Drawings of nebulae

Original drawings prepared by Sir John Herschel as illustrations for the Philosophical Transactions of the Royal Society.

Plate 12 figure 35 for the paper "Observations of nebulae and clusters of stars, made at Slough, with a twenty-feet reflector, between the years 1825 and 1833", by Sir John Frederick William Herschel, Philosophical Transactions of the Royal Society, v.123 (1833), pp.359-505. A study of Messier 17 in the constellation of Sagittarius , inscribed verso, in ink: "Messier's 17th Nebula...with several of the included and neighbouring stars, as laid down from observations with the 20 feet reflector chiefly those of July 1828. NB The Stars gamma, theta, epsilon, pi, omicron, tau, upsilon, psi are Inserted by the Eye the rest are laid down from measurement."