Note 822 — Chapter XXVIII · NEBULOUS CLUSTERS—THE PLEIADES.
Reading edition
Astr. Nach. No. 3275; Sirius, 1891, p. 106. Wolf’s photographs were taken previously, but interpreted subsequently to Barnard’s.
Reading edition
Astr. Nach. No. 3275; Sirius, 1891, p. 106. Wolf’s photographs were taken previously, but interpreted subsequently to Barnard’s.