Journal of the Royal Meteorological Society, 1-157:
Extract from the log of the bark Lady of the Lake, by Capt. F.W. Banner:
Communicated by R.H. Scott, F.R.S.:
That, upon the 22nd of March, 1870, at Lat. 5° 47' N., Long. 27° 52' W., the sailors of the Lady of the Lake saw a remarkable object, or "cloud," in the sky. They reported to the captain.
According to Capt. Banner, it was a cloud of circular form, with an included semi-circle divided into four parts, the central dividing shaft beginning at the center of the circle and extending far outward, and then curving backward.
Geometricity and complexity and stability of form: and the small likelihood of a cloud maintaining such diversity of features, to say nothing of appearance of organic form.
The thing traveled from a point at about 20 degrees above the horizon to a point about 80 degrees above. Then it settled down to the northeast, having appeared from the south, southeast.
Light gray in color, or it was cloud-color.
"It was much lower than the other clouds."
And this datum stands out: