trascrizione
<p>From a photograph taken by Mr. H. C. Russel, Director of the Sydney Observatory, with a portrait lens by Dallmeyer of 6 inches aperture and 32 inches focus, and an exposure of 8 hours. Scale of the Original 0.558 in.= 1°. The scale of this Enlargement is approximately 1.8 in.=1°</p>