| Attribute name | Attribute type | Docstring | Unit | 
| creation_date | datetime | The datetime this objects was created |  | 
| ESO_QC_FLAT_MASTER_INTFLUX | float | Flux value, integrated over the whole master flat field before normalization |  | 
| ESO_QC_FLAT_MASTER_MAX | float | Maximum value of the master flat before normalization |  | 
| ESO_QC_FLAT_MASTER_MEAN | float | Mean value of the master flat before normalization |  | 
| ESO_QC_FLAT_MASTER_MEDIAN | float | Median value of the master flat before normalization |  | 
| ESO_QC_FLAT_MASTER_MIN | float | Minimum value of the master flat before normalization |  | 
| ESO_QC_FLAT_MASTER_NSATURATED | int | Number of saturated pixels in output data |  | 
| ESO_QC_FLAT_MASTER_STDEV | float | Standard deviation of the master flat before normalization |  | 
| object_id | oidtype | The object identifier
  The object identifier is an attribute shared by all persistent instances. It is the prime key, by which object identity is established |  | 
| parameterized | QCpar_MASTER_FLAT | Link to the list of parameterized QC attributes |  |