from the University of California, Barcroft station, White Mountain.
A high altitude research facility

On the night of July 16, 1994, me and some friends from work spent the night
at this dome observing and recording the Comet Shoemaker–Levy 9 comet impacts onto Jupiter
through the passing clouds from that night.

https://en.wikipedia.org/wiki/Comet_Shoemaker%E2%80%93Levy_9