
| globalname | str | The name used to store and retrieve file to and from Storage | | meta.id |
| imstat | Imstat | Image statistics for the frame | | |
| is_valid | int | Manual/external flag to disqualify bad data (SuperFlag) | | meta.code |
| NAXIS1 | int | Length of data in axis 1 | pixel | pos.wcs.naxis |
| NAXIS2 | int | Length of data in axis 2 | pixel | pos.wcs.naxis |
| process_status | int | A flag indicating the processing status | | meta.code |
| quality_flags | int | Automatic/internal quality flag | | meta.code |
