10 July 2018 Implementation and Results of the QSO-SNR mode at the Canada-France-Hawaii telescope
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Optimizing the night time is essential on a site like Maunakea. The mountain offers excellent weather conditions that can be used to observe more programs than most sites in the world. CFHT has been making significant efforts toward optimal usage of the night time, starting in 2000 with the implementation of the Queued Service Observing (QSO) system followed by the installation of the dome vents in 2012 and lastly, the implementation of the Signal to Noise Ratio (SNR) observing mode in 2013. The QSO-SNR mode is now used by default at CFHT for two of our instruments: MegaCam, a one square degree imager, and ESPaDOnS, a high resolution spectropolarimeter. This paper describes the implementation strategy for each instrument as well as the time saved using this observing mode.
Conference Presentation
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Daniel Devost, Billy Mahoney, Nadine Manset, Claire Moutou, Todd Burdullis, and Stephen D. J. Gwyn "Implementation and Results of the QSO-SNR mode at the Canada-France-Hawaii telescope", Proc. SPIE 10704, Observatory Operations: Strategies, Processes, and Systems VII, 107040U (10 July 2018); doi: 10.1117/12.2311825; https://doi.org/10.1117/12.2311825

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