Izaña part 2: stargazing

Venus and Jupiter and a different telescope, Izaña, Tenerife
July 21, 2015

  Since I got there early, I got a chance to try to photograph the nearest star – our Sun, through a small telescope with a filter which lets through a wavelength called H? (pronounced H alpha). It was tricky. I’m pretty short sighted, and I can’t see well with my glasses squdged up against the viewfinder. For normal stargazing, I take my glasses off and refocus the telescope, but…