Setting circles are used on telescopes equipped with an equatorial mount to find astronomical objects in the sky by their equatorial coordinates often used in star charts or ephemeris.
Read more about Setting Circles: Description, Digital Setting Circles
Famous quotes containing the words setting and/or circles:
“Many working mothers feel guilty about not being at home. And when they are there, they wish it could be perfect.... This pressure to make every minute happy puts working parents in a bind when it comes to setting limits and modifying behavior.”
—Cathy Rindner Tempelsman (20th century)
“The [Loyal] legion has taken the place of the club—the famous Cincinnati Literary Club—in my affections.... The military circles are interested in the same things with myself, and so we endure, if not enjoy, each other.”
—Rutherford Birchard Hayes (1822–1893)