The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 5
... Objects in each constellation has been inserted ; giving the Right Ascension and 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 ...
... Objects in each constellation has been inserted ; giving the Right Ascension and 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 ...
Page 6
... objects ; such as Double Stars , Clusters , Nebulae , Comets , & c . These are all referred to in the book , and in turn refer from the objects back to the page of the book where they are described . These maps and the corresponding ...
... objects ; such as Double Stars , Clusters , Nebulae , Comets , & c . These are all referred to in the book , and in turn refer from the objects back to the page of the book where they are described . These maps and the corresponding ...
Page 9
... objects that demand our attention . Our first step is to learn the names and positions of the heavenly bodies , so that we can identify , and distinguish them from each other . In this manner they were observed and studied ages before ...
... objects that demand our attention . Our first step is to learn the names and positions of the heavenly bodies , so that we can identify , and distinguish them from each other . In this manner they were observed and studied ages before ...
Page 19
... objects , R. A. will denote Right Ascen- sion ; and Dec. , Declination . The initials N. and S. will indicate whether the declination is North or South of the equinoctial . In describing the location of the telescopic object , the R. A. ...
... objects , R. A. will denote Right Ascen- sion ; and Dec. , Declination . The initials N. and S. will indicate whether the declination is North or South of the equinoctial . In describing the location of the telescopic object , the R. A. ...
Page 20
... objects is constantly increased by about 50 " per year . It is vain , therefore , to attempt to give R. A. for the time when a ... object . PISCES ( THE FISHES ) .- MAP V. 36. This constellation is now the first in order of the twelve ...
... objects is constantly increased by about 50 " per year . It is vain , therefore , to attempt to give R. A. for the time when a ... object . PISCES ( THE FISHES ) .- MAP V. 36. This constellation is now the first in order of the twelve ...
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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