Spherical Astronomy
Spherical Astronomy
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In our eReader you can find the full English version of the book. Read Spherical Astronomy Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Spherical Astronomy
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But the error arising from this source can be entirely eliminated (at least if the personal equation does not change), if the same observers determine the difference of longitude a second time after having exchanged their stations; the dif ference of the two results is then equal to twice the per sonal equation, whilst their arithmetical mean is free from it. The observers can also determine their personal equation, when they meet at one place and observe the transits of stars by an instrument ...furnished with many wires, so that one ob server takes always the transits over some of the wires and the other those over the remainder of the wires. If then these times of observation are reduced to the middle wire, (Section VII No. 20) the results for every star obtained by the two observers will differ by a quantity equal to the per sonal equation. The observations are then changed so, that now the second observer takes the transits over the first set of wires, and the first one those over the other wires.
What to read after Spherical Astronomy?
You can find similar books in the "Read Also" column, or choose other free books by F Franz Brnnow to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
But the error arising from this source can be entirely eliminated (at least if the personal equation does not change), if the same observers determine the difference of longitude a second time after having exchanged their stations; the dif ference of the two results is then equal to twice the per sonal equation, whilst their arithmetical mean is free from it. The observers can also determine their personal equation, when they meet at one place and observe the transits of stars by an instrument ...furnished with many wires, so that one ob server takes always the transits over some of the wires and the other those over the remainder of the wires. If then these times of observation are reduced to the middle wire, (Section VII No. 20) the results for every star obtained by the two observers will differ by a quantity equal to the per sonal equation. The observations are then changed so, that now the second observer takes the transits over the first set of wires, and the first one those over the other wires.
What to read after Spherical Astronomy?
You can find similar books in the "Read Also" column, or choose other free books by F Franz Brnnow to read onlineMoreLess
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