Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1861 |
From inside the book
Results 6-10 of 48
Page 22
... telescope , which has been ordered of Messrs . Merz and Son ( 7 inches French in aperture and 9 feet 8 inches focal length ) , and is in course of construction , when it arrives , may per- haps give a totally different direction to the ...
... telescope , which has been ordered of Messrs . Merz and Son ( 7 inches French in aperture and 9 feet 8 inches focal length ) , and is in course of construction , when it arrives , may per- haps give a totally different direction to the ...
Page 25
... telescope , of the same focal length , has a clear aperture of 4 inches . It cost about 1000l . Price without its piers 300l . The piers may be taken at a valuation at the discretion of the purchaser . The Astronomer Royal has been ...
... telescope , of the same focal length , has a clear aperture of 4 inches . It cost about 1000l . Price without its piers 300l . The piers may be taken at a valuation at the discretion of the purchaser . The Astronomer Royal has been ...
Page 37
... telescope I had at hand was a very sharply - defining Gregorian of 4.7 inches aperture ; power used , 78. I first pointed the telescope at about 19.50 Slierna mean time . The planet , being considerably advanced on the disk , appeared ...
... telescope I had at hand was a very sharply - defining Gregorian of 4.7 inches aperture ; power used , 78. I first pointed the telescope at about 19.50 Slierna mean time . The planet , being considerably advanced on the disk , appeared ...
Page 40
... Telescope . Prof. Chevallier . h m 8 12 38 52.68 12 40 53'61 Fraunhofer's Telescope . Mr. A. Marth . h m 8 12 38 54'9 12 40 59'0 Each of these observations was difficult , in consequence of the undulations of the Sun's limb . An instant ...
... Telescope . Prof. Chevallier . h m 8 12 38 52.68 12 40 53'61 Fraunhofer's Telescope . Mr. A. Marth . h m 8 12 38 54'9 12 40 59'0 Each of these observations was difficult , in consequence of the undulations of the Sun's limb . An instant ...
Page 43
... telescope employed was an excellent equatoreally- mounted achromatic , of 34 inches aperture and 42 inches focal length , belonging to Mr. Williamson , and the image of the Sun. was thrown on a screen . This image was very well defined ...
... telescope employed was an excellent equatoreally- mounted achromatic , of 34 inches aperture and 42 inches focal length , belonging to Mr. Williamson , and the image of the Sun. was thrown on a screen . This image was very well defined ...
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Common terms and phrases
2r+g Airy Alhazen Annex appears April Astronomer Royal bright Calculation CAYLEY clock Comet computed corrected crater Decl declination diameter difference distance Ditto ditto edge Ephemeris equations Equatoreal error excentricity eye-piece Greenwich inches aperture instrument July June Jupiter Jupiter's Satellites latitude light limb longitude Lunar m² e m² n² Mars Mean Solar measures Memoir meridian Minor Planets Monthly Notices Moon Moon's Mean Motion N.P.D. from Observation Nautical Almanac nearly Nebula nucleus Number of Observations obtained Occultation orbit parallax perihelion photographs Prof R.A. from Observation Radcliffe Catalogue radiation Right Ascension ring Royal Observatory Saturn Secular Acceleration shadow Sirius Small Planets Society Solar Eclipse soleil stars Struve Sun's disk surface T. W. Webb taches telescope term thermometer tion Transit of Mercury Ursa Variable Variable Stars W. R. Dawes Weisse