FOCAS Operation Manual Standard telescope config. for FOCAS Obs. Cs-Opt secondary ; Use ADC (in and sync) CAL HAL 2 (Th-Ar) 15mA ; Dome FF lamp 600W, 5.1A, 20-120V (voltage depends on FOCAS modes) (in ...

FOCAS Vacuum Pumping manual Notes CCDs should be operated under -100C. To avoid dew condensation within the dewar containing CCDs and the electronics circuit, they should be kept under high vacuum ...

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The University of Arizona is making significant strides in the field of astronomy with a key milestone in the construction of ...

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The James Webb Space telescope captures a direct image of exoplanets YSES-1b and YSES-1c with its Near-Infrared Spectrograph instrument. Credit: NASA/ ESA / CSA / Hoch et al. / Nature.

For several years now, smart visual telescopes have been available at a reasonable price, and they’ve become so easy to use. You control with a smartphone, pad or tablet.

Our picks of the best telescopes for kids are easy to use, affordable, and a great way to introduce youngsters to the night sky. Grab a bargain during Prime Day on 8-11.