MATHEMATICS.
To find the days when eclipses happen.
It is required to find the number of eclipses
in the year 1806; and on what Days they happen.
The mean Long. of )’s north Ω in 1806 is 9S=7˚=14’=28”
6
Add 6S gives Moon’s south node 3=7=14=28
May be one in January, when ּ Long. is &nSsp; 9S=11˚=21’
May be one in June, when ּ Long. is 3=7=46
May be one in Dec. when ּ Long. is 9=7=2
[Node Months]
January.
June.
December.
It is required to find the number of eclipses
in the year 1811.
The Moon’s north node in 1811 is 6S=0˚=32’=42”
6
The Moon’s south node 0=0=32=42
One eclipse in March ּ Long. is about 32’=42”
May be another in March ּ Long. being about 32’=42”