Celestron – disassemble
This is our Celestron C80 refractor. It too had dirty optics, in particular, the spacers between the primary lens doublet had moved away from the edge and into the central…
cloud=no astro=disassemble!
What does an astronomer do when it is cloudy and very cold? Not much astronomy to be sure. So instead of observing the stars with telescopes, lets do some disassembly!…
2018
Welcome to 2018. Welcome to Mars. How do these two statements connect? With this image of the Dora cat with green laser eyes and a very nifty mat. We came…