The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 16
... Nebula is a cluster so remote as to appear only like a faint cloud or haze of light . Resolvable Nebula , are those that can be resolved into distinct stars by the aid of a telescope . Irresolvable Nebula are those that have not 24 ...
... Nebula is a cluster so remote as to appear only like a faint cloud or haze of light . Resolvable Nebula , are those that can be resolved into distinct stars by the aid of a telescope . Irresolvable Nebula are those that have not 24 ...
Page 17
... Nebula are those that have the form of an annulus or ring . Planetary Nebula are those that resemble planets in form , and in the sharpness of their out- line . Stellar Nebula are those with a star in the centre , the same as nebulous ...
... Nebula are those that have the form of an annulus or ring . Planetary Nebula are those that resemble planets in form , and in the sharpness of their out- line . Stellar Nebula are those with a star in the centre , the same as nebulous ...
Page 20
... NEBULA on the lady's right foot , R. A , 2h . 12m . 35s .; Dec. , N. 41 ° 36 " . It was discovered by Miss Caroline Herschell , in 1788. Sir William Herschell described it as having " a black division or chink in the middle . " He ...
... NEBULA on the lady's right foot , R. A , 2h . 12m . 35s .; Dec. , N. 41 ° 36 " . It was discovered by Miss Caroline Herschell , in 1788. Sir William Herschell described it as having " a black division or chink in the middle . " He ...
Page 22
... NEBULA in the eye of the western Fish , about 10 ° south - half - east of Mar- kab , near y Piscium ; R. A. 23h . 06m . 36s .; Dec. 8 ° 89 ' 7 " : a very difficult object . CASSIOPΕΙΑ . - ΜΑΡ VI . 42. Cassiopeia is represented on the ...
... NEBULA in the eye of the western Fish , about 10 ° south - half - east of Mar- kab , near y Piscium ; R. A. 23h . 06m . 36s .; Dec. 8 ° 89 ' 7 " : a very difficult object . CASSIOPΕΙΑ . - ΜΑΡ VI . 42. Cassiopeia is represented on the ...
Page 31
... NEBULA near y Arietis , and just east of it ; R. A. 1h . 50m . 34s .; Dec. N 18 ° 18'06 " . It is large and pale , and lies among some small stars , some of which form a curve across the south part of the field . TRIANGULA ( THE ...
... NEBULA near y Arietis , and just east of it ; R. A. 1h . 50m . 34s .; Dec. N 18 ° 18'06 " . It is large and pale , and lies among some small stars , some of which form a curve across the south part of the field . TRIANGULA ( THE ...
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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