August 26, 2019

Astronomy Video Of the Week: An Occultation Weekend

 

Beta Capricorni (arrowed, click to enlarge) moments before it was occulted by the Moon on October 12th, 2013. (Photo by Author).

After a rainy Florida summer, our astronomical fortunes finally changed this past weekend. Two fine bright star occultations graced our skies on Friday night and Saturday evening. These are always fun “now-you-see-it, now-you-don’t” kinds of events to witness, as the Moon abruptly covers a distant star. Grazing events can be especially dramatic, as starlight can be seen winking in and out along the valleys along the lunar limb in a dramatic fashion. And some real science can be gathered by such events as well, as close double star companions can reveal themselves as the star lingers and winks out in a step-wise fashion. [Read more...]