( 433 ) 



from llio (^(jiiiiiox of llic 10 Ycai' ( 'jilaloiiiic, lor w liicli tlic (M-rorsof 

 t\\e moon had Uccii (Iclcriiiiiicd, lo llial of Xi'.wcomu's I''iiii(laiii('iilal 

 ('alalo^U'tic iVom which the posilions of the siars wvn' taken. I 

 a(l()}»te(l f'oi' this i-o(hiclioii -|- ()^()54. 



The adopted coi'i-eelions in ). and ,-» and those in ti and d ai'e 

 li-jven in the loMowiiiu' lalth' tou(>ther with the coniparison stars nsed. 



Foi* the moon's parallax 1 ha\e pi'o\isionallv a<h)pte(l II.\nskn\s 

 eonstaiil, while for the compntation of the coi-reelions for pai'alia-\ 

 liKssKi/s elements of the liunre of the eai'th were nsed. Idie eorrectiun 

 of Hansen's eonstaiil is still niieerlain and at anv rate iiot lar^'e. 

 It will appear moi-eo\"(M' that its iidlnence is eliminaled to a i;reat 

 extent in the linal resnlt hecanse (tbservalions haxe been made 

 as well i»efore as aflei' the meridian jiassjiU'e. 



The \alne for the moon's diameter eorres|K)iidiii,U' to mv mode of 

 ohserxation mnst iialnrallv l»e derix'ed from mv ohserxalions them- 

 selves hy eompai'inu' ili<' resnlts foi- the lirst and the second lind). 



In the follow iiiii' table 1 shall ,ui\'e a summary of the results 

 obtai]ied. The 2'^ and .'>'' colnnms contain Ihe x'alues of ^ and of 

 L /. =z coi'rection of the assumed loiiüitude — 4S'"32^() each comj)ute<l 

 by means of the moon's places of the Nautical Almanac, but, with 

 th(^ \abies linally adopte(l foi- the other reduction elements. The 



29 



[-•loceedings Royui Aeail. Auis;teidam. Vol. VI. 



