Working Together One Last Time

You could always tell when the interferometer was on-sky. Both telescopes would be pointed at the same object, both domes open to the same direction. Any other time you will find each Keck telescope doing its own thing. With the interferometer shut down, it will be an odd night indeed when the telescopes are pointed in the same direction.

The Last Interferometer Run
Both Keck telescopes observing the same object during the last night of interferometer observing.

Author: Andrew

An electrical engineer, amateur astronomer, and diver, living and working on the island of Hawaiʻi.

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