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Hansen, Peter Andreas (1795-1874) astronomer
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Copy of letter to P. Hansen

Neptune. Transcript from Airy's correspondence files in RGO Archives, copied for D.MacAlister 1893-1894.

Airy, Sir George Biddell (1801-1892) Knight, astronomer

Autograph letter signed to J.C. Adams

Reply to J.C.A.'s of 29th. Comments on article in Mechanics Mag. Dec. 1846. Advises to wait for new observation of New Planet (Neptune) to measure its distance from sun, not to calculate. Thanks for further figures of position of planet. Does not favour Hansen's methods of calculation, nor LeVerrier's use of single observations. On the Lunar & planetary reductions calculated from Camb. Observatory

(See G.B.A. to J.C.A. 27 Mar.1851 for table of Saturn dated 1 Feb.1847).

Airy, Sir George Biddell (1801-1892) Knight, astronomer

Copy of letter to W. Whewell

In JCA's hand. Sends two equations from Hansen to explain the inequality of the moon's motion [missing]. Requests that JCA may be allowed to see the letter.

Airy, Sir George Biddell (1801-1892) Knight, astronomer

Autograph letter signed to J.C. Adams

  • Adams/Box 5-15/Box 13/39/2
  • Item
  • 8 May 1847 (No year given: paper referred to was given by JCA at the meeting of the RAS Fri. 14 May 1847.)
  • Part of Papers of John Couch Adams

Congratulations on comments made about JCA by Hansen. Demands paper on Neptune before Friday next.

Sheepshanks, Richard (1794-1855) astronomer

Autograph letter signed to J.C. Adams

Introducing W. Hillhouse who is visiting England. On new method of calculation for special perturbations. Published by G.P.B.; subsequently published as original by Encke; reviewed as original by Hansen. G.P.B. not happy. Advantages of new method.

Bond, G P (fl 1852)

Autograph letter signed to J.C. Adams

Motion of the moon. Quotes letter from Hansen on formulae he used. Requests further information on effects of one planet on motion of another.

Airy, Sir George Biddell (1801-1892) Knight, astronomer

Autograph letter signed to J.C. Adams

Encloses testimonial for JCA for professorship of Geometry at Gresham Coll. Hansen's latest papers. Challis's paper.

Lubbock, Sir John William (1803-1865) 3rd Baronet, astronomer and banker

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