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Sunspot Cycles
The first known observation of dark spots on the sun was made in China in 800 BC. Early in the 17th century, telescopes were used in astronomy for the first time. Thomas Harriet observed the moon in November 1609 and Galileo di Vincenzo Bonaiuti Galilei observed Jupiter on January 7, 1610. In 1843, the German…
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The SeeStar S50
I learned about the ZWO in a chat group. A friend mentioned it’s great for tracking asteroids when they pass in front of faraway stars. I decided to buy one out of curiosity. It used to cost $399, but now it’s around $100 more. I ordered it on July 30 and it took a while…
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Cosmic 