Results of Meteorological Observations Made ..., Volume 22 |
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Page
... Hour - Circle . Effects of Refraction and Parallax . Authority for the 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 ...
... Hour - Circle . Effects of Refraction and Parallax . Authority for the 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 ...
Page
... Hours TABLE V. - Values of the Constants in the Periodical Expression for the Mean Monthly Diurnal Inequalities of Thermographic Results TABLE VI . - Excess of the Mean Monthly Temperature of the Air at each Hour above the Mean ...
... Hours TABLE V. - Values of the Constants in the Periodical Expression for the Mean Monthly Diurnal Inequalities of Thermographic Results TABLE VI . - Excess of the Mean Monthly Temperature of the Air at each Hour above the Mean ...
Page ii
... hours - which extend to midnight during the winter months , and to 13h M. T. during the summer months . The observa- tions with the Transit Circle were made generally by Mr. Quirling and Mr. Lucas on alternate nights . Their initials ...
... hours - which extend to midnight during the winter months , and to 13h M. T. during the summer months . The observa- tions with the Transit Circle were made generally by Mr. Quirling and Mr. Lucas on alternate nights . Their initials ...
Page xi
... hours , ) are affected by these factors multiplied into the re- quired azimuthal - error z . These times ought to be equal , if the in- strument has remained steady during the interval of the observations , and , by equating them , z is ...
... hours , ) are affected by these factors multiplied into the re- quired azimuthal - error z . These times ought to be equal , if the in- strument has remained steady during the interval of the observations , and , by equating them , z is ...
Page xxiii
... hours , is determined , and the actual rate used for any group is found in general by comparing the preceding and following groups . In determining the rate , it is necessary to make allowance for personal equation , and this , as de ...
... hours , is determined , and the actual rate used for any group is found in general by comparing the preceding and following groups . In determining the rate , it is necessary to make allowance for personal equation , and this , as de ...
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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