What reference position should I use? (heterodyne only)

Observers usually base a reference/off position on knowledge about a region/source from previous data or information from the literature.

If you are unsure of your reference position you might want to add a quick 5 minute stare observation of your reference position in the same set up as your science observation. You can then add to the notes that the science observation must only be taken if the reference position is clear.

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Category: JCMT OT

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