The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...
FINDER·CIRCLES FOR EQUATORIALS.—A very ingeniousand what may prove a most useful addition to an equatorial are the so-called star-dials or finding-circles, a brief account of which is contributed to ...
As hobbies go, stargazing has a pretty low barrier to entry. All you really need is a pair of Mark 1 eyeballs and maybe a little caffeine to help you stay up late enough. Astronomy, on the other hand, ...
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