Scope and Contents

Calculations, in pencil, relating to astronomical observations made by Tycho Brahe and Johannes Hevelius.

Scope and Contents Work by Flamsteed, arranged roughly chronologically by handwriting, including a micrometer conversion table, a drawing of a micrometer and notes about a table (70r, 71r, 93r, 94r); a Latin draft entitled 'Spherae genuina delineatio' ('A true delineation of the sphere') (73r-74r); a page from a treatise about Keplerian lunar motion (75rv); a copy of observations 1583-1600 and 1461-1471 (76r-79v, 90r); an analysis of elliptical orbits (83v-86v); a table of errors of the mural arc, 1689-1699...

Scope and Contents An untitled compilation of notes and other papers on a range of subjects, 192 folios. The earlier part of the book is in Flamsteed's hand, but the hands of assistants and unidentified pupils appear with increasing frequency thereafter. There is a two-part contents page by Flamsteed.The volume includes various observations: of solar altitude, made in New England [by Thomas Brattle] (21rv); of an occultation and lunar eclipse by Johann Hevelius, 1681-1682 (22r, 28v-30v); of comets,...

Scope and Contents An undated compilation of observations made between October 1671 and November 1676, in Flamsteed's hand, 59 folios. The volume includes observations of solar and lunar diameters (6r-12r), and of the Pleiades (14r-16r); observations made at the Tower, April-July 1675 (17r-21r), and at the Queen's House, Greenwich, September-December 1675 and March-November 1676 (20v-24v, 33r-52r); and 'Maculae sub Sole obser-vatae Historia' ('An account of sunspots observed', 53v-57r). There are also notes...

Scope and Contents A commonplace book of draft treatises and notes on solar theory, optics and other subjects, in Flamsteed's hand, dated December 1674 to September 1691, but possibly later, 136 folios: 'De motu Solis correcto: Lectura 1a' (1r-13r); 'Meditatio de Methodo percommoda inaequalitates orbitae solaris investigandi' ('Meditation on a most useful method of determining the inequalities of the solar orbit'), unfinished (17r-18r); drafts 'Of Rayes of light transmitted', '...reflected' and '... refracted'...

Scope and Contents

An investigation into the latitude of Uranibourg from the meridian altitudes of stars observed by Tycho Brahe and a comparison of his observed meridian altitudes of the Sun with Le Verrier's solar tables together with an investigation into the place of the ecliptic, 1582-1590. The volume also contains an investigation into Hevelius's observations of the Sun's meridian altitude in 1679.

Scope and Contents An untitled volume of copies of Flamsteed's correspondence, February 1676 - February 1679 and March 1712, with some undated letters and Flamsteed's notes, 81 folios. Some of the copy letters are in Flamsteed's hand, but most are by amanuenses. The correspondents include (through Henry Oldenburg) J.D. Cassini, 1676-1679; Johann Hevelius, 1676-1678; Ismael Bullialdus [Boulliau], 1676; Edmond Halley; Charles Boucher (including a description to Halley of his voyage to Jamaica); Richard...

Scope and Contents A commonplace book of lunar calculations, c. 1684 (85r-182v, with a guide at 183v-184r); copy letters, 1679-1700; and notes; 193 folios. The writing is in Flamsteed's hand, with the exception of the letters, which are copied in various hands, but sometimes bear Flamsteed's corrections.The letters are comprised of correspondence with Johann Hevelius, 1679-1685; letters from Edmond Halley, 1679; correspondence with Olaus Römer, 1679; letters to Seth Ward, 1679; letters to Edward...

Scope and Contents

Lunar observations, rough notes and an unfinished draft of a letter to Johann Hevelius [1676] (237v-239r). The volume is made from sheets of Flamsteed's preparatory work for 'An exact mapp of the Derwent from St Mary's bridge' (1673), another part of which is RGO 1/69A, 23r-25v.

Scope and Contents A compilation of lunar observations, with star catalogues, mainly in Flamsteed's hand, 184 folios. The volume includes 'Lunae Observationes Britannicae Regiae' ('Lunar Observations of the British Realm') made between May 1675 and September 1689, with data from various sources and analytical notes (3r-94r); 'Claudii Ptolemei ... Fixarum Catalogus' (Ptolemy's catalogue of the fixed stars), translated into Latin and compared with other catalogues by Flamsteed, 1702 (105r-128r); calculations...

Scope and Contents 'Miscellanea Mathematica authore J. F.', a collection of mathematical treatises and calculations, 184 folios: observations by Hevelius, Galileo and Towneley, copied in 1671 (4r-7r); a draft treatise, 1672, discussing extracts from the letters of William Crabtree and William Gascoigne of 1640-1642 (9v-22r), with biographical information about them (22r); collected observations of Jupiter's satellites, with an excerpt on the comet of 1681 (22v-24r); observations made by Richard Towneley during...

Scope and Contents A copy of Porter's script for 'The Night Sky in October' on cycles in nature and astronomy; Jupiter in Gemini below Castor and Pollux, its retrograde motion and opposition, and the three-fold conjunction with Uranus; finding Uranus in the night sky, the achievement of William Herschel, and the close conjunction of Jupiter and Uranus on 10 May 1955; Mercury, Venus and Saturn not visible, and the rising and setting of Mars at the time of a summer opposition; ancient astronomy and epicycles,...

Scope and Contents A copy of Porter's script for 'The Night Sky in September' on prediction in astronomy; the Dublin meeting of the International Astronomical Union; the Square of Pegasus in the east with Delphinus, Capricornus, Aquarius, Pisces and Cetus; Hydra, Virgo and Ursa Major (examples of large constellations), the regularisation of the boundaries of all constellations in 1930, and Bayer's star atlas of 1603; Mira in Cetus, first mentioned by Fabricius in 1590, which Bayer entered on his 1603 atlas;...

Scope and Contents

Solar and lunar observations of 1639 and 1659-1661 by Johann Hevelius. The writing is in a notebook made partly out of the sheets of witnesses' depositions from a Derbyshire source. It probably belonged to Steven Flamsteed.

Scope and Contents Copies of star catalogues: 'Claudi Ptolemai Regularis dispositio Constellationum...' ('Claudius Ptolemy's regular disposition of constellations or catalogue of fixed stars, translated from Greek into Latin, amended ... by comparison with an Oxford manuscript and with the versions of Trapezuntius, Gauricus, Copernicus and Clavius, and also with the catalogue of Ulug Beigh, of Tycho Brahe, and the heavens themselves. The work of John Flamsteed, M. R. With the additional Greek and Roman...

Scope and Contents

A copy of star catalogues by Ulug Beigh, Tycho, William of Hesse and Johann Hevelius (3r-22v), with Flamsteed's own tables of the planets (33r-40r), and of the Moon (40r-46v), 48 folios. The volume is undated, but there is reference to observations made by Flamsteed between January 1690 and August 1719. The writing is in various hands, with some alterations by Flamsteed.