Spécimens de photographies astronomiques
By: par H. Deslandres
Contributors: Observatoire de Paris. Service de spectroscopie
Publisher: Fillon & Heuse
Published: 1897
Place of publication: Paris
Language: fre
Subjects: Solar Spectrum; Solar atmosphere; Pictorial works; Astronomical photography
Other titles: Observations de l'éclipse totale du soleil du 16 avril 1893.
Notes: Title from printed paper wrappers. The work comprises 6 photogravures, 2 of them double page, with engraved legends (one letterpress). At head of the first four (numbered I-IV) is "Observatoire de Paris, Service de spectroscopie" and two of these are marked "Héliog. Fillon et Heuse." The remaining two (numbered II-III) are marked "Héliog. Dujardin, Imp. Ch. Wittmann." These last apparently represent 2 of the 3 plates of: Observations de l'éclipse totale du soleil du 16 avril 1893 : rapport de la Mission envoyée au Sénégal par le Bureau des longitudes pour l'étude physique du phénomène, par M. H. Deslandres, chef de mission. Subject of plates are spectroscopic studies of sun and stars, and photographs of the sun's atmosphere.