1^4 DEfERMINATlON of the LAfirUDE 





, // 





c 



' / // 



Horizontal parallax, 



61 1 1.3 







61 t<y.^ 



Alt. nonag. 



58 49 53 





6t 



4 ST . 



Long nonag. 



64 18 45 





76 



24 45' 



Par. in longitude, 



22 52.7 







13 17.0 



Par. in latitude. 



32 22.7 







30 23.6 



Moon's true rel. mot. in long. 43 84 



Moon's true mot. in htitcde, 





3 58.J 



DifF. par. in longitude, 



9 35-7 



DiC par. in latitude, 

 Appt. mot in latitude, 





I 59.1 



Moon's appt- mot. in long. 



33 32-7 



I 59-» 



Appt, inclination, 



3 23 22 



Appt. mot. in orbit, 





33 36.2 



Moon's femidiametej, 



16 40J1 



-;3i;.'f!OuT or't "iu- 





16 39.9 



Augmentation, 



-^ »3-7 







+ i5» 



Inflexion, 



^ 3^5 







— 3-5 



Correfted femidiameter, 



i<5 50-3 





16 51.6 



Central angle at immer. 



4 18 24 



At emcrfion, 



4 



18 4 



Apparent inclination, 



3 23 22 



Arch fecond, 



3 



23 22 



Arch firft, 



7 41 46 







54 42 



Arch third, 



16 41.2 



Arch fourth. 





i6 5. .J 



Parallax in longitude, 



22 52.7 



DiflFerence, 





X3 17.0 



Sum» 



Z9 33-9 



3 34.5 



Hence interval between 





Interval between the emerfion 



I 





immer. and conj. 



t- 5 lOiS^ 



and conjundion. 





5 42-5 



App^ time of immer. 



II 22 51.7 



App'» time of emer. 



12 



31 4J. 



App*» time of conj unS. ii a6 a.5 



za 26 2.5 



App*. time of immer. 

 Sun's right afcenfion, 



At Aberdeen. 



h. f " 



II 18 8 App'. time of emerfion, 

 16 10 57.4 



Right afcen. of meridian, 3 29 5.4 



O I II 



Moon's true longitude, 2 39 52 48,8 





b, 



• / 



// 





12 



23 



t» 





16 



II 



9 





4 



34 



IX 



s« 







^ 



II 



3 







33 33.6 









EfT. 



J 



