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A translation by Margaret Maskelyne of 'Enquiries of Guiseppe Piazzi respecting the annual parallax of some of the principal fixed stars', including 'calculations of the time of the fixed stars in declination'; observations of Aldebaran, Capella, Sirius, Procyon, Arcturus, Alpha Lyrae and Antares; and a summary of the observations.

Scope and Contents Loose letters, printed matter, calculations and sketches of Ceres.i. Calculations, apparently for determining the elements of Ceres' orbit.ii. Geocentric motion of Ceres, 1801-1803.iii. Printed German account of Giuseppe Piazzi's discovery of Ceres, complete with ephemeris, relative positions of the planets, chart and corrections to the observations, 1801.iv. Maskelyne's account and details of the minor planet Ceres, 17 February 1802.v. Calculations...

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Print of an engraving by C. Turner from 1746.

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An undated photostat of part of a letter written by Nevil Maskelyne following the discovery of Ceres on 1 January 1801. He criticizes Giuseppe Piazzi for not revealing the discovery for six weeks, and mentions that a German astronomer (Olbers) has now sent him information regarding where the planet should be visible in the summer and autumn.

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An undated photostat of a letter in French from Joseph de Lalande to Nevil Maskelyne, 10 August 1787, presenting Giuseppe Piazzi to him on a visit to England.

Scope and Contents Urging Lord Melville to instruct the Board of Longitude to hold a conference with the Astronomer Royal in order to consider the state of their correspondence with relevant academics in Europe. In particular, Shone refers to the observations made by the Italian astronomer [Giuseppe] Piazzi on the planets and the comets, and on the succeeding phenomena which were visited upon the world. Stone then lists these phenomena, which included volcanoes, earthquakes, swelling seas, pestilence and 'the...

Scope and Contents An undated photostat of a letter from Nevil Maskelyne to Sir Joseph Banks, 1 May 1801, regarding communications he has received from several other astronomers. Maskelyne states that Joseph de Lalande is working on his 'Bibliographie Astronomique' and has completed his 'Histoire Celeste', and that Jean Delambre is to calculate his tables of the Sun again. Maskelyne also mentions that he has received a letter from Giuseppe Piazzi and praises the work he has been doing on verifying the...

Scope and Contents From the File:

A diary of work performed on the 'Nautical Almanac' and arrangements for its compilation and publication.

Scope and Contents Minutes of the Council of the Royal Society:27 May 1784: resolving that the printing bill for the second volume of the 'Greenwich Observations' be paid.24 June 1784: concerning the King's approval of a proposal for ascertaining the relative situations of the observatories at Greenwich and Paris.29 July 1784: concerning and including a letter from Lieut. General Roy, dated 28 June 1784, on the measurement of a base line. The minutes also cover Visitation...

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A fair copy of results of the observations of the 'new star' (Ceres) discovered at Palermo by Guiseppe Piazzi, 1 January 1801, translated from the original Italian by Antonio Parachinetti. The volume includes a table on the 'star's' position.

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A rough copy of the observations of Ceres, discovered at Palermo by Guiseppe Piazzi, 1 January 1801, translated from the original Italian by Antonio Parachinetti.

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A mathematical paper containing problems and equations and a list of candidates for election to the Royal Society: John Jeron Schroler, Lilienthal, Bremen; Joseph (Giuseppe) Piazzi, Palermo, Sicily; Dr Olbers, Bremen; and Dr C.F. Gauss, Brunswick. There are propositions and corollaries from Newton's 'Principia', in Latin and English, and from Aristotle's 'Rhetoric', in Greek and English.

Scope and Contents Description by Giuseppe Piazzi of the circle made by Jesse Ramsden for the Observatory at Palermo, translated from the Italian by Margaret Maskelyne from Piazzi's, 'Della Specola Astronomica de' Regi Studi di Palermo', Libro II, capo Primo, p. 15 et seq.1. General idea of the instrument.2. Vertical axis.3. The azimuth circle.4. Supports of the vertical axis.5. The iron circles.6. The circle of mahogany. 7. The railing.8....

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An undated translation by Margaret Maskelyne of Guiseppe Piazzi's 'Of the mean refraction of the altitude of the pole of 38º 6' 44"'.

Scope and Contents 'Of the Obliquity of the Ecliptic', a memoir by Guiseppe Piazzi, translated by Margaret Maskelyne in 1807 from Piazzi's 'Dell' Obliquita dell' eclittica'.1. Zenith distance of the Sun by the satellites observed at Palermo, 1794-1803.2. Obliquity of the ecliptic reduced from arithmetical observations, 1791-1803.3. Obliquity of the ecliptic reduced from the Greenwich observations by Maskelyne, 1790-1799.4. Difference of the obliquity of the summer and winter...