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Hansen, Peter Andreas (1795-1874) astronomer
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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

Draft? autograph letter signed to Charles Delaunay

See 36/18/1 for French translation. Acknowledgement of copies of CD's replies to LeVerrier's attacks on his theory of the moon. Nature of LeVerrier, Hansen's and Plana's errors. M. de Pontecoulant's letter in Monthly Notices of RAS. See 16/17/2 for another version of this letter.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter to Charles Delaunay

Incomplete. See 16/17/1 for another draft of same letter. See 36/18/1 for French translation. Acknowledgement of copies of CD's replies to LeVerrier's attacks on his theory of the moon. Nature of LeVerrier, Hansen's and Plana's errors. M. de Pontecoulant's letter in Monthly Notices of RAS.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

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

Adams, John Couch (1819-1892) astronomer

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

Typed copy of letter to S. Newcomb

Comments on comparison of Hansen and Delaunay's lunar tables. Suggesting co-operative work between British and American Nautical Almanac offices. MS note by Newcomb at end giving permission for confidential sections to be published. See also JCA's draft at 16/49/1). Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

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