Setting Circles

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:

    “it is finally as though that thing of monstrous interest
    were happening in the sky
    but the sun is setting and prevents you from seeing it”
    —John Ashbery (b. 1927)

    “There are some circles in America where it seems to be more socially acceptable to carry a hand-gun than a packet of cigarettes.”
    —Katharine Whitehorn (b. 1926)