(II. Calculations of some observations of the solar eclipse on the jth of September , 1820. By Mr. 
Charles Rumker. Communicated by Thomas Young, M. D. For. Sec. R. S. 
Read May 10, 1821. 
e! } signifies | End" 131115 ] of the Ecli P se ER { si £ nitks { ®*§ ,nning ] of the Ring. 
ace of Observation. 
Latitude. 
Long, in 
Time from 
Greenwich. 
Observer. 
Phase 
Instant of Ob- 
servation in 
Mean Time. 
Conjunction 
in 
Mean Time. 
Coefficients of the Corrections. 
astedten 
53 
33 
10 
39 
25 E 
Schumacher 
B.E 
1 
10 
38,5 
2 
29 
30,5 
— 0,5846dL+2,2958d(R + r)+0,1994d/>. 
men 
53 
4 
38 
35 
12 
Olbers 
B.R. 
2 
29 
24 
2 
25 
21,1 
+ 0,0403dL + 2,221 d(R — r) — 0,1542dp. 
E.R 
2 
34 
41,5 
2 
24 
55,5 
—1,245 —2,545 d(R—r) +0,8942 
E.E 
3 
52 
13 
2 
25 
4,8 
—0,5706 —2,292 d(R + r) +0,12015 
tingen . . 
51 
31 
56 
39 
47 
Gauss 
B.R 
2 
28 
11,1 
2 
29 
52,2 
+ 0,047dL + 2,2207 d(R — r) — 0,2386. dp. 
E.E. 
4 
0 
39,0 
2 
29 
32,4 
—0,5731 — 2,293 d(R + r) +0,0461. 
in . . 
52 
31 
15 
53 
31,5 
Bode 
E.E. 
4 
13 
44,7 
2 
43 
16,4 
— 0,6351dL — 2,310 d(R + r) + 0,11421dp. 
jgna 
44 
30 
12 
45 
26 
de Zach 
B.E. 
1 
35 
31,3 
2 
35 
30,51 
— 0,787 6dL+2,3557'i(R + r) +0,4612 dp. 
E.R. 
3 
5 
0,32 
2 
35 
20,42 
+ l,5174dL— 2,6891d(R— r)— 1,7192 
oa . . 
44 
24 
34 
35 
47 
Ruppel 
E.E 
4 
11 
59 
2 
25 
34,8 
— 0,4579dL— 2,2669d(R + r) — 0,3458 dp. 
enhagen 
55 
40 
55 
50 
20 
Ursin 
B.E 
1 
21 
22,2 
2 
40 
32,4 
— 0,4 614dL + 2,2676d(R+r) +0,1300 dp. 
E.E 
4 
3 
22,1 
2 
40 
11,5 
—0,6500 —2,3134 +0,2675. 
haven . . . 
53 
52 
40 
34 
51 
Tralles 
B.E. 
1 
4 
10,4 
2 
24 
55,5 
— 0,6087dL + 2,302 d(R + r) +0,7319 dp. 
B.R. 
2 
27 
25 
2 
24 
57,6 
+ 0,3360 +2,245 d(R— r)— 0,370 
E.R. 
2 
32 27,9 
2 
24 
33,3 
—1,628 —2,752 +1,2506 
E.E. 
3 
49 
58,7 
2 
24 
41,1 
—0,5743 —2,293 d(R + r) +0,1585 
aburg . . 
53 
33 
8 
39 
58 
Rumker 
E.E. 
3 
56 27,9 
2 
29 
47,5 
— 0,5931dL — 2,298 d(R + r)— 0,1489 dp. 
heim . 
49 
29 
18 
33 
53 
Nicolai 
B.R. 
2 
35 
25,5 
2 
23 
49 
—2,549 dL +3,380 d(R—r)+ 1,807 dp. 
E.R. 
2 
40 
21,6 
2 
23 
44,4 
+ 0,6986 — 2, 3275d(R— r)— 0,8319 dp. 
E.E 
3 
58 
34,5 
2 
23 
41,4 
—0,5246 —2,280 d(R + r) — 0,0687 dp. 
r Cork, 20" East 
51 
55 
31 
133 
36W 
Brisbane 
B.E. 
11 38 30,6 
1 
16 
21,94 
— l,2222dL + 2,5343d(R + r) + l,48539dp. 
ereof in Time. 
E.E. 
C 
2 32 26,1 
1 
16 
17,27 
—0,2173 — 2,2308d +0,02515 
ty Heath, Stan- 
51 
37 
44,3 
1' 
21" 
Beaufoy 
B E. 
0 
22 
57 
1 
48 
47,69 
— 0,9545dL+2,4166d(R + r)+l,11705dp. 
ore 
E.E. 
3 
14 57 
1 
48 
28,55 
—0,3875 — 2,2538d +0,0142 
nwich 
51 
£8 
40 
0 
0 
Pond 
B.E. 
0 
22 
37 
1 
50 
0,6 
— 0,9507dL + 2,415 ld(R + r) + 1 , 1027- dp. 
E.E. 
3 
14 
40 
1 
49 
48,8 
— 0,39215 —2,2555 +0,00999 
kheath 
51 
28 
2 
0 
0,3 E 
Groombridge 
E.E. 
3 
14 
32,8 
1 
49 
40,4 
— 0,3906dL— 2,2547d(R + r) + l,01004dp. 
ish Town . . 
51 
33 
34 
0 35,2 W 
F. Baily 
B.E. 
0 
21 
42,4 
1 
49 
24,64 
— 0,9526dL — 2,4159d(R + r) + 1,1 1002dp. 
E.E. 
3 
13 
41,1 
1 
49 
7,7S 
—0,3896 —2,254 +0,0107 
ch Observatory 
47 
22 
27 
34 
11 E 
Freer 
B.R. 
2 
42 
15,03 
2 
24 
17,68 
Diff. of Radii 65,59. Diff. of Latitudes 65,67. 
E.R. 
2 
43 
49,8 
2 
24 
14,74 
+ 3,629 dL— 4,2553 d(R— r)— 3,16'dp. 
ch Town . 
. 
Horner 
B.R. 
2 
42 
3,88 
2 
24 
9,06 
Diff. of Radii 65,59. Diff. of Latitudes 66,81 . 
E.R. 
2 
43 
41,42 
2 
24 
11,47 
+ 3,S46dL — 4,4408d(R — r) — 8,46dp. 
erdam . . . 
52 
22 
17 
19 
33 E 
Greve 
B.R 
2 
13 
30,5 
2 
9 
39,19 
Diff. of Radii 65,58. Diff. of Latitudes 67,142. 
E.R. 
2 
14 
24,5 
2 
9 
32,4 
— 6, 1 82 1 dL — 6, 56S6d ( R — r ; + 5,03097 dp. 
en . . . 
60 
23 
38 
21 
24 E 
Bohr 
B.R. 
1 
58 
53,23 
2 
11 
17,49 
+ l,0562dL+2,4586d(R— r)— 3,708dp. 
E.R. 
2 
2 
54,08 
2 
10 
41,41 
—2,554 —3,3841 +2,3537- 
