Gents Mag 1742 p.183
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Gentleman's Magazine 1742 p.183
The Elements of the late COMET's true Motion, as moving in a parabolic Orbit, from a graphical Construction of it communicated to the Royal Society by Tho. Wright. 1742 The proper Motion Retrograde. ° ′ ″ Heliocentric Place of the ascending Node Libra 5 47 22 Inclination of the Orbit to the Plane of the Ecliptic 68 14 Time of the Perihelion January 27. 21h. 50m. P.M. Perihelion Place in the Trajectory ... Scorpio 7 33 28 And Distance from the Node 31 47 6 Perihelion Distance of the Comet from the Sun 76890, such Parts of which the Earth's mean Distance from the Sun, is 100000, and its Logarithm 9.885870.
 Explanation of the SCHEME. EGHF is the Orbit of the Earth in the Plain of the Ecliptic. DPωABC, the Trajectory of the Comet in the Plane of its Orbit. DSC Latus Rectum of the Parabola. PSG Line of the Absides. ESω Line of the Nodes. P the Perihelion Point. A the first observ'd Place of the Comet, and B the Place near which it disappeared. |
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