LONGITUDE. 



221 



TABLE F. 



Rigid ascensions of moon' s centre used in computiny the longitude of asbyynomical station near mouth 

 of the Bio Grande, deduce^ from corresponding moon culminations^ ohscrvcd at Greenwiclij 

 Philadelphia High ScJioolj and PiadcJiffe observatories , 1853. (C. JV. Thorn, computer.) 



Date. 



Right a^centioa of moon's 



centre. 



1853. 



August 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 SO 



S3 



94 

 Sept. 11 



12 



13 

 14 

 lo 

 16 

 17 

 18 

 19 

 SO 

 October 9 



10 

 11 

 12 



Greenwich ob- 

 servations. 



Nautical Ahua- 



nac. 



»■ fn. f. 



15 44 14.00 



16 45 08 IS 



17 49 14.90 



18 54 04.71 

 20 00 35.36 

 SI 03 07.50 

 22 01 55.78 



22 56 38.39 I 



23 47 40.06 

 U 36 S4.86 



1 23 29.33 



2 10 04.52 



2 57 07.07 

 16 33 26.68 



19 37 45.20 



20 40 03.21 

 91 39 01.98 



22 34 17.31 



23 26 09.87 



13 26.56 



1 03 03.29 

 1 49 57.56 



3 37 02.74 



19 16 51.49 



20 21 36.47 



21 20 54.49 



22 16 20.45 



15 44 U.:3 



16 45 W5.76 



17 49 15.01 

 1.8 54 05.69 

 20 00 26.51 

 2L 03 08.82 

 2:2 Ui O..03 



22 56 39.41 



93 47 ."O.nj 



36 25.73 



1 21 30.03 



2 10 05.09 

 2 57 07.66 



18 33 36.79 



19 37 45.84 



20 40 04.07 



21 39 03.06 



22 34 18.61 



23 25 11.40 



15 27.89 



1 03 04.57 



1 49 58.79 



2 37 03.92 



19 18 52.07 



20 21 37.14 



21 20 55.2 



22 16 21.30 



I 



Diflferen 

 observed : 

 — N. A. 



0,73 

 0.64 

 0.81 

 0.98 

 1.15 

 1.32 

 1.S5 



i.es 



0.96 

 0.85 



0.71 



0.5T 



0.59 

 O.ll 



0.64 

 0.86 

 1.08 

 1.30 

 1.53 

 1.33 

 1.38 

 1.23 

 1.18 

 0.5B 

 0.67 



0.76 



0.85 



Right ascension 

 of moon's cen- 

 tre ohporved nt 

 Philadel. High 

 School obser- 



rat or)'. 



A. m. t. 



I' 



t • • • a 



»• •*.••• 





I 



46 19.72 



it 



20 52 39.82 



I 



1 12 52. 18 ij 



22 27 27.06 



I* 



Date. 



1^" 

 Oct 



13 

 14 



15 

 16 

 17 



16 

 19 



21 



Noir. 7 



8 



9 



10 



11 



IS 



14 



16 



17 



18 

 19 

 20 

 21 

 22 



* 



lijght aicension of moon 'a 



centre. 



Grecnwirh ob 



•erx'ationfl. 



83 06 15.69 



57 27.51 



44 53.86 



1 31 39.«7 



2 18 16.89 



3 05 53. 2« 

 3 54 56.38 



5 58 19.33 



6 32 15.9b 



7 96 55.45 



91 03 14.68 



99 00 11.81 * 99 00 15.96 



Nnntical Alma- 

 nac. 



A. fN. #• 



S3 U8 16.56 

 S3 57 S8.53 



44 54.80 



1 31 33.36 

 S 18 17.81 

 3 05 .71.03 



3 54 .')fl.«6 



4 49 45.58 



5 58 19.40 



6 :T9 15.86 



7 35 55,93 

 '^l (i.T 15.90 



22 53 OS.ftO 

 93 42 31.11 



29 47.14 



1 15 56.83 

 S 02 00.84 



9 48 



51.37 



15 3 37 08.86 



4 97 17.41 



5 19 19.95 

 5 IS 53.44 



7 07 14.64 



8 01 31.27 



8 54 58.29 



9 47 13.17 



I 



22 53 03.29 

 2n 42 31.79 



39 47.74 



1 15 57.47 



01.52 



2 4?> .52.10 



3 37 09.67 



4 27 18.31 



5 19 30.47 



6 12 53.80 



7 07 14.86 



8 01 31.30 



8 54 58.53 



9 47 13.58 



DilTorcnrr 



ohsorvi'd; 



-N. A, 



— 0.94 

 1.02 

 0.91 

 1.09 

 0.99 

 0.75 



0.48 



0.21 



— 0.07 

 + 0.12 

 + 0.22 



— l.SS 

 1.17 

 1.03 



Right Mcrnslon 

 ofmoon*!! cen- 

 tre observed at 



Philnrfnl. High 

 ? c h ool obMT- 

 vatory. 



22 18 43.58 



SS8 07.46 



3 15 59.50 



4 05 23.77 



•22 00 2C.S9 

 *S9 53 13.09 



0.61 



*S3 42 41.18 



0.60 



AA*k #«*A aama aaaa 



0.64 



^WW» vvflP VVVT VvSw 



1 



0.68 



^ w w w w w TVtv VBwVtV 



0.73 



*2 49 01.40 



0.81 



ft4flKA**»AA M m ^ ^ ^ ^ 



0.90 , 



^ ^v ^ ^v ^ V V V V V V V B ^1 ^1 ^B 

 1 



0.52 





0.36 



»•■• at** 9B« •«•• 



0.S9 



••.«8*.,9 



0.03 



B4A# AAA* *AAa ^ m ^ ^ 



0.24 



^ ^ * * ^ ^ ^ ^ V ^ V V ^r V V ^V 



't'A AVVfl 4SBft flAAA 



- 0.41 



ABB> BBAA AAAA^^^* 



^ w ^ ^ 



VVVV ■■«■ ■VVVVvV* 



• Radcliffc observatory. 



