The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 37
... right ascension is 150 , and its declination 250 N. Consequently , it is on the meridian the 24th of Novem- ber ; and , from its breadth , is more than a week in passing over it . The Northern Fish and its riband , beginning at Merach ...
... right ascension is 150 , and its declination 250 N. Consequently , it is on the meridian the 24th of Novem- ber ; and , from its breadth , is more than a week in passing over it . The Northern Fish and its riband , beginning at Merach ...
Page 39
... right ascension 12 ° . It is on our meridian the 22d of November , but does not sensibly change its position for several days ; for it should be remembered that the apparent motion of the stars becomes slower and slower , as they ...
... right ascension 12 ° . It is on our meridian the 22d of November , but does not sensibly change its position for several days ; for it should be remembered that the apparent motion of the stars becomes slower and slower , as they ...
Page 42
... right knee , 19 ° N. of Caph , in Cassiopeia . The middle one in the line , is Alphirk , in the girdle . This star ... ascension of the former is 338 ° ; consequently , it is 220 E. of the equi- noctial colure . The student will understand ...
... right knee , 19 ° N. of Caph , in Cassiopeia . The middle one in the line , is Alphirk , in the girdle . This star ... ascension of the former is 338 ° ; consequently , it is 220 E. of the equi- noctial colure . The student will understand ...
Page 77
... right ascension of Cancer is 128 ° . It is conse- quently on the meridian the 3d of March . A few degrees S. of Cancer , and about 17 ° E. of Procyon , are four stars of the 4th magnitude , 30 or 40 apart , which mark the head of Hydra ...
... right ascension of Cancer is 128 ° . It is conse- quently on the meridian the 3d of March . A few degrees S. of Cancer , and about 17 ° E. of Procyon , are four stars of the 4th magnitude , 30 or 40 apart , which mark the head of Hydra ...
Page 78
... right ascension of this extensive group is 150 ° , or 10 hours . Its centre is therefore on the meridian the 6th of April . Its western outline , however , comes to the meridian on the 18th of March , while its eastern limit does not ...
... right ascension of this extensive group is 150 ° , or 10 hours . Its centre is therefore on the meridian the 6th of April . Its western outline , however , comes to the meridian on the 18th of March , while its eastern limit does not ...
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Common terms and phrases
3d magnitude 4th magnitude ancient angle appear Arcturus Argo Navis Aries astronomers Auriga axis Beta brightest called Cassiopeia celestial centre Cepheus circle cluster colure comet constellation Cor Caroli declination degree Denebola diameter direction distinguished diurnal motion Earth east ecliptic equal equator equinoctial figure fixed stars Gamma globe head heavenly bodies heavens Hercules Herschel horizon Jupiter latitude length Libra light longitude luminous Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere o'clock observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots square Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac