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26.14.50 |
25.17.28 |
24.12.19 |
22.49. 5 |
20. 6.10 |
11.32. 1 |
9.34.13 |
5. 9.11 |
South |
5.16.58 |
8.16.41 |
16.38.20 ′ ″ |
+ 1.00 |
+ 1.55 |
+ 1.34 |
+ 1.03 |
- 0.53 |
- 0.39 |
+ 0. 1 |
- 0.46 |
- 1.25 |
- 1.51 |
- 2. 2 |
- 4.30 |
- 1.12 |
- 3.48 |
- 0. 2 |
- 1. 1 |
- 1.31 ′ ″ |
+ 0.07 |
+ 0.50 |
+ 0.30 |
- 1.14 |
-1. 7 |
- 0.27 |
- 2. 7 |
+ 1. 9 |
+ 1.30 |
+ 2. 0 |
- 0.27 |
- 5.32 |
- 0. 3 |
- 2. 4 |
-0. 3 |
- 0.28 |
+ 0.20 |
This theory is yet farther confirmed by the motion of that retrograde comet which appeared in the year 1682. The ascending node of this (by Dr. Halley's computation) was in ♉ 21° 16′ 30″; the inclination of its orbit to the plane of the ecliptic 17° 56′ 00″; its perihelion in ♒ 2° 52′ 50″; its perihelion distance from the sun 58328 parts, of which the radius of the orbis magnus contains 100000; the equal time of the comet's being in its perihelion Sept. 4d.7h.39′. And its places, collected from Mr. Flamsted's observations, are compared with its places computed from our theory in the following table:— |
1682 |
App. Time. Sun's place Comet's |
Long. comp. Lat. Nor. |
comp. Com. Long. |
observed. Lat.Nor. |
observ. Diff. |
Long. Diff. |
Lat. |
d. h. ′ |
Aug. 19.16.38 |
20.15.38 |
21. 8.21 |
22. 8. 8 |
29.08.20 |
30. 7.45 |
Sept. 1. 7.33 |
4. 7.22 |
5. 7.32 |
8. 7.16 |
9. 7.26 ° ′ ″ |
♍ 7. 0. 7 |
7.55 52 |
8.36.14 |
9.33.55 |
16.22.40 |
17.19.41 |
19.16. 9 |
22.11.28 |
23.10.29 |
26. 5.58 |
27. 5. 9 ° ′ ″ |
♌ 18.14 28 |
24.46.23 |
29.37.15 |
♍ 6.29.53 |
♎ 12.37.54 |
15 36. 1 |
20.30.53 |
25.42. 0 |
27. 0.46 |
29.58.44 |
♏ 0.44.10 ° ′ ″ |
25.50. 7 |
26.14.42 |
26.20. 3 |
26. 8.42 |
18.37.47 |
17.26.43 |
15.13. 0 |
12.23.48 |
11.33.08 |
9.26.46 |
8.49.10 ° ′ ″ |