Herschel baronets explained

The Herschel Baronetcy, of Slough in the County of Buckingham, was a title in the Baronetage of the United Kingdom. It was created on 17 July 1838 for John Herschel, son of the famous astronomer Sir William Herschel, and a well-known astronomer in his own right.^[1] The baronetcy became extinct on the death of the third baronet on 15 June 1950.

Herschel baronets, of Slough (1838)

• Sir John Frederick William Herschel, 1st Baronet (1792–1871)
• Sir William James Herschel, 2nd Baronet (1833–1917)
• Rev. Sir John Frederick Charles Herschel, F.R.A.S., 3rd Baronet (1869–1950)

Arms

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.
Crest:	A demi-terrestrial sphere Proper thereon an eagle wings elevated Or.
Motto:	Coelis Exploratis^[2]

Notes and References

1. "Herschel, Sir John Frederick William 1792–1871 astronomer" (biography), NAHSTE project, University of Edinburgh, NAHSTE-JHerschel .
2. Book: Burke's Peerage . 1949.