12 



COMETS. 



Table I. Of the Parabolic Motion of a Comet, Sfc. — Continued, 



Days. 



True 

 Anomaly. 



Diffe- 

 rence. 







Diffe- 

 rence 



Days. 



True 

 Anomaly. 



Diffe- 

 rence. 



Days. 



True 

 Anomaly. 



Diffe- 

 rence 



Days. 



True 

 Anomaly. 



Diffe- 

 rence. 



Days. 



True 

 Anomaly. 



O / II 



i ii 



O 1 II 



/ a 



o / It 



/ ii 



/ II 



i ii 



O 1 II 



/ // 



39500 

 40000 

 41000 

 42000 

 43000 

 44000 

 45000 



169 48 9 

 169 50 44 



169 55 45 



170 38 

 170 5 21 

 170 9 58 

 170 14 24 



2 38 

 2 35 

 5 1 

 4 53 

 4 43 

 4 37 

 4 26 



52000 

 53000 

 54000 

 55000 

 56000 

 57000 

 58000 



170 42 11 

 170 45 45 

 170 49 13 

 170 52 37 

 170 55 56 



170 59 9 



171 2 19 



3 38 

 3 34 

 3 28 

 3 24 

 3 19 



3 10 



65000 

 66000 

 67000 

 J68000 

 169000 

 170000 

 71000 



171 22 31 

 171 25 9 

 171 27 45 

 171 30 17 

 171 32 47 

 171 35 14 

 171 37 39 



2 42 

 2 38 

 2 36 

 2 32 

 2 30 

 2 27 

 2 25 



77000 

 78000 

 79000 

 80000 

 81000 

 82000 

 83000 



171 51 10 

 171 53 16 

 171 55 20 

 171 57 21 



171 59 20 



172 1 19 

 172 3 16 



2 9 

 2 6 

 2 4 

 2 1 

 1 59 

 1 59 

 1 57 



89000 

 90000 

 91000 

 92000 

 93000 

 94000 

 95000 



172 14 20 

 172 16 4 

 172 17 48 

 172 19 30 

 172 21 10 

 172 22 49 

 172 24 27 



1 47 

 1 44 

 1 44 

 1 42 

 1 40 

 1 39 

 1 38 



46000 

 47000 

 48000 

 49000 

 50000 

 51000 



170 18 44 

 170 22 55 

 170 27 

 170 30 58 

 170 34 49 

 170 38 33 



4 20 

 4 11 

 4 5 

 3 58 

 3 51 

 3 44 



59000 

 60000 

 61000 

 (S2000 

 63000 

 64000 



171 5 24 

 171 8 25 

 171 11 21 

 171 14 13 

 171 17 3 

 171 19 49 



3 5 

 3 1 

 2 56 



2 52 

 2 50 

 2 46 



72000 

 73000 

 74000 

 75000 

 76000 



171 40 1 

 171 42 20 

 171 44 36 

 171 46 50 

 171 49 1 



2 22 

 2 19 

 2 16 

 2 14 

 2 11 



84000 

 85000 

 86000 

 87000 

 88000 



172 5 1i 

 172 7 5 

 172 8 56 

 172 10 45 

 172 12 33 



1 55 

 1 54 

 1 51 



1 49 

 1 48 



96000 

 97000 

 98000 

 99000 

 100000 



172 26 3 

 172 27 37 

 172 29 9 

 172 30 40 

 172 32 9 



1 36 

 1 34 

 1 32 

 1 31 

 1 29 



Table II. Of the Parabolic Descent of a Comet towards the Sun. 



Dist. 

 0.00 



0.01 



Days. 



Difference. 



D. 



H M. 



s. 



Dist 



Days. 

 ■67932690 



Difference. 



D. 



6 



H. M. S. 



22 23 4 



Dist. 

 0.80 



Days. 



Difference. 



D. 



H. M. S. 



0.000000 

 0.027404 

















0.40 

 0.41 



0.261595 



19.608610 





19 



14 36 24 



0.027404 







39 



28 



7.194285 



7 



4 39 46 



0.81 



19-977415 



0.368805 



19 



23 27 29 



0.02 



0.077504 



0.050100 







1 51 



36 



0.42 



7.459088 



0.264803 



7 



11 1 5 



0.82 



20.348506 



0.371091 



20 



8 21 54 



0.03 



0.142461 



0.064957 







3 25 



9 



0.43 



7.727064 



0.267976 



7 



17 26 58 



0.83 



20.721870 



0.373364 



20 



17 19 29 



0.04 



0.219231 



0.076770 







5 15 



42 



0.44 



7.998173 



0.271109 



7 23 57 22 



0.84 



21.097484 



0.375614 



21 



2 20 23 



0.05 



0.306384 



0.087153 







7 21 



12 



0.45 



8.272381 



0274208 



8 



6 32 14 



0.85 



21.475344 



0.377860 



21 



11 24 29 



0.06 



0.402773 



0.096389 







9 39 59 



0.46 



8.549654 



0.277273 



8 



13 11 30 



0.8621.855435 



0.380091 



21 



20 31 49 



0.07 



0.507634 



0.104861 







12 11 







0.47 



8.829957 



0.280303 



8 



19 55 8 



0.8722.237737 



0.382302 



22 



5 42 20 



0.08 



0.620079 



0.112445 







14 52 55 



0.48 



9.113257 



0.283300 



9 



2 43 5 



0.88 22.622250 



0.384513 



22 



14 56 3 



0.09 



0.739904 



0.119825 







17 45 



28 



0.49 



9.399525 



0.286268 



9 



9 35 19 



0.8923.008951 



0.386701 



23 



12 53 



0.10 



0.866586 



126682 



20 47 53 



0.50 



9.688729 



0.289204 

 O292iT0 



9 



16 31 46 



0.9023.397824 



0.388873 



23 



9 32 52 



0.11 



0.997717 



0.13113] 







23 56 



43 



0.51 



9.980839 



9 



23 32 24 



0.91 



23.788877 



0.391053 



23 



18 55 59 



0.12 



1.136537 



0.138820 



1 



3 16 



37 



0.52 



10.275827 



0.294988 



10 



6 37 11 



0.92 



24.182071 



0.393191 



24 



4 22 11 



0.13 



1.284449 



0.147912 



1 



6 49 



36 



0.53 



10.573667 



0.297840 



10 



13 46 5 



0.93 



24.577408 



0.395337 



24 



IS 51 28 



0.14 



1.435502 



0.151053 



1 



10 27 



7 



0.54 



10.874332 



0.300665 



10 20 59 2 



0.94 



24.974876 



0.397468 



24 



23 23 49 



0.15 



1.592021 



0.156519 



1 



14 12 



31 



0.55 



11.177787 



0.303455 



11 



4 16 1 



0.95 



25.374483 



0.399607 



25 



8 59 16 



0.16 



1.753847 



0.161826 



1 



18 5 



32 



0.56 



11.484018 



0.306231 



11 



11 36 59 



0.96 



25.776184 



0.401701 



15 



18 37 42 



0.17 



1. 920813 



0.166966 



1 



22 5 



58 



0.57 



11.792993 



0.308975 



11 



19 1 55 



0.97 



26.179982 



0.403798 



26 



4 19 10 



0.18 



2.092765 



0.171952 



2 



2 13 



35 



0.58 



12.104695 



0.311702 



12 



2 30 46 



0.98 



26.585866 



0.405884 



26 



14 3 39 



0.19 



2.269563 



0.176798 



2 



6 28 



10 



0.59 



12.419090 



Q.314395 



12 



10 3 29 



0.99 



26.993835 



0.407969 



26 



23 51 7 



0.20 

 0.21 



2.451076 



0.181513 



2 



10 49 



33 



0.60 

 0.61 



12.736164 



0.317074 



12 



17 40 5 



1.00 

 1.01 



27.403864 

 27.815951 



0.410029 



27 



9 41 34 



2.637186 



0.186110 



2 



15 17 



33 



13.055891 



0.319727 



13 



1 20 29 



0.412087 



27 



19 34 58 



0.22 



2.827781 



0.190595 



2 



19 52 







0.62 



13.378251 



0.322360 



13 



8 4 41 



1.02 



28.230078 



0.414127 



28 



5 31 19 



0.23 



3.022759 



0.194978 



3 



32 



6 



0.63 



13.703217 



0.324966 



13 



16 52 38 



1.03 



28.646240 



0.416162 



28 



15 30 34 



0.24 



3.222230 



0.199471 



3 



5 20 



1 



0.64 



14.030779 



0.327562 



14 



44 19 



1.04 



29-064425 



0.418185 



29 



1 32 46 



0.25 



3.425483 



0.203253 



3 



10 12 



42 



0.65 



14.360903 



0.330124 



]4 



8 39 42 



1.05 



29.484640 



0.420215 



29 



11 37 52 



0.26 



3.633053 



0.207570 



3 



15 11 



36 



0.66 



14.693577 



0.332674 



14 



16 38 45 



1.06 



29906846 



0.422206 



29 21 45 52 



0.27 



3.844656 



0.211603 



3 



20 16 



18 



0.67 



15.028796 



0.335219 



15 



41 28 



1.07 



30.331041 



0.424195 



30 



7 56 42 



0.28 



4.060213 



0.215557 



4 



1 26 42 



0.68 



15.366505 



0.337709 



15 



8 47 46 



1.08 



30.757252 



0.426211 



M 



18 10 16 



0.29 



4.279655 



0.219442 



4 



6 42 



42 



0.69 



15.706713 



0.340208 



15 



16 57 40 



1.09 



31.185413 



0.428161 



31 



4 27 



0.30 

 0.31 



4.502914 

 4.729926 



0.223259 

 O.2270T2 



4 



12 4 



12 



0.70 

 0.71 



16.049401 

 16.391541 



0.342688 



16 



1 11 8 



1.10 



TIT 



31.615553 



0.430140 



31 



14 46 24 



4 



17 31 



6 



0.345140) 



16 



9 28 8 



32.047661 



0.432108 



32 



1 8 38 



0.32 



4.960632 



0.230706 



4 



23 3 



19 



0.72 



16.742121 



0.347580 



16 



17 48 39 



1.12 



32.481705 



0.434044 



83 



11 33 39 



0.33 



5.194964 



0.234332 



5 



4 40 



45 



0.73 



17.092126 



0.350005 



17 



2 12 40 



1.13 



32.917695 



0.43599032 



22 1 16 



0.34 



5.432880 



0.23791 6 



5 



10 23 21 



0.74 



17-444532 



0.352406 



17 



10 40 7 



1.14 



33.355622 



0.43792733 



8 32 6 



0.35 



5.674320 



0.241440 



5 



16 11 



1 



0.75 



17-799332 



0.354800 



17 



19 11 2 



1.1533.795471 



0.43984933 



19 5 29 



0.36 



5.919234 



0.244914 



5 



22 3 



42 



0.76 



18.156505 



0.357173 



18 



3 45 22 



1.1 6 34.237242 



0.441771 



34 



5 41 38 



0.37 



6.167573 



0.248339 



6 



4 1 



18 



0.77 



18.516027 



0.359522 



18 



12 23 5 



1.1734.680919 



0.443677 



34 



16 20 31 



0.38 



6.419145 



0.251572 



6 



10 3 



34 



0.78 



18.877901 



0.361874 



18 



21 4 11 



1.18 35.126496 



0.445577 



35 



3 2 9 



0.39 



6.674346 



0.255201 



6 



16 11 



3 



0.79 



19.242097 



0.364196 



19 



5 48 37 



1.1935.573967 



0.447471 



35 



13 46 19 



0.40 



-— — i. 



6.932690 



0.258344 



6 



22 23 



4 



0.80 



19.608610 



0.366513 



19 



14 36 24 



1.20|36.023308 



0.449341 



36 



33 34 



