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Nr. 784.
267
269
Beohachtungen am Frauuliofer'schen Equntoi-cal der Diirl1:iiiw.r Sternwarte ,
von Herrn R. C. CarrBgton.
Greetiw. 31. T.
1851
Set.
1'
tog.
tJ
H. A.
a
-i
\
v
m
7
2
3 .I103
2
3
4
--
Same.
Sct.
-
-
4
4
. 121
. 180
H. 4.
h-. P. I).
3h19'"51'30
3 56 53,39
4 7 0,25
4 9 32,04
84'>57'0"9
86 31 2 1 , 8
87 0 1 2 , 4
87 50 3 2 , 7
q
I'
Log.-
S. 1'. D.
So. of Cotnps in
It, A.
N. P. D.
lirst observation \vils take11 with a rvircniicrameter , tlie three
last with a ritigniicrornrtcr, ratlitis 411". Rrfritction has been
applied. Cloudy weather prevented observation previous to
July 18; I was thrti iiltsetit lroni Durham till August 18;
attempts since Sept. 6 hitvc been utiaucceasful.
il'otcs.
--
1851
1
2
3
Aug. 1 9
4
5
6
3.
H
- .Log
Greenw. 31. T .
Set.
20
21
26
30
Sept. 1
3
21
'
1 11' 0"'I9 '0
10 57 16,O
10 9 l 5 , l
10 1 5 8,8
.E
P
+8,697
8,6m
8,702
8,724
8,739
10 38 3 7 , i
1 2 52 51,O
9 56 6,6
10 57 28,;
8,661
8,759
+8,842
- -q
Log. p
3.1'. D.
5oJ 7'
19 38
49 10
46 3 9
44 3 7
4 3 31
11 29
33 35
53"
16,6
-9,8100
9,8058
9,7474
9,iH'LO
9,7637
9,9031
9,6733
-9,6429
19,8
48,s
17,O
45,9
57,5
25,l
Xn. of Ciimps in
R. A.
S. P . D .
18
15
n
7
I1
5
6
5
6
J
3
3
5
5
ti
5
I) is the Equ. Hor. Parailax i n seconds of arc; p arid q are the required corrections irr time and arc respectively.
-
Mean plac-es of Stars of Conlparison 185 i ,O.
Set.
1
h l a n t l c 2664 1
2
3
26804
4
5
6
7
8
s.
Same.
'
1'. 1).
ZZTr
Greenw. T. P. C. 1182
J,aliiiitle 27279
Greetnv. T. Y. C. 1218
ArgeI. Z. 118 f i r . 7.
Groonihridge 2239 (Johason)
Argel. Z. 13 S r . 68
19
48
46
44
43
41
33
28 3 , 7
54 29,O
36 19,2
46 1 5 , l
12 1 4 , 8
4 6 2?,7
38 ? i , O
N o t e s .
No nucleus traceable; the cornet h a s gradually been becoining fainter; it was a very difficult ohject on September 21,
I have seen it twice since that date, but havc beeii unable to procure any observation. The ring micrometer was used on
the three last occasions.
Nr. 784.
269
E u n o m i
Greenw. M. T.
1851
Set.
--
270
ii.
P
Log. -
R. A.
q
Log. -
K. P. D.
P
P
hlean places of Stars of coiiiparisoii 1851,O.
Same.
.1-Set.
and '2
lAal;lnde 33885
B. .4.C. 6222
Lalaiide 34222
3
4
Sept. 6
2
3
4
5
6
9
9
10
13
13
15
28
Oct. 2
2
4
6
12
8
9
10
I1
12
13
N. 1'. D.
w-
R. A.
113" 3' 14"s
112 59 14,9
11'2 23 38,s
18t116"' 6'25
18 13 1,92
18 23 31,37
Uessets precessions for the mean year have been applied
to Lnlundc's stars, and nat those given hy Bail?!.
-- ---- ---
1851
I
I
n o t e .
I r i s .
-Set.
-.-'
No. of Comps in
R. A. N . P . D .
Creenw. $1. T.
R . A.
13'1 7"' oso
t o 59 1,s
12 16 3,9
11 37 6,l
11 18 11,s
11 57 17,4
10 59 46,8
10 I 19,2
t o 11 52,s
I 0 52 0,l
9 56 33, 5
9 9 X,8
9 1 9 23,s
Oh 6"'50'70
0
4 59,83
1 57,51
4 17,90
2 9,28
2 H,18
0 39,22
+0'92
1,09
1,07
1,33
1,22
1,06
2,44
1,57
1,31
1,68
I,64
1,57
+1,15
23 5 0
46
46
45
43
23 4 0
K. P. D.
Exc. of Eyln.
50,68
49,Ol
19,64
51,oo
2,78
Exc. of Eyh.
77'28'
32
32
34
17"8
33,7
41,8
40,4
42 30,5
1 2 34,7
77 19 7,O
78 56 40,4
79 24 22,2
'24 32,9
38 48,9
79 53 28,O
80 39 24,2
-5 ('2
5,l
3,8
3.4
191
5,7
4,4
5,0
5,1
-0,4
No. of Comps in
H. A.
N. P. D.
18
24
15
18
24
24
24
18
24
24
9
24
24
6
8
5
6
8
8
8
6
8
8
3
8
8
Parallax and computed places taken from suppl. Saut. .4h. 1854.
6
7
8
9
10
21
I2
13
-
R. A.
Kame.
Set.
t and 2
3 and 4
5
- --
RIean places of Stars of comparison 185 I ,O.
\
,-,
Weisse o h t 28
Oh 7 "'5 2 '2 8
13. A. C. 8370 (Edinb. 011s.) 23 58 3,29
Weisse Oh 60
0 3 40,24
-23h
1236
1201
927
1030
I000
1010
B. A. C. 8300 (Edinb.
Weisse 23h 775
-23
-2323
-- 23
-23
Obs.)
0 0 3,19
23 58 21,15
45 23,46
50 9,46
48 52,24
49 22,90
45 1,36
23 37 46,56
x.
P. 1).
77"24'
77 2 5
77 46
77 44
77 57
78 54
79 21
79 3 1
79 36
79 52
80 38
30"9
57,7
16,8
42,7
16,2
5,9
15,8
54,3
36,7
52,6
46,6
N o t e s .
Iris shone a s a star of 7 . 8 magnitude, and was exceedingly brilliant on some of the earlier nights in September.
Nr. 583.
271
--
- - ----H y g e i a .
set.
1851
Greeiiw. 31. T.
R. A.
I
2
3
Srpt. 33
12h38"'16'8
12 19 27,1
1 3 16 10,4
13 3 23,2
10 52 3 3 , 3
1 2 1 57,6
9 54 5 2 , l
10 30 42,H
11 5 5 5 7 , t
10 1 6 2 7 , 3
1 2 4 3 30,s
10 50 4 , 5
Oh 2 0 "'4 2 '7 5
4
5
6
i
15
21
27
28
Octb. 2
6
-
8
9
i
"
8
10
11
12
10
12
272
N. P. 1).
Exc. of Eyl1.
1 9 r'0,32
I 5 1,16
10 37,20
9 5i,t4
7 1,03
4 15,14
3 32,G5
3 30,G;
2 52,50
1 28,03
0 0 13,27
82'' 8'
16
82 40
83 7
11
30
48
53
53
83 58
-1'59
1 ,13
1,42
i,o2
0,93
1,07
0,91
44"s
+ H"9
9,O
7,0
32,H
12,7
22,6
19,6
10,2
48,4
11,:
lo,?
41,o
57,7
21,s
8 4 8 16,:
81 17 1 6 , 3
0,81
1,27
1,13
0,84
--.0,64
Erc. of Eph.
7,Y
21
12
24
18
9,2
18
H,i
G
9
24
21
16
10,3
-+
No. of Comps in
R. A.
N. P. D.
10,6
9,'L
7,2
8
4
8
8
6
2
3
8
-!
I
24
6
8
21
8
Parallas and computed places taken froni Suppl. Saul. him. 1854.
--
--
Mean places of Stars of comparisoti ~ H ~ I , o .
set.
Nninr.
1
2
3
4
5
6
7
8
9
IYeissc:
318
0" 375
0'1
Grceniv. T. P.C. 16
Weisse Oh 169
Greenw. T.Y. C. 22
Weisse 0'' 192
- 0 9 7
0
-23
10
23
i t and12
23
-
5 . P. I).
R. -4.
'-
89
1222
1252
1251
0~'19"'13"49
2 2 50,14
12 55,98
10 1,75
18 1 , l l
1 1 27,89
G 1,79
0 5 22,91
23 59 26,52
0 0 53,74
0 0 16,54
8'L"lj'
18
82 38
83 4
7
32
53
55
83 57
84 2
8 4 12
il'otes.
i
11ygei;t appeared a s a star of 1 0 . 1 1 magnititdc.
Yept. 15 and Oct. 2. Iiiterruptrd b y fog.
Oct. 6. Interrupted by cloutls.
Oct. 10. Observed through thin cloutls.
&y4
42,3
l5,3
7,2
58,7
45,l
20,o
59,6
9,9
47,2
?6,6
-11'. C. Carrington.
BeolacIitung.cn
Observatory, Liverpool 1851, November 6.
O n the 15th of September last we had here a very line
state of atmosphere for astronomical obecrvation. On pointing
the 84 inch. achroniatic refractor to Saturn, I wils struck with
the great beauty of the imngc, and the new ring O\JtrUdc:tl
itself upon niy notice inrmediately. It was certainly niuch
broader than represented Iiy Professor Bond arid M r . Domes
a t the time of discuvery, extending over full half, or from half
to two thirds of thc space between the inner side of the
iooer bright ring and the ball of the planet. T h e olisciire
ring was well defined and equdly well seen on both sides of
the ball of the planet, but it was fainter near the inner edge
than it was near its junction with the bright ring. T h e bright
I
and ol)scure rings, where thrg crossed the ball of the planet,
were both beautifully defined, the primary division in the
fnrnier w a s seen a s a fine lilack line projected on the face of
the planet. I never saw the primary division so perfect before.
I exaniined the plariet for three hours with powers from 170
to 1100 with all of which the new ring wax distinctly seen,
but I could detect no other than the primary division in the
bright ring.
T h e follo~ving observations of Irene, Brorsen's Comet,
Hebe, Iris and Hygeia, I have obtained since my last cornmuriication.
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