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

by Agnes M. Clerke

[1317] Flammarion, Comptes Rendus, t. xcv., p. 558.

[1318] Captain Ray's sextant observation of the comet of 1843, a few hours before perihelion, was too rough to be of use.

[1319] Astr. Nach., No. 2,538.

[1320] Nature, vol. xxix., p. 135.

[1321] Astr. Nach., No. 2,482.

[1322] Vierteljahrsschrift Astr. Ges., Jahrg. xxiv., p. 308; Bull. Astr., t. vii., p. 513.

[1323] Observatory, vol. xxiv., p. 167.

[1324] The attention of the author was kindly directed to this point by Professor Young of Princeton (N. J.). Cf. Rebeur-Paschwitz, Sirius, Bd. xvi., p. 233.

[1325] Oppenheim, Astr. Nach., No. 2,902.

[1326] Astr. Nach., No. 2,717.