Nebulae in the Pleiades, 24th October 1886, exposure 3 hours, enlarged 5 times (titre original)

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Roberts, Isaac (1829-1904), “Nebulae in the Pleiades, 24th October 1886, exposure 3 hours, enlarged 5 times (titre original),” Bibliothèque numérique - Observatoire de Paris, consulté le 23 novembre 2024, https://bibnum.obspm.fr/ark:/11287/Cj4T7.