A tour of my telescope
A few days ago I promised to tell you all about my new astrophotography setup, and today's the day. Let's start with a picture: The four main parts are: OTA stands for Optical Tube Assembly—more commonly known as a "telescope." Mine is a Skywatcher ED100 apochromatic refractor. ED means "extra-low dispersion" and refers to a ...continue reading "A tour of my telescope"