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:

    “We don’t arrive at it by standing on one leg or on the first day of our setting out—but though we may jostle one another on the way that is no reason why we should strike or trample—elbowing’s enough.”
    —George Gordon Noel Byron (1788–1824)

    “And why do you cry, my dear, why do you cry?
    It is all in the whirling circles of time.
    If millions are born millions must die,”
    —Robinson Jeffers (1887–1962)