Rev. Sir John Frederick Charles Herschel,
F.R.A.S., 3rd Baronet (1869–1950)
Arms
Coat of arms of Herschel baronets
Crest
A demi-terrestrial sphere Proper thereon an eagle wings elevated Or.
Escutcheon
Argent on a mount Vert a representation of the forty feet reflecting telescope with its apparatus Proper a chief Azure thereon the astronomical symbol of Uranus or the Georgium Sidus irradiated Or.