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Computations, 1751 - 1811

Reference Code: GBR/0180/RGO 4/65

Scope and Contents

Various observations, computations and measurements of stars, planets, comets, the Moon and the Sun.

1. Eclipses of Jupiter's satellites, 1803-1804.

2. Reductions for the Moon's transits, 1805.

3. Corrections to the stars and the Sun to be applied due to errors of the meridian mark.

4. Mean times of the Moon's transits, 1805.

5. Aberrations in right ascension and north polar distance, 1802-1806.

6. Refractions of observations in 1806.

7. Computation of the refractions of stars observed by James Bradley.

8. Refractions of observations, 1806.

9. Reduction of observations, 1757-1759.

10. Refractions computed to the Sun's observed zenith distance, according to Bradley's rule, 1753-1760.

11. Calculations of the Moon's ascending node, 1756.

12. Stellar computations, 1806.

13. Sun's longitude, 1751.

14. Stellar computations, 1806.

15. Refraction of stars, 1751-1758.

16. Table of 'Natural sines to every degree of the quadrant'.

17. Calculations on observations of various stars, 1802-1806.

18. Calculations using John Flamsteed's stars of 1690.

19. Computed right ascensions and declinations from Flamsteed, to the beginning of 1802.

20. Deviations in right ascension, 1802-1807.

21. Precession in right ascension for reducing observations to the beginning of 1802.

22. Reduction of right ascensions of stars from Thomas Hornsby's catalogue to the beginning of 1756.

23. Reduction of transits, 1807.

24. Variations in right ascension between 1756 and 1803.

25. Finding the means of right ascensions between 1756 and 1803.

26. Mean polar distances, 1756-1803.

27. Corrections for precession in right ascensions of various stars checked by logaritHMS, 1807.

28. Mean obliquity of the ecliptic for the mean time of the meridian transit of Vesta, 1804-1807.

29. Dr Heinrich Olbers' observations, 1807.

30. Longitude and latitude of the minor planet Vesta, 1807.

31. Calculations of the longitude and latitude of the comet of 1807-1808.

32. Calculations of the mean times of the Moon and planets' transits, 1807-1808.

33. Apparent right ascension and declination of the comet of 1807, deduced from the fixed stars.

34. Longitude and latitude of the comet of 1807-1808, calculated from the corrected right ascension and declination.

35. Notes and rules on observational technique.

36. Calculations of the Sun's longitude and radius vector, 1807-1808.

37. Latitudes and longitudes of nine principal stars.

38. Mean times of the transits of the Moon and planets for 1809-1810.

39. Various notes and tables on nutation and precession.

40. Transit of Venus over the Sun's disc at Paris, 1761.

41. Notes on the finding of longitude at sea.

42. Mean times of the meridian transits of the Sun, Moon and planets, 1811.


  • Creation: 1751 - 1811


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1 volume(s) (1 volume)

Language of Materials


Former / Other Reference


Finding aid date

2005-11-04 14:32:43+00:00

Includes index.


Repository Details

Part of the Cambridge University Library Repository

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Cambridge CB3 9DR United Kingdom