AT THE OBSERVATORY AT PARAMATTA. 



m 



Southern Solstice, December 18^1. 



1821. 



True Meridian 

 Zcnitb Dist. of 

 Sun's Centre. 



Corr. for 



Sun's 

 Latitude. 



Reduction to 



Solstice. 



Zenith Distance 



of Tropic of Ca. 



pricorn. 



Northern Solstice, June 1822. 



1822. 



True Meridian 

 Zenith Dist. of 

 Sun's Centre. 



Corr. for 

 Sun's La- 

 titude. 



Reduction to 



Solstice. 



Zenith Dist. of 

 Tropic of Cancer. 



Dec. 1510 32 29.65 

 17| „ 26 53.26 



20 



21! „ 

 22j„ 

 23., 

 24i„ 

 25],, 



27 



29 



21 57.39 



21 7.72 



20 50.70 



21 7.36 



21 55.14 



22 59.61 

 24 39.42 

 26 42.01 

 29 20.28 

 32 15.12 



— 0.04 

 + 0.44 

 0.59 

 0.65 

 0.67 

 0.68 

 0.63 

 0.57 

 0.46 

 0.35 

 0.21 

 + 0.08 



11 38, 

 5 57, 

 58, 

 14, 

 0. 

 13, 

 55. 



2 5. 



3 43. 

 5 50, 

 8 24, 



-11 28. 



0910 



7i< ,, 



31 „ 



96 „ 

 02 „ 

 36 „ 

 1" 



28 „ 



42:,, 



28,,, 

 89,,, 



43 



Luni-solar nutation 



Reduct. to Jan. 1, 1822 



20 51.52 



„ 66.00 



„ 59.67 



„ 58.41 



„ 51.35 



„ 54.68 



„ 60.65 



„ 54.90 



„ 56.46 



„ 52.08 



„ 55.60 



„ 46.77 



10 20 54.42 



+ 7.80 

 +0.01 



M. Z. D. Tropic of Capricorn, Jan. 1, 1822jl0 21 2.23 



June 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 18 

 19 

 20 

 21 

 23 

 28 

 29 

 30 



July 1 



56 



57 



56 



+ 34 



29 



24 



20 



16 



13 



10 



7 



3 



1 















7 



10 



13 



+ 16 



40,67 57 



33.96 



51.11 



32.59 



38.49 



7.82 



3.52 

 22.98 

 16.16 

 49.86 

 48.41 

 11.77 

 13.07 

 29.89 

 11.38 

 17.27 

 47.43 



Mean 



Luni-solar nutation 



Reduct. to Jan. 1, 1822 



M. Z. D. Tropic of Cancer, Jan. 1, 1822 

 Zenith distance of Tropic of Capricorn , 



Half difference = obliquity of eclipse ... 

 Half sum latitude of the observatory ... 



16 30.07 



„ 34.19 



„ 25.22 



„ 39.35 



„ 31.28 



„ 37.51 



„ 33.40 



„ 34.37 



„ 34.88 



„ 32.42 



„ 33.31 



„ 30.16 



„ 27.81 



„ 33.30 



„ 32.39 



„ 30.56 



„ 34.12 



57 



16 32.64 



-6.77 



+ 0.22 



57 16 26.09 

 10 21 2.237 



23 27 41.93 

 33 48 44.1 



Southern Solstice, December 1822. 



Dec. 14 

 15 

 17 



18 

 19 



20 

 21 



22 

 23 

 24 

 25 

 27 

 28 



10 36 

 „ 33 



„ 27 

 „ 25 



23 

 „ 22 

 „ 21 

 „ 20 

 „ 21 

 „ 21 

 „ 22 



26 

 .. 28 



— 16 4.8 



+ 12 26.09 



6 32.31 



4 17.63 

 2 31.07 

 1 12.75 

 22.72 

 I.Ol 

 7.63 



42.56 



1 45.78 



5 17.02 

 +7 44.98 



Mean 



Luni-solar nutation 



Reduct. to Jan. 1, 1823 



M. Z. D. Tropic of Capricorn, Jan. 1, 1823 

 M. Z. D. Tropic of Cancer, Jan. 1, 1823.. 



Mean obliquity of ecliptic 



Latitude of the observatory 



10 20 49.67 



„ „ 5.3.51 



.. ., 51.02 



„ „ 45.16 



„ „ 60.98 



„ „ 54.62 



„ „ 51.46 



„ „ 62.60 



„ „ 55.90 



„ „ 50.11 



,. „ 48.79 



„ „ 54.44 



„ „ 54.75 



10 20 52.54 

 + 5.67 

 + 0.01 



10 20 58.22 

 57 16 25.70 



23 27 43.74 

 33 48 41.96 



Northern Solstice, June 1823. 



June 11 

 14 

 15 

 17 

 19 

 21 

 22 

 23 

 24 

 25 

 30 



July 1 



56 50 



57 2 

 5 



10 

 14 

 16 

 16 

 16 

 15 

 14 

 4 

 



+25 56. 



13 56, 



10 45, 



5 37. 



2 8, 



18, 



0, 



6. 



39, 



1 36, 

 12 28. 



+ 15 53, 



Mean , 



Luni-solar nutation 



Reduction to Jan. 1, 1823 



M. Z. D. Tropic of Cancer, Jan. 1, 1823. 

 M. Z. D. Tropic of Capricorn, Jan. 1 , 1 823. 



Half diff. mean obliquity, Jan. 1, 1823 .... 

 Half sum latitude of the observatory ... 



57 



16 35.67 



„ 29.22 



„ 34.84 



„ 28.44 



„ 30.61 



„ 28.90 



„ 33.38 



„ 30.62 



„ 29.86 



„ 29.25 



„ 30.04 



„ 32.13 



57 16 31.08 

 —4,32 

 + 0.25 



57 16 27.01 

 10 20 58.22 



23 27 44.39 

 33 48 42.61 



