== SDC6 Detector persistence == - **Phase** : Any - **Status** : Draft - **Category** : Daytime calibration (C3) - **Recurrence** : once every 1-3 months starting from commissioning. - **Duration** : 20 minutes **Description** - Monitor persistence after saturation. **Prerequisites** - Instrument and dome closed. No lights inside the dome. **Procedure** - Record a background exposure, then one highly saturated exposure; then a long series of exposures with source off. - CI B_H point source. **Templates** **Success criteria** - Accuracy of photometry 10%. **Notes** - Same as activity 9.3 in AD4 **LBTO support** **Date performed and by whom**