Results of Meteorological Observations Made ..., Volume 22 |
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... Distances of the Comet from the Earth Assumed R.A. and N.P.D. of the Stars of Comparison Corrections for Index Errors Mean Solar Times . MEASURES OF DOUBLE STARS . Method of Observation · • Value of the Scale · Determination of the Zero ...
... Distances of the Comet from the Earth Assumed R.A. and N.P.D. of the Stars of Comparison Corrections for Index Errors Mean Solar Times . MEASURES OF DOUBLE STARS . Method of Observation · • Value of the Scale · Determination of the Zero ...
Page xliv
... Distance and Angle of Position of the Components of Double Stars , and of the Diameters of the Planets Venus , Mars , and ... zero for measurement . The tube of the telescope is of hammered brass . xliv Introduction to the Astronomical ...
... Distance and Angle of Position of the Components of Double Stars , and of the Diameters of the Planets Venus , Mars , and ... zero for measurement . The tube of the telescope is of hammered brass . xliv Introduction to the Astronomical ...
Page xlvi
... distances of the Comet from the earth used in computing the parallax have ... distance of a double star three times in one position of the moveable image with ... zero ) and the separate readings , give six separate measures of distance ...
... distances of the Comet from the earth used in computing the parallax have ... distance of a double star three times in one position of the moveable image with ... zero ) and the separate readings , give six separate measures of distance ...
Page xlvii
... zero of the position circle , the micrometer eyepiece previously alluded to ... distance on the other side of the fixed image , the operation was repeated ... Distances and Angles of Position of the Double Stars requires no explanation ...
... zero of the position circle , the micrometer eyepiece previously alluded to ... distance on the other side of the fixed image , the operation was repeated ... Distances and Angles of Position of the Double Stars requires no explanation ...
Page 118
... zero of position - circle , 21 ° 52 ' . Concluded Scale Readings . 139.826 Assumed value of one division. Nos . for Ref . Day , 1862 . Sidereal Time . Object . Distances from Zero in Scale Divisions . | Mean Readings of Measures in Arc ...
... zero of position - circle , 21 ° 52 ' . Concluded Scale Readings . 139.826 Assumed value of one division. Nos . for Ref . Day , 1862 . Sidereal Time . Object . Distances from Zero in Scale Divisions . | Mean Readings of Measures in Arc ...
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Common terms and phrases
air-thermometers to reduce Angles of Position Apparent Error Aquarii Aquilæ Assumed value Assumed zero Barograph Barom bluish Boötis Cancri Capricorni cession in N.P.D. Ceti Circle Cloudy Comet Concluded Scale Readings Dead calms depends on Lacaille determining stars Distances from Zero Eridani Error of Tabular Geminorum Greenwich Mean Groombr Groombridge h. m. div Heliometer Herculis Highest in sunshine Inches July 14 July 21 June 11 June 23 June 9 Leonis Libræ Lowest on grass Mags Mean N.P.D. Mean R.A. Measures in Arc mometers Name of Star Nautical Almanac Number of Obs Observatory Obsr Ophiuchi Overcast Pegasi Perigee Piscium Polar Diameter Polaris RADCLIFFE OBSERVATIONS RADCLIFFE OBSERVATORY Reflexion Right Ascensions Sagittarii Scale Divisions self-registering max Self-Registering Ther Sept Serpentis Showers Sidereal Table Tauri unsteady Ursa Minoris Virginis wires Zero in Scale zero of position-circle دو
Popular passages
Page 2 - Sin a in the direction of the Meridian and at right angles to it, being considered positive towards the North and East.
Page iv - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 1 - Equation for expressing in the usual periodic formulas the reading at any hour of the day reckoned from noon, in terms of the mean value and the hour of the day. The principal maximum values, both positive and negative, for each month as derived from the forementioned equation are as follows : — Month.
Page xli - A weighted arithmetic mean is obtained by multiplying each value by some non-negative weight before summation and then dividing the sum of the products by the sum of the weights.
Page xxvii - HUBBAKD has given a very simple table by which the values of log A, log B, log C, and log D as given in the Tab.
Page 95 - Right Ascensions and North Polar Distances of the Centre of the Sun. Oxford Mean Solar Time of Transit of Centre. RA Seconds of Tabular RA Apparent Error of Tabular RA N-.FD Seconds of Tabular NF D. Apparent Error of Tabular NI