A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[121] Results, etc., p. 139.

[122] Ibid., pp. 24, 142.

[123] Phil. Trans., vol. cxxiii., p. 503.

[124] Results, etc., p. 136.

[125] Loomis, Month. Not., vol. xxix., p. 298.

[126] See the Author's System of the Stars, pp. 116-120.

[127] Outlines of Astr., App. I.

[128] Phil. Trans., vol. cxix., p. 27.

[129] Dr. Dreyer's New General Catalogue, published in 1888 as vol. xlix. of the Royal Astronomical Society's Memoirs, is an enlargement of Herschel's work. It includes 7,840 entries, and was supplemented, in 1895, by an "Index Catalogue" of 1,529 nebulæ discovered 1888 to 1894. Mem. R. A. S., vol. li.

[130] A list of 10,320 composite stars was drawn out by him in order of right ascension, and has been published in vol. xl. of Mem. R. A. S.; but the data requisite for their formation into a catalogue were not forthcoming. See Main's and Pritchard's Preface to above, and Dunkin's Obituary Notices, p. 73.