| 2 | |
| 3 | *** When do I run autotwi.py for morning skyflats? |
| 4 | |
| 5 | * [wiki:HetProcedures/RA/autotwi autotwi.py] is a useful script for taking HPF, LRS2 and VIRUS skyflats. It has a clear and extensive usage mesaage, but some useful extra information is below. |
| 6 | |
| 7 | {{{ |
| 8 | Start the autotwi script in the morning when the raw gc2 flux level is around 2.7k adu. |
| 9 | Start the autotwi script in the evening 4min before sunset (if taking HPF flats). |
| 10 | Start the autotwi script in the evening after the dome is open and ready for flats with the raw gc2 flux higher than 45K adu (if taking LRS2/ and VIRUS flats). |
| 11 | }}} |
| 12 | |
| 13 | |