The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 11
... periods , between certain limits , which are said to be comprised within the space of 20 ° 42 ' . 10. The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ° each , called signs , which the ...
... periods , between certain limits , which are said to be comprised within the space of 20 ° 42 ' . 10. The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ° each , called signs , which the ...
Page 20
... periods allowance can be made by the student . As the maps accompanying this work were drawn and engraved in 1835 , their present R. A. ( 1854 ) is about 17 ' or 4m . of time east of their places on the maps . 35 The order in which the ...
... periods allowance can be made by the student . As the maps accompanying this work were drawn and engraved in 1835 , their present R. A. ( 1854 ) is about 17 ' or 4m . of time east of their places on the maps . 35 The order in which the ...
Page 24
... period of the last century , not less than thirteen stars , in different con- stellations , seem to have totally perished , and ten new ones to have been created . In many instances it is unquestionable , that the stars themselves , the ...
... period of the last century , not less than thirteen stars , in different con- stellations , seem to have totally perished , and ten new ones to have been created . In many instances it is unquestionable , that the stars themselves , the ...
Page 25
... period 700 years . 5. μ CASSIOPER - A coarse TRIPLE STAR in the right elbow ; R. A. 0h . 57m . 23s .; Dec. N. 54 ° 08 ′ 01 ′′ . A 5 % , deep yellow ; B 14 , pale blue ; C 11 , bluish . Several small stars in the field . 6. σ CASSIOPE ...
... period 700 years . 5. μ CASSIOPER - A coarse TRIPLE STAR in the right elbow ; R. A. 0h . 57m . 23s .; Dec. N. 54 ° 08 ′ 01 ′′ . A 5 % , deep yellow ; B 14 , pale blue ; C 11 , bluish . Several small stars in the field . 6. σ CASSIOPE ...
Page 28
... period of 5d . Sh . 30m . trast . 5. A LARGE AND RICH CLUSTER on the left elbow ; R. A. , 20h . 28m . 17s .; Dec. , N. 60 ° 06 ′ 2 " . It is 12 ° due north of a Cygni ; and 3 ° west - south - west of Cephei . " A grand but distant ...
... period of 5d . Sh . 30m . trast . 5. A LARGE AND RICH CLUSTER on the left elbow ; R. A. , 20h . 28m . 17s .; Dec. , N. 60 ° 06 ′ 2 " . It is 12 ° due north of a Cygni ; and 3 ° west - south - west of Cephei . " A grand but distant ...
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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