== P3.13 Center the slit == • **Phase** : 3 • **Status** : Draft • **Category** : Nighttime testing (functionality and operability) (C4) • **Recurrence** : once at commissioning • **Duration** : 4 hours **Description** • This activity will center the long slit. **Prerequisites** • Atmospheric conditions: AO working conditions. • Authorize SHARK-NIR on the SX side. **Procedure** • Point to known binary stars and then offset the telescope and the rotators to get to the nominal (known) position of the planet or introducing a bright speckle by using secondary mirrors at the same parallactic angle of the planet in order to align the slit or TBD????? **Success criteria** • xxx **Notes** **LBTO support** • SOUL-AO support **Associated SHARK-NIR personnel** **Date performed and by whom**