== P3.18 Point the slit == - **Phase** : 3 - **Status** : Draft - **Category** : Nighttime testing (functionality and operability) (C5) - **Recurrence** : once at commissioning - **Duration** : 2 nights **Description** - This activity will point the long slit in the (known) direction of an off-axis source. **Prerequisites** - Atmospheric conditions: AO working conditions. - Authorize SHARK-NIR on the SX side. **Procedure** - Preset to a known binary, center the slit on one of stars and then point the slit at the nominal (known) position of the companion by using the instrument derotator. **Templates** - SHARKNIR_gen_tec_PSFAlignment **Success criteria** - xxx **Notes** **LBTO support** - AO support **Date performed and by whom**