== 4.7 Extragalactic: QSO & AGNs == • **Phase** : 4 • **Status** : Draft • **Category** : Science verification / Early science (C8) • **Recurrence** : once after the completion of nighttime testing and performance check • **Duration** : 3 night(s) **Description** • Extragalactic: QSO & AGNs **Prerequisites** • Authorize SHARK-NIR on the SX side. • Atmospheric conditions: CLEAR • Bad pixel map, Background or Dark, Flat-field, distortion map • Cloud Cover : no clouds • Astronomical Seeing : 0.9" or better • Sky Background : Any • Water Vapor : Low • Timing Windows : • Observing Targets : TBD. • Observing Filters : Broad band: Y, J and H. Narrow band: PaB, HeI and FeII • Detector Mode, DIT: according to the target brightness • Daytime Calibration Data required: dark/background, flat • Nighttime Calibration Data required: none **Procedure** • Both coronagraphic and non-coronagraphic modes are needed. Filed stabilized observing mode. **Notes** **LBTO support** • AO support **Associated SHARK-NIR personnel** **Date performed and by whom**