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A S T K 0 N 0 M I S C H E N A C H K I C H T E fi.
NP. 760.
B e o ~ a c h t u n g e nder P l a n e t e l l Victoria, Ff orn uiid Egeria am Fraunliofer'scheu Equatoreal der
von I I e i ~ i i R. C. Carrington.
Dnrliarncr S t c r u w a r t e
(Fur Jic Sstron. Nachrichten giitigst niitgetheilt yon Herrn 8heepshanrl-d.).
,
-V i
Grrcnw. RI.
1850 ivov. 2
4
5
8
12
14
16
21
27
28
c
t o r i a. (Fortsetzuog zu Xr. 741).
T.
10h 18"'52'4
10 47 37,5
8 2 42,5
9 36 40,8
11 I 1 3 i , 9
12 0 12,4
7 17 4 i , 7
8 23 6,2
8 32 27,2
10 16 21,2
9 59 G,9
Ayy. H..A.
23h24"17*93
24 55,47
25 14,09
26 29,43
2 8 32,61
33,67
29 36,96
30 53,90
34 28,87
39 33,50
2 3 40 ?6,84
---
xu. of Co1nps.
dyp. S. 1'. D.
R.A.
8 4 10 8,7
I 5 19,8
31 45,3
8
24
11
21
Z7G224
50
0,l
4,7
0,l
85 3 45,8
16 21,9
24 9 , 3
8 5 24 41,s
81 57
N-P.D.
Set.
8
8
8
20
21
22
23
24
25
26
27
28
29
30
18
I4
23
24
12
23
--
4
8
6
8
8
8
6
8
Assunied Apparent Places of Stars of Comparison.
Ajqn. R.A.
Bame.
\
XAX.
s o . 594
1
23h 28"'39'69
22 1 6 , 7 3
20 24,07
B. A. C. (I177, Grernm. 1 2 -year Cat.
20 24'04
29 12,37
Weisse, sxI11. KO. 602
26 16,05
534
29 12,35
602
32 16,58
Fioni the Naut. Aim.
I Yiscium.
32 16,53
39 24,67
Weisse, xB111. N o . 803
23 39 24,66
Weisse,
458
- - -
-
-
-
The observatioiis have been corrected for refraction, and
for parallax by Mr. Yvotz Villarcenzi's ephemeris.
Nov. 2. Wind so loud that no observations could be
taken till the planet had passed the meridiari.
Nov. 4. Wind extremely boisterous. T h e hearing tube used
throughout, but the beats frequently drowned by the roariiig.
Nov. 5. Windy. T h e dimerenccs turned out better than
expected.
Nov. 8. Not a favourable obnervatioli: troubled by wind
and haze, principally hy the lalter.
Bov. 12. Thc sky recently cleared.
Nov. 14. The planet dim from moonlight entering the field.
N o v . 27. Planet and star in a difficult position. Iiight
ascension and north polar distance measures taken separately.
S2r Ed.
N.P. D.
83C'57' 44uI)
84 2 3 42,6
26 20,6
26 20,7
54 26'0
5i 26,5
84 5 4 26,l
85 10 52,7
10 52,9
AH.
31 40,9
85 34 4 1 , O
Sct.
4.1
20
21
22
23
21
25
26
27
28
29
30
Some suspicioii about the setting of the wire-frame oil this
occasion.
Nov. 28. Planet better seen than on the 27th; Observation was discontinued after this date, as the measures were
found to be losing the requisite precision.
,,Since the publication of Mr. ViZZurceau's ephemeris, 1
have applied the corrections for parallax to niy former observations, and 1 subjoin a list of the resulting differences between the observed and computed places. I have altered t h e
assunled place of one star only, that of set lo, taking it in
preference froni the Greenwich 12 -year Catalogue. An error
of one revolution of the micrometer (20"O) has also been
corrected. One revolution is assumed to be = ~ O " O O O
-0'~0020 (T. -45'
Fahr.).
17
Nr. 760.
247
- Set.
R. A.
1
2
3
4
5
6
7
8
9
10
11
12
13
+o3oi
14
15
16
17
18
19
20
21
22
23
21
23
26
27
28
29
30
248
Excesses of the Ephemeris over Oliservation.
,,Assunling that these excesses may be representrd generally lry the forniula,
E
+0,i9
-0,39
-0,30
+0,13
+0,09
+0,42
+0,32
+0,36
+ Bt + Ct",
=A
the values of A, R, and C, have been computed by the foriniilae given by the principle of niiriimum squares, and the
results are,
Excess i n R. A. = +OU6688 +0"2102 t-OI'00598. t o
N.P. D.
.
= +O,O2O
- t+0,00166 -
-0,0336
t heisg reckoned in nieati d a y s from September 20,0.
+0,36
+0,12
,,For every ten days these expressions give,
0,oo
-0,07
+0,36
-0,35
-0,64
+0,15
+0,31
+0750
-073t
-0,33
-0,27
-0,64
-0,54
-
Sept. 20
-
Calcul. - Obserr.
R. A.
N. P. 1).
+0'046
+O,l46
+O, 167
+0,107
-0,031
-0,250
-0,549
-0,927
30
Octb. 10
20
30
KOV.
9
19
29
+0"02
-0,15
+O,Ol
+0,50
+I 933
+2,49
+3798
+5,80
irliich nmnt be considered the results of the Durham ohservatioris for this oppositiorr. We depend entirely on others
for the re-observation of the stars of comparison, by far the
greater nuniher being too small for the Durham transit circle.g6
-0,44
-0,63
-0,12
-0,SR
-1,17
-0,91
- - ---
F I o r a. (Fortsetxung zu Kr.713).
KO.o f Comps.
Greerrw, 31. T.
'
1850
Nov. 5
10ht5'"22n3
11 0 41,O
11 37 4,O
I 1 24 17,H
8
21
Ayp. R.A.
23h 58"'41'80
42,Ol
23 58 59,96
0 3 51,22
Ayp. S. P. D.
101�' 14"2
4,2
I 0 1 13 40,s
99 38 5,l
R.A.
S.P.D.
24
23
9
8
8
1
-I
8
9
10
Name.
B. A. C. 8361
Weisse, XXIII. 1232
B. A. C. 8361
Weisse, XXIII. 1219
7
8
3
9
10
R. A.
N. P. D.
23'' 5 6" 5 1'85
23 59 51,37
23 56 51,83
0 0 40,66
101'20' 23"7
I 0 1 32 0 7 3
101 2 0 24,O
99 39 l5,6
Nov. 5 . Very windy.
Nov. 8. State of the atmosphere very unfavourable.
Kov. 21. Very hazy. T h e planet sunk down into a bank of fog.
Set.
-.
3
Assumed Apparent Places of S t a r s of Comparison.
Set.
t2
Nr. 760.
249
-- -
Greenr.
1850
h v . 21
27
28
Dec. 6
8
9
12
19
20
21
23
26
27
28
M.T.
7h 1jrn48'3
12 39 21,l
12 21 12,9
11 9 24,5
7 20 35,3
10 8 1,9
11 28 21,2
7 8 27,3
I 1 25 23,7
8 52 54,8
12 5 37,5
8 30 3,2
10 49 14,4
8.40 53,2
10 37 22,7
8 I 4 ?0,3
9 59 32,7
10 15 50,l
250
-8,381
1h 43"30'49
19,20
39 9,14
38 35,08
3 1 54,ll
51,iO
3 1 12,52
33 59,47
55,99
33 19,03
32 53,OO
32 55,77
33 1,37
33 15,58
16,36
33 50,41
34 6,13
I 34 23,17
$-8,125
+8,345
+8,271
-8,126
+8,165
+8,435
-8,120
+8,431
+7,805
+8,551
+7,900
+8,462
+8,073
+8,155
$-7,961
+8,408
+8,451
w81"18' 76"7
31,s
80 58 11,8
5 4 32,O
20 80,O
44,5
10 55,8
80 6 5i,2
793
79 5 1 17,O
10 5?,8
79 5 45,6
78 59 4,4
46 67,i
34,2
27 47,9
20 1 4 2
78 13 5 4 , l
,,Pis tbe eqiiatoreal hour parallax in seconds of arc, and p and
respectively.''
- -- -
No. of Comps.
Log P
P
App. R.A.
R. A. N.P.D.
-9,866
9,869
9,869
9,859
9,852
9,852
9,864
9,850
9,864
9,845
9,877
9,839
9,860
9,839
9,858
9,835
9,850
-9,853
24
18
24
23
8
20
23
23
15
24
I5
24
16
24
18
24
24
18
8
6
8
8
Set.
I
2
3
4
d
5
7
8
8
6
7
8
9
10
11
12
13
5
8
5
A
8
8
6
8
8
6
14
t5
16
17
18
q are the corrections in seconds of time and arc
- --Assumed Apparent Places of the Stars of Comparison.
App. H. A.
Kame and Authority.
1h41m19'77
44 45,go
11 23,45
42 25,67
34 13,77
30 25.24
30 25,23
31 34,47
39 11,97
39 13,95
Anunymnus, 9th mag.
33 43,33
33 43,32
32 25,51
Weisse 1h, 569
B..4.C 490, Greenrs. 12-year Cat. 29 41,79
188,
29 12,OO
29 11,96
188,
Weisse, I h , 539
31 15,73
1 31 15,72
Weisse,
lh743
80 I
Anonymous, 9.10 mag.
IVeisae, lh,
756
633
526
526
555
B A.C. 512, Greenw. 12-y.Cat.
-
-
-
,
-
-
-
-
-
--
N O ~ 21.
.
Hazy. Planet considered to he of 10th mag.
Nov. 27. Weifisc, I h , 718 was missing. The place of
the a m u s e d depends upnn Weisse, Ih,756. It h a s a small
companion n. p.
Dec. 9. Set 8. Weisse, i h , 555 is i n error in right
ascension. After comparing it with No. 526, I have diminished
its right ascension by 13�. The north polar distance agreed
with the catalogue.
Dec. 12. Planet dimmed by haze, but the measures
good.
App.
N.P.D.
81'28'
81 9
81 3
80 55
80 30
80 15
80 15
80 5
79 5 4
79 54
79 7
79 7
7 8 52
78 4 1
78 37
71.1 37
78 19
78 19
9"6
8,8
38,A
55,l
34,l
3,s
3,6
8,4
li,3
17,4
32,9
33,o
41,O
3,9
23,8
21,o
19,0
19,O
Set
1
2
3
4
5
6
7
8
9
10
11
12
is
14
I5
16
17
18
Dee. 19. Moonlight nearly overpowering the planct. 1
could hardly afford to illuminate the wires sufficicntlg.
Dee. 20 and 21. T h e same circumstairces.
Dec. 23. T h e second set on this night is tbe better one;
the telescope's unsteadines8 giving trouble in getting set 14.
Dec. 27. Patches of vapour, but the planet brighter
and better seen than of late.
Dec. 28. High wind. Several other comparisons made
and rejected on examination.
17 *
Nr. 760.
251
252
Bond's Comet.
- ---
The dars used at Durham (ser val. 3 1 p. 321) correcttd.
MeanH. A. (1850.0)
Lalende, 11384
Annnymous
7b17" 9'0'2
43" 10' 52"O
50 8 9,4
52 26 57,8
7 13 15,56
7 53 33,16
Lalaade, 15636
App.
App. Place of ( I ) on Sept. 13
R. A.
KO. o f Obs.
Set ( I )
3
2
2
(2)
(3)
App. S. P. D.
7" 17"' 9'96
7 43 16,41
7 53 33,95
16
17
(2)
(3)
M e m S.P.D.
43'1 I ' 6"9
50 8 22,4
52 27 10,2
,,These are meridian observations taken with the small transit circle of the Durhani Observatory. Star (2) was almost
i n its R. A. as previously assumed."
too failit for the aperture of the telescope. There was an error of I"'
Kational Observatory, Washington.
Observations of Clio
made with tho Filar - Micrometer of the Equatoreal b y J . Rcrguson. (Corrected for refraction).
--
- -- Octh. 28
29
31
-
h'ov.
1
2
4
-
5
*)
9
10
-
-
7 19 31,4
-
-
8
13
14
7 39 24,7
7 37 29,s
7 20 03,7
8 40 47,O
7 39 42,7
6 54 56,7
18
21
24
30
Dee.
toh I l " 1 3 ' 7
8 44 58,6
9 16 10,4
7 39 36,4
10 13 01,8
7 33 40,9
8 28 51,9
8 I 5 07,6
9 00 01,b
8 16 07,7
8 53 47,7
7 48 52,7
7 52 26,s
8 18 33,s
8
9
I1
20
7 t5,8
c
-
6
6
8
8
8
4 1 38,9
47 4 1 , l
46 01,2
42 15,2
17 41,8
Cump.
10
Star of Cump.
H
5
11
5
4
6
12
12
4
4
5
5
20
12
20
10
10
7
7
17
10
6
5
13
-1
b
B. A. C.
8177
Weisse Xx1II. 458
--
534
602
534
602
531
602
602
602
B . A . C . 8233
-
m'eisae XXIIl. 803
-
Weisse 0.
803
931
1032
1032
1032
1015
83
-*
11,02
-1 36,24
-0 48,11
-0
47,Ol
- 0 34,OH
-0 33,59
-0 17,33
- 0 17,25
-0
37,28
--0 36,5G
+ 4 51,42
4-2 32,02
+O 45,13
-2 10,82
+ i 13,72
-1 41,94
+ 1 11,96
- 1 41,15
-0
3,35
+O 32,87
+O
6,36
+ 2 22,32
-2 2 2 , l l
+ 3 01,90
-3 08,IO
+O 25,65
+I
31,89
+3 52,15
-3
17,15
- 0 19,98
Clio apparent
A 6.
A a.
-1"'4 4 '6 9
10 Santini 1636
4
a
14 Santini 1636
4
14
6
5
-- - - Cliu
KO.
M.T. Wash.
1850
- 5'45'189
+ I 2 51,93
51,Ql
-12
- 0 59,31
1 42,46
7 12,03
- , 7 57,il
-14 2 4 , s
- 1 4 36,17
-12
48,11
-12 58,21
f 9 46,38
-
+
7 08,14
+I1 0 3 , 5 1
02,23
10,79
4-12 36,62
9 30,21
+12 26,86
0 14,80
- 3 23,35
0 54,42
- 5 54,70
+ I 3 10,35
9 23,85
+ I 5 02,83
6 06,96
7 42,70
+ I 1 29,81
3 13,14
- t o 43,53
+17
+9
+
+
+
+
+
+
-
a.
23h23"'18'63
23 26,60
23 27,05
23 49,19
23 50,61
24 03,52
24 01,oo
24 20,08
'24 20,15
2 1 57,YG
24 58,68
25 18,56
25 18,73
27 01,22
27 01,M
27 29,79
27 30,46
27 31,01
27 31,26
29 09,oo
29 45,22
32 22,16
3 1 38,27
37 0?,61
42 26,55
42 26,63
50 35,42
51 41,65
54 01,91
23 5 4 Oi,81
0 4 48,25
') These obwrvstions to the 9th Korember hale been published i n the Aotronomical Journal.
d.
A.
+6 "3 5 ' 4 7 9 7
28
28
14
14
08
07
01
01
46,35
41,91
52,06
08,91
09,33
51,25
26,79
l4,87
09,21
59,lj
26,81
25,91
39,27
36,27
14,50
4-5 49
48
43
43
22
22
18
I 8 10,58
18 03,95
18 00,H3
0 5 48,68
02 10,85
+4 49 j8,93
43 09,66
38 29,50
34 41,62
34 45,28
40 36,79
42 12,32
45 59,43
45 58,12
+S 10 04,57
8
9
9
10
10
10
10
9
9
9
9
8
8
8
8
7
7
7
7
8
9
6
8
8
8
8
7
7
8
8
8
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