Page:Mars - Lowell.djvu/171

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Plate XVII

Lowell - Mars (1894) - Plate 17.jpg

Fig. I. Sea of the Sirens at June presentation
Long. 141°. Lat. centre of disk 24° South

Fig. II. Sea of the Sirens at November presentation
Long. 156°. Lat. centre of disk 22° South

SEA OF THE SIRENS AND ATLANTIS
AT THE OPPOSITION OF 1894
Showing seasonal change