The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...
David Brewer will livestream a 92% partial solar eclipse visible from Denver, Colorado on August 21, 2017, on Astronomy.com, utilizing a Celestron EdgeHD 800 telescope and Sony A7RII camera. The ...
Celestron’s T-Adapter for 925, 1100, and 1400 EdgeHD optical tubes threads onto the telescope’s rear cell. This device lets you attach your 35mm camera to the prime focus of your scope. The T-Adapter ...
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