76 



Eutherfurd Photographic Measures of 



Table II. — Corrections for Refraction. (Continued.) 



Position Angle, a — 

 P ~ 



'xio 3 



7T p 



Position Angle, <r — 



p ~ r 



? XH)3 



7T—P 



Plate 9. 



Plate 10. 



66° 



246 + 



612 



O.O 



73° 



253° + 



376 



O.O 



76 



256 



602 



— II.5 



83 



263 



374 



— 2.9 



86 



266 



574 



—21.5 



93 



273 



367 



— 5-5 



96 



276 



531 



— 29.0 



103 



283 



356 



— 7-3 



106 



286 



477 



—330 



113 



293 



342 



- 8.4 



116 



296 



421 



— 33 -o 



123 



303 



328 



-8.4 



126 



306 



368 



— 29.0 



133 



313 



3H 



— 7-3 



136 



3*6 



325 



—21.5 



143 



323 



304 



— 5-5 



146 



326 



297 



— H.5 



153 



333 



296 



— 2.9 



156 



336 



287 



0.0 



163 



343 



294 



0.0 



166 



346 



297 



+H.5 



173 



353 



296 



+ 2.9 



176 



356 



325 



+21.5 



183 



3 



304 



+ 5-5 



186 



6 



368 



+29.0 



193 



13 



314 



+ 7-3 



196 



16 



421 



+33-o 



203 



23 



328 



+ 8.4 



206 



26 



477 



+33-Q 



213 



33 



342 



+ 8.4 



216 



36 



53i 



+29.0 



223 



43 



356 



+ 7-3 



226 



46 



574 



+ 21.5 



233 



53 



367 



+ 5-5 



236 



56 



602 



+II.5 



243 



63 



374 



+ 2.9 



246 



66 + 



612 



0.0 



253 



73 + 



376 



0.0 



Plate 11. 



Plate 12. 



74° 



254° + 



352 



0.0 



72 



252° H- 



406 



0.0 



84 



264 



35° 



— 2.1 



82 



262 



403 



— 4.0 



94 



274 



345 



— 3-9 



92 



272 



393 



— 7-5 



104 



284 



337 



— 5-2 



102 



282 



378 



— 10.0 



114 



294 



327 



— 6.0 



112 



292 



359 



—11. 4 



124 



304 



317 



— 6.0 



122 



302 



339 



— 11.4 



134 



314 



308 



— 5-2 



132 



312 



321 



— 10.0 



144 



324 



300 



— 3-9 



142 



322 



306 



— 7-5 



154 



334 



295 



— 2.1 



152 



332 



296 



— 4.0 



164 



344 



293 



0.0 



l62 



342 



293 



0.0 



174 



354 



295 



+ 2.1 



172 



352 



296 



+ 4-o 



184 



4 



300 



+ 3-9 



182 



2 



306 



+ 7-5 



194 



14 



308 



+ 5-2 



I92 



12 



321 



-fio.o 



204 



24 



317 



+ 6.0 



202 



22 



339 



+11.4 



214 



34 



327 



+ 6.0 



212 



32 



359 



+11.4 



224 



44 



337 



+ 5.2 



222 



42 



378 



— |-IO.O 



234 



54 



345 



+ 3-9 



232 



52 



393 



+ 7-5 



244 



64 



35o 



+ 2.1 



242 



62 



403 



+ 4-o 



254 



74 + 



352 



0.0 



252 



72 + 



406 



0.0 



