[Fourth] Earl of Rosse, Observations of nebulae and clusters of stars made with the six-foot and three-foot reflectors at Birr Castle from the year 1848 up to the year 1878 (Dublin, 1880; from the Scientific transactions of the Royal Dublin Society), 127.
2.
The scientific papers of Sir William Herschel, ed. by DreyerJ. L. E. (London, 1912), ii, 657.
3.
HerschelJ. F. W., “Observations of nebulae and clusters, made at Slough, with a 20-feet reflector, between the years 1825–1833”, Philosophical transactions for 1833, 359–506, pp. 496–7.
4.
Report of the fifteenth Meeting of the British Association for the Advancement of Science held at Cambridge in June 1845 (London, 1846), p. xxxvi.
5.
Ibid., “Notes and abstracts of communications”, 4.
6.
Published in Edinburgh, London and Dublin. The drawing appears as Plate VI.
