75 



In computing my observations I have used max. aberra- 

 tion of light = 20",00 

 Lunar nut. inN,P.D.=^S" ,'iS sin. {AR — Long. moon*)s node) 



+ 1,22 sin. (^R+Long. moon's node) 

 Solar nut. in N.F.D. = 0",48 sin. (2 Long. sun—^H.) 



M 2 



