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This problem will be of ufe to find the right afcen- 
fion of a ftar whofe longitude and latitude^ and obliquity 
of the ecliptic are known, or to find the Sun’s azimuth 
at any hour in a given latitude. 
I have added no cautions when thefe approximations 
and corrections change their figns, becaufe any mathe- 
matician will difcover them at fight. 
I have the honour to be, &c.. 
XLVII. Fur^ 
