Celestial Phenomena from Oct. 1 . 1825 to Jan. 1 . 1826 . 865 
Occultation of Saturn hy the Moon. 
On the 30th of October, there will be an occultation of the planet Saturn 
by the Moon. The following are the Elements, and principal results of a cal- 
culation for Edinburgh, using the decimal Tables of Saturn by Bouvard , the 
Solar Tables of Delambre , and the Lunar Tables of Burckhardt. 
D. 
Geocentric d of the }) and at Edinburgh, Mean time , Oct. 30. 
H. 
21 
/ 
7 
1*08 
Apparent time , 
21 
23 
12,81 
Geocentric conjunction, in Longitude, 
81° 
18 
50,20 
Sun’s Right Ascension, ... 
214 
50 
^3,34 
■ horary motion in Right Ascension, 
0 
2 
26,23 
Apparent obliquity of the Ecliptic, - 
23 
27 
40,94 
Moon’s Latitude, south increasing, - 
0 
49 
57,53 
Equatorial horizontal parallax, - 
0 
55 
19,21 
horary motion in Longitude, ... 
0 
30 
52,04 
in Latitude, ... 
0 
2 
47,08 
Saturn’s Geocentric Latitude, south, - 
1 
34 
4,37 
For the Immersion. 
For the Emersion. 
h. , 
// 
H. 
/ 
// 
h. 
/ 
// 
H. , 
ti 
Instants assumed, App. time , 
20 1 
12,81 
20 
2 
12,81 
20 
57 
12,81 
20 58 
12,81 
Right Asc. of the Meridian, 
335° 5 
15,64 
335° 
20 
18,08 
349° 
1 7 
32,12 
349° 22 
34,56 
Moon’s true Longitude, ... 
80 36 
39,10 
80 
37 
9,97 
81 
5 
27,65 
81 5 
58,52 
true Lat. south, ... 
46 
9,19 
46 
11,97 
48 
45,13 
48 
47,91 
Altitude of Nonagesimal,... 
31 27 
56,0 
31 
33 
46,5 
36 
47 
0,1 
36 52 
31,2 
Longitude of Nonagesimal, 
12 22 
13,7 
12 
32 
12,5 
22 
47 
43,8 
22 58 
25,2 
Parallax in Longitude, 
+ 26 
51,19 
+ 
26 
53,93 
+ 
28 
16,41 
+ 28 
16,99 
Parallax in Latitude, 
47 
21,01 
47 
18,24 
44 
39,43 
44 
36,44 
Appar. diff. Long. }) and Jy, 
15 
19,91 
14 
46,30 
14 
53,86 
15 
25,31 
Appar. diff. Lat. }) and J7, 
D’s appar. mot. in 1 minute 
0 
34,17 
0 
34,16 
0 
41,81 
0 
40,02 
of time, 
33,56 
31,33 
Errors, from Inst, assumed, 
— 
12,83 
+ 
20,73 
14,64 
+ 
16,69 
Apparent time of Immersion, 
20 h 
V 35 
>",75 
Emersion, 20 h 57' 40", 85 
Hence, the final results are as follows : Mean time , 
D. H. ( h „ 
Immersion, October 30. 19 45 24,17 f at 34,17 ) South of 
Emersion, — 20 41 29,17 \ ... 40,93 J j)’s centre. 
The apparent semidiameter of Saturn being liable to some uncertainty, has 
not been used in the calculation. 
Eclipse of the Moon. 
On the 25th of November, there will be a small eclipse of the Moon, 'partly 
The eclipse begins, 
D. 
November 25. 
t // 
14 59 19 
Moon rises eclipsed, 
- 
- 
15 12 56 
Ecliptic opposition, 
- 
- 
15 46 10 
Middle, 
- 
- 
15 56 24 
End of the eclipse, 
- 
- 
16 53 30 
Digits eclipsed, 2 dig. 57' 6", by the north side of the Earth’s shadow, or 
on the south part of the Moon’s disc. 
VOL. XIII. NO. 26 . OCTOBER 1825 . B b 
