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Is working on the descriptions of the nebulae for the catalogue [see GA's 1862-9-2].
Little work remaining in calculations for JH's nebulae. Likes JH's plan to represent 'the quantification of different qualifications' by numbers. Hold payment until work is done. Astounding disturbances in 'magnetic curves' (1841-1857). GA now accepts usefulness of magnetic observatories.
About some major variations in terrestrial magnetism readings.
The reductions are essentially complete; encourages JH in his part of the work and concludes 'It will be a noble work' [see JH's 1862-11-5].
Accepts an invitation to dine with GA, and adds comments about problems JH is having with his vision.
Astronomische Nachrichten 1392 compares positions of forty nebulae by G. F. J. A. von Auwers, H. L. d'Arrest, and P. E. Laugier. Calculations for JH's [Catalogue of] Nebulae are complete and ready for inspection.
Asks GA for a copy of G. F. J. A. Auwers's nebula catalogue [see GA's 1862-11-17], and a sample of the nebula listing for JH's catalogue.
Accounts for money spent in reducing JH's catalogue of nebulae. Encloses sample page from catalogue and Astronomische Nachrichten No. 1392 [see JH's 1862-11-18].