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The sign + prefixed to the latitude or declination of the Sun, &c. indicates that the same is north; but when the sign - is prefixed, the latitude or declination is south.

The letters M. A. or m. a. are used to denote Morning and Afternoon. By reduced latitude is meant the latitude referred to the centre of the terrestrial spheroid. If the earth were a perfect sphere, the common latitude and the reduced latitude would be the same.

With the Mean Time (at Washington) of the Sun's Entrance into, and Continuance in, each of them, and the Length of the Seasons.

1

Sun North of the Equator (Spring and Summer)

South

66

(Winter and Autumn) Length of the tropical year, commencing at the winter solstice, 1830, and ending at the winter solstice, 1831 5 Mean or average length of the tropical year

}

92 21 8 40.0

93 13 58 10.5

89 17 27 2.9

The Fasts or Feasts marked with an asterisk are strictly observed.

Appearance of the Sun, at the apparent Conjunction of the Sun and Moon, in the Eclipse of the 12th of February, at Petersburg, Va., Cahawba, Siasconset, Halifax, and all other places where the Sun is centrally, or very nearly centrally, eclipsed.

Appearance of the Sun, at the greatest Obscuration, at Natchez, Nashville, Washington, Baltimore, Philadelphia, New York, New Haven, Hartford, Boston, New Bedford, Portsmouth, Portland, and all other places where the Sun will be about 11 digits eclipsed on his South Limb.