MAP F THE HEATOMS EM 



This Map, represent* t)u- >'/,//-. </. //n.-.v ///uv At- obsfr\'cd 

 during the greater part ol August, September, and, 

 October, a.t the hours named, the dotted, 

 Circle -which crosses the graduated Me 

 ridian at 41 is tJie Circle of perpe- 

 tiLal apparition, the Stars wMi - 

 in that Circle being visible 

 at all times from the Ji 

 ridian. of Green* ' <'h . 



*\ 



.. .'o : 



.* ^ 



T2IIOIS 

 ffi SIB IR^ft.T 3 ; DK , 



DAT HOURS M1X 



