Astro-Photographic Catalogue Plates. 



119- 



TABLE I. 

 Eefeaction Coefficients. 



t 



^x 



N^ 



My 



Ny 



o 



.000225 



.0000000 



.00000 



.000345 



lO 



.000226 



.0000000 



.00011 



.000345 



20 



.000226 



.0000000 



.00022 



.000346 



30 



.000227 



.0000000 



.00034 



.000346 



40 



.000229 



.0000000 



.00045 



.000347 



50 



.000231 



.0000001 



.00056 



.000349 



60 



.000233 



.0000001 



.00067 



.000350 



M^ and N^ are alwa3^s positive. N^ and J/ are negative for 

 negative hour angles. 



