The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 5
... Declination of each object ; with a brief description of it ; and easy land- marks and directions by which it may be found ; and references to telescopic views of the same in the new maps . The color and relative magnitude of the ...
... Declination of each object ; with a brief description of it ; and easy land- marks and directions by which it may be found ; and references to telescopic views of the same in the new maps . The color and relative magnitude of the ...
Page 12
... Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles formed by producing the parallels of latitude to ...
... Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles formed by producing the parallels of latitude to ...
Page 13
... Declination is the distance of a heavenly body either north or south of the equinoctial , measured on a meridian . Right Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It ...
... Declination is the distance of a heavenly body either north or south of the equinoctial , measured on a meridian . Right Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It ...
Page 14
... declination , of which , indeed , those around the North Pole are always , and those around the South Pole , never visible to us . 21. These constellations are represented on the sixth and seventh maps , called circumpolar maps , which ...
... declination , of which , indeed , those around the North Pole are always , and those around the South Pole , never visible to us . 21. These constellations are represented on the sixth and seventh maps , called circumpolar maps , which ...
Page 17
... declination corresponds with the latitude of the place of observation , represents the zenith of the heavens at that place ; and those constellations of stars which occupy this position on the maps , will be seen directly overhead at 9 ...
... declination corresponds with the latitude of the place of observation , represents the zenith of the heavens at that place ; and those constellations of stars which occupy this position on the maps , will be seen directly overhead at 9 ...
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Common terms and phrases
3d magnitude 4th magnitude angle aphelion appear Arcturus Aries astronomers Auriga axis Beta blue bright star called celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion diurnal motion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude Libra light longitude luminous Map VIII mean distance Mercury meridian miles minutes Moon Moon's motion naked eye nearly NEBULA node north pole northern Number of stars o'clock observed Orion pale yellow parallax pass perihelion period planet Pleiades polar position principal star Refracting telescopes refraction remarkable represented revolution revolve right ascension rising satellites Saturn seen shadow sidereal Sirius situated small stars solstice southern Sun's supposed surface Taurus TELESCOPIC OBJECTS tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac