BOSS Spectrograph Cartridge (IMAGE)

DOE/Lawrence Berkeley National Laboratory

BOSS Spectrograph Cartridge

Caption

For each 15-minute exposure of the deep sky, astronomers plug a thousand optical fibers into a plate that fits at the focal plane of the Sloan Telescope. Each fiber feeds the light of an individual galaxy to BOSS’s advanced spectrograph.

Credit

Photo by Dan Long, Senior Operations Engineer, Apache Point Observatory

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