| creation_date | datetime | The datetime this objects was created | |
| ESO_QC_SKY_CONT_FLUX | float | Total flux of the continuum | |
| ESO_QC_SKY_CONT_MAXDEV | float | Maximum (absolute value) of the derivative of the continuum spectrum | |
| parameterized | QCpar_MASTER_SKY | Link to the list of parameterized QC attributes | |
