The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 19
... clusters and nebulæ that are visible to the naked eye , as well as the principal objects of interest that are strictly telescopic . In describing the location of these objects , R. A. will denote Right Ascen- sion ; and Dec ...
... clusters and nebulæ that are visible to the naked eye , as well as the principal objects of interest that are strictly telescopic . In describing the location of these objects , R. A. will denote Right Ascen- sion ; and Dec ...
Page 20
... clusters ; and lastly the nebulæ . The double stars will be classed according to their order in the respective constellations ; i.e. , a first , ẞ next , & c . Thus , as the largest objects are first named , the student can begin with ...
... clusters ; and lastly the nebulæ . The double stars will be classed according to their order in the respective constellations ; i.e. , a first , ẞ next , & c . Thus , as the largest objects are first named , the student can begin with ...
Page 21
... cluster of five stars in the form of a pentagon , about 15 ° E. of it . - See Cetus . 39. From El Rischa the ribbon or cord makes a sudden flexure , doubling back across the ecliptic , where we meet with three stars of the fourth ...
... cluster of five stars in the form of a pentagon , about 15 ° E. of it . - See Cetus . 39. From El Rischa the ribbon or cord makes a sudden flexure , doubling back across the ecliptic , where we meet with three stars of the fourth ...
Page 22
... or moral ? Hebrew Zodiac ? Astrology ? TELESCOPIC OBJECTS . - Double stars ? Clusters ? Nebula ? Shown on map , or not ? 42. Cassiopeia ? How represented ? Head ? of a palm tree . Her head and body are 22 ASTRONOMY .
... or moral ? Hebrew Zodiac ? Astrology ? TELESCOPIC OBJECTS . - Double stars ? Clusters ? Nebula ? Shown on map , or not ? 42. Cassiopeia ? How represented ? Head ? of a palm tree . Her head and body are 22 ASTRONOMY .
Page 23
... cluster . Shedir , in the breast , is the uppermost star of the five bright ones , and is 5 ° S. E. of Caph : the other three bright ones , forming the chair , are easily distinguished , as they meet the eye at the first glance . There ...
... cluster . Shedir , in the breast , is the uppermost star of the five bright ones , and is 5 ° S. E. of Caph : the other three bright ones , forming the chair , are easily distinguished , as they meet the eye at the first glance . There ...
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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 Cassiopeia celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude 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 TELESCOPIC OBJECTS.-Alpha tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac