Copy of a letter, from John Frederick William Herschel to Francis Baily, dated at Collingwood Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Encloses observations on a comet by Carl Bremiker for the next meeting of the Royal Astronomical Society Will be unable to attend many of the meetings for this session. F. W. Bessel has lost his only son. C. F. Gauss's researches into the motion of the sun. 8 November 1840