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IV. A partial eclipse of the Moon, October 13th, 1856, partially visible

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This eclipse will be visible throughout Europe and Africa, in the western part of Asia, and on the eastern coast of America.

The times of beginning and end are as follows.

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OCCULTATIONS.

Occultations of Planets and Stars by the Moon, Visible at Washington, D. C., during the Year 1856.

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* Whole occultation below the horizon of Washington.

† Immersion below the horizon of Washington.

The Angles of Position, for the points of contact, are for direct vision, and are reckoned from the Moon's North Point and from its Vertex towards the West. For inverted image, add 180° to the angles given.

A Table showing the Illuminated Portions of the Discs of Venus and Mars.

THE numbers in this table are the versed sines of that portion of the discs which, to an observer on the Earth, will appear to be illuminated, the apparent diameters of the planets at the time being considered as unity.

To a spectator on the Earth, Venus appears most brilliant when her elongation is about 45°, and she is approaching her inferior conjunction, or receding from it. The inferior conjunction will not take place this year. Mars is most brilliant about the time of his opposition to the Sun, being then also nearest the Earth; in which position he will be in March and April, 1856.

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ECLIPSES OF THE SATELLITES OF JUPITER IN 1856,

Visible in the United States between Sunset and Sunrise, Mean Time, Washington Observatory (Astronomical account).

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