Copy of draft letter, from Sir John Herschel to William Morison, dated at Collingwood Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. William Morison is not the first person to write to John Frederick William Herschel on the application of photography to astronomy. Comments on the question and gives some of his own views on the subject. 24 November 1843