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RGO Archives/RGO 4 contains:
<-- See earlier
31 Quadrant observations reductions
32 Zenith distance computations
33 Zenith distance computations
34 Zenith distance and quadrant observations
35 Reduction of the Moon's place
36 Reduction of quadrant observations
37 Observations of major stars
38 Calculations and observations
39 Sun's longitude and latitude
40 Sun's longitude and latitude
41 Computations for the Sun, Moon and planets
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Papers of Nevil Maskelyne

Title Reduction of quadrant observations
Reference RGO 4/36
(former reference: A1/337)
Covering Dates 1767–1805
Extent and Medium 1 volume
Content and context

Reduction of quadrant observations of the stars in the feet of Gemini, 1 October 1767 - 6 October 1805, with notes on observational technique and alterations to the telescope. There is also a formula for computing aberration in north polar distance and a table on the annual variations of right ascensions and north polar distances of stars in the feet of Gemini, 1768-1805.

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