PO Memoir relative to the Annular Eclipse of the Sun, 



From this table it will be seen that the central eclipse com- 

 mences in N. lat. 81°. 39'. 29", VV. long. 149°. 32'' 55", when 

 the sun and moon will rise together (the centre of the moon be- 

 ing directly on the centre of the sun's disc) to the inhabitants of 

 that part of the globe, at 2''. 56'. 27" in the morning, corre- 

 sponding to 12^.54'. 39'' (or 0^. 54'. 39''*) in the afternoon at 

 Greenwich : that the sun will be centrally eclipsed on the meri- 

 dian (or exactly at noon) in N. jat. 76". 6'. 21^', W. long. 17'' 

 3' 15", when it is P. 8'. 16'' in the afternoon at Greenwich: and 

 that the sun wiH set centrally eclipsed in N. lat. 27°. 10'. 30", 

 E. long. 46°. 2'. 4" at 6\ 12'."l9" in the aftejrnoon, corre-.pond- 

 ing to 3**. 8'. 1 1" at Greenwich. 



If the points, mentioned in the second and third columns of 

 the above table, be marked on a gopd map, and lines be drawn 

 connecting these points, we shall have the path of the centre of 

 the moon's shadow across the globe. Whence it will be seen 

 that the centre of the shadow, having entered the earth's disc 



* That is, 54'. 3.')" after 12 o'clock at noon. The English astronomers 

 begin the day at noon ; but the French reckon from midnight, as in the civil 

 mode of reckoning. There cannot however be any arabiguity, in the pre- 

 sent case, as to the \-^. 



near 



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