Simons Observatory @simonsobservatory.org · Dec 15 On the second day of CMBmas, my telescope gave to me: Two optical designs ðŸ”🧪 and a low PWV We are fielding both refractors and a reflector in the Atacama Desert, (see our two previous threads for explainers!) bsky.app/profile/simo... bsky.app/profile/simo... Image credit: Elle Shaw
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On the third day of CMBmas, my telescope gave to me: Three working SATs 🔠Two optical designs and a low PWV Last winter, we fixed a cracked lens in one of our Small Aperture Telescopes. We put it back on its' platform and it's now scanning the sky again. (Timelapse made by Josh Borrow, UPenn)