How does an observing night work?

JCMT operates a 12-hour shift from approximately sunset to just after sunrise (though submillimeter observations are not strictly limited to nighttime hours). We have an attending Telescope System Specialist (TSS) who operates the telescope from the summit, and who is accompanied by a visiting observer. The visiting observer assists by helping to guide selection of MSBs with the Query Tool (according to weather and priority) and providing scientific feedback on the quality of the observations being collected. If weather conditions are favourable, we might also complete evening observing and then handover to a remote operator (Extended Observer) in Hilo, to continue observing for a few hours in the morning whilst conditions are still good.

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Category: JCMT Operations

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