McMath-Pierce Solar Telescope

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McMath–Pierce Solar Telescope

(măk-math -peerss) See Kitt Peak National Observatory; solar telescope.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
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Similarly, NSO controlled and operated the two solar scopes on the mountain, the McMath-Pierce Solar Telescope and (until 2014) the Synoptic Optical Long-term Investigations of the Sun (SOLIS) facility, with NOAO again acting as landlord.
Caption: Since 1998, the McMath-Pierce solar telescope (shown) has observed a steady decrease in sunspot magnetic field strength.
Today some of the astronomers who share the mountaintop and this meridian with I'itoi continue to engage the Sun with the McMath-Pierce solar telescope.
The fields of these images, taken with the McMath-Pierce Solar Telescope on Kitt Peak, are 50,000 kilometers on a side.