페이지 이미지
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1.98 19 0 49.48 49.38
1.96 19 12 57.16 57.30
1.95 19 17 55.16 55.38
1.94 19 39 7.19 7.22
1.93 19 43 27.32 27.35
1.93 19 49 25.51 25.67
1.92 20 9 19,13 19.11
1.92 20 9 42.91 42.98
1.90 20 37 35.31 35.50
1.89 20 53 20.28 19.78
1.87 21 26 46.70 46.49
1.85 21 53 54.34 50.33
1.84 22 6 31.89 35.63
1.81 22 44 46.88 46.84
1.81 22 49 20.46 20.56
1.80 22 57 17.50
1.79 23 6 32 67 32.82
1.78 23 11 37.01 36.83
1.76 23 32 14.12 13.97
1.76 23 40 13.66 13.48
1.75 23 50 59.28 59.34
1.75 23 57 38.98 39.17
1.75 38.52 38.69
1.75 5 30.75 30.84
1.74 12 5.63......

19 55.75 55.53 1.73 27 31.83 31.17 1.73 36 2.84 2.91 1.72 40 54.05 53.87 1.71 45 20.13 20.19 1.70 1 5 46.50 50.78

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12.4 | 28.6 | 46.0 | 2.8 19.6 37.0 54.0 15 43 2.91 .......... + 0.04 +8 35 52.89 18 55.84 55.55 46.0 2.4 20.0 37.0 | 54,0 11.2 28.0 15 51 36.94 ........... + 0.21 35 54.30 27 31.45 31.19 47.6 30.8 24.0

..... ...... 16 20 30.80 +10 51.96 -1 44.00 36 0.58 1 5 39.34 51.68 36.4 54.0 11.0 28.4 45.2 2.6 20.0 | 16 40 28.22 ......... + 0.43 36 2.32 1 16 30.97 31.07 25.0 420 59.0 | 16.0 | 33,4 50.4 7.6 | 16 46 16.201.......... - 0.26 36. 3.27 1 22 19.21 19,17 41.0 / 58.2 | 15.2 | 32.4 | 49.4 / 6.6 | 23,6 | 16 57 32.341.......... - 0.22 + 36 5.13) 1 33 37.25) 37.20

* Observed with mean-time chronometer No. 76.

Longitude of Camp Riley-Continued.

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CHRONOMETER TIMES OF TRANSIT.

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LAMP.

OBSERVED

MEAN OF
1. OBS'D WIRES Imperfect

transits.

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o Piscium ........

Moon, 2d L..... gi Ceti...........

713 B. A. C....
2 Ceti......

783 B. A. C.....
Eridani ....

s. s. s. s. s. 1 S. S. h. m. S.

8 |
31.2 48.2 5.8 23,0 40.0 | 57.2 14.0 17 1 22.77 ..........
5.0 22.0 39,5 57.4 15 32.0 50.0 17 22 57.27
1.2 18.2 35.2 52.6 | 9.8 27.0 44.0 17 28 52,57

2.0 23.4 | 44.4 | 5.4 27.0 48.0 17 34 55.03 - 10.60 +
7.0 23.4 40.6 57.8 15.2 32.4 49.4 17 43 57.97
43.2 4.6 26.0 47.3 85 30.0 51.2 17 49 47.24 ........... +
19.01 41.5 4.0 26.5 48.6 11.4 33.4 | 17 58 26.34

+

8. . . . . 8. | h2 m. . 1 s. 0.40+ 36 5.75 1 37 28.12 27.95 0.36 36 9.35 1 59 6.16 ...... 0.39 + 8 36 10.27 2 5 2.45 2.74 2.02 3 6 11.24 2 10 57.69 58.46 0.37 36 12.75 2 20 10.35 10.73 2.05 36 13.72 2 26 3.01 4.09 2.32 36 15,14 2 34 43.80 44.55

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9.0
......
30.5
42.5

57.8 ...... 31.5 19.0 8.6 18 21 44.48..
24.0 20.0 ...... 12.0 | 6.4 18 28 31.18
42.4 55.0 | 7.0 18.8 31.0 19 14 54.81
7.0 30.4 49.2 | 11.2 45.2 | 20 16 29.01

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y' Sagittarii.......

Sagittarii... o Sagittarii ......

Aquilæ ........ d Aquilæ ......... B Cygni ...... noSagittarii ...... a Aquilæ ........ c Sagittarii........

13.4

18

| 10.8 30.0 49.2 7.6 26.4 | 44.0 3.2 18 45 7.33
53.5 11.5 29.3 48.0 6.0 24.2 42.0 18 48 47.80
47.0 5.8 24.0 42.0 0.4 18.6 37.0 18 55 42.11

6.0 23.5 18 57 14.75
5.2 22.4 | 39.4 56.5 13.8 30.6 47.8 19 17 56.53
41.8 1.5 21.0 40.2 59.6 18.8 38.0 19 24 40.13
38.4 58.0 16.8 35.4 54.0 31.8 19 27 35.40

............ 27.5 / 45.0 2.0 19.8 19 43 53.58....
29.0 48.4 27.0 46.5 6.0 24.8 19 53 27.10
39.6 57.2 15.0 32.4 50.0 7.8 25.0 18 58 32.43
40.0 4.0 27.6 52.4 ...... 40.2 | 4.0 19 10 8.03....
44,0 3.6 23.0 41.8 1.6 20.6 39.8 19 24 42 06
35.0

52.4 9.6 27.0 | 44.0 1.4 | 19 39 9.60
...... 54.0 12.2 30.4 48.4 6.5 19 43 39.33
53.2 10.0 27.4 45.0 2.6 / 20.0 37.2 20 9 45.06

8.8 45.2 3.0 21.0 38.6 20 18 53.93 37.5

31.5 49,5 8.0 25.8 20 31 31.61 9.2 33.5 57 5 22.0

33.5 20 36 21.62 43.5 1.0 35.0 52.4 10.0 27.0 20 44 35.27 58.7 17.0 53.2 11.5

20 55 53.21 36.0 56.0 15.5 35.3

34.0 21 6 35.20

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24.5

55.5

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...en ........... 18 13 47.00
47.2 31.2 22.4 18 30 33.60
30.0 | 48.8 7.4 18 45 11.74
54.4 12.0 29.0 18 58 36.63

44.0 7.6 19 11 55,74
35.5 53.0 19 18 1.79

44.0 19 24 46.36
29.6
48.0 6.4

7 10 11.37..
39.8
39.8 58.4 / 16

16.8 7 57 21.46
50.0 29.6 8 28 31.20
13.4 32.0 50.0 .8 44 54.94
9.2
| 8 54 50.83

-
9 4 37.90 + 45.77 -
19.6 36.8 53,4 9 53 2.32 ....... +

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27 3 Aquilæ .........

0.4

52.4 | 10.2 | 8 56 35.24 – 17.47 + B Sagittarii....... 24.2 48.0 12.0 35.6 59.6 23.6 48.6 9 9 35.94 .......... 8 Aquilæ .........

23.0

30.8 9 15 40.06 B Cygni .......... 25.2 44.8 3.6 22.8 42.0 1.2 20.0 9 22 22.80 ho Sagittarii........ | 20.8 39.6 58.4 16.8 35.8 54.4 13.2 9 25 17.00.......... y Aquilæ.......... 56.4 13.8 30.8 48.0 5.0 22.0 | 39.6 | 9 36 47.94.......... + B Capricorni...... E. 16.8 35.2 58.2 10.4 28.0 45.6 3.2 10 10 10.34 7 Capricorni......

18.4 36.0 54.2 12.0 10 16 45.15 – 27.01 Iv Capricorni...... . | 9.0 27.4 | 44.4 | 2.4 | 20.8 | 38.0 | 56.4 | 10 29 2.631........ * Resumed sidereal chronometer No. 420. t Instrument adjusted in azimuth. Instrument reversed.

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0.35 10 2 11.72 18 58 29.81 29.92
0.97 10 2 13.90 19 11 48.78 48.88
0.11 10 2 14.90 19 17 55. .08 55.01
0.61 10 2 6.09 19 24
0.42 10 2 16.47 19 27 33.
0.25 10 2 18.37 19 39 6.57 6.86
0.34 10 2 23.85 20 12 33.85 33.68
0.41 10 2 24.86 20 18 42.59 42.82
0.41_10 2 26.95 20 31 29.17 29.46

Mean-time chronometer No. 76.

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Longitude of Camp RileyContinued.

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y Aquilæ......... E. 50.0 | 7.6 24.4 | 41.6 | 59.2 16.41 33.6 7 53 41.83.........
a Aquilæ......... 9.6 26.4 | 44.0 0.8 18.0 35.6 52.6 7 58 1.00..........
31 Sagittarii ......

22.8 40.4 / 58.0 16.0 33,4 50.8 8 4 6.90
Moon, 1st L..... 54,0 12.4 30.8 49.0 | 7.6 25.6 44.6 8 11 49.14
a?Capricorni....

37.6 | 54.4 12.0 29.6 47.0 4.4 8 24 12.14
B Capricorni......

9.8 27.
445,2 2.6 20.4 38.0 55.6 8 27 271

+
Capricorni...... 16.8 34.8 52.8 10.8 28.8 46.8 4.4 8 33 10.74
v Capricorni.....
1.6 | 19.6 | 55.0 13.2 49.2 8 45

+ +25 Aquarii ........ W. 7.2 24.8 59 2 16.6 33.6 50.8 8 50 59.23

+ n Capricorni...... 20.4 38.8

33.2

9.2 9 2 14.94 v Aquarii........ 56.0 13.2 30.0

5.4 22.4 39.6 9 7 47.80 29 Capricorni.... 55.0 | 12.8 | 30.4 | 48.0 5.8 23.2 | 40.8 | 9 13 48.00... ? Capricorni...... 20.0 38.0 55.8 13.8 31.6 49.4 7.2 9 20 13.69 B Aquarii........ 7.3 24.4 / 41.2 58.8 | 16.0 32.8 ..... 9 29 50.08 + 8.55 + y Capricorni..

10.4 28 0 46.0 4.0 | 22.0 39.6 57 2 9 38 3.90 .......... + Moon, 1st L ... 11.0 29.2 47.2 5.2 22.8 40.4 58.8 | 9 46 4.95 .......... + 1Aquarii........ 40.0 / 58.0 | 15.6 | 33.2 / 50.8 / 8.4 | 26.0 | 10 4 33,14! ......... + * Interrupted by dense clouds. | Instrument reversed. $ Interrupted by clouds.

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Sky obscured by dense clouds.

Longitude of Camp Riley-Continued.

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-------

* Instrument reversed.

† Wire VI indistinct.

From the “Greenwich Observations” for 1849 we obtain the following observed corrections of the AR. of the moon's bright limb:

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. Sept.

20

July 27.......

29...

.41
--

.51
Longitude of Camp Riley by corresponding observations.
h. m. S.

h. m. S.
7 48 37.98 Aug. 3....... 7 48 51.51 Oct. 28.-.-.-
23.51
29...

39.97
7. 45 Sept. 5...na

6.99 Nov. 1....na 37.60

18.27

5.-.-.nn 39. 29

h. m. 3. Mean ..

7 48 24.70 Probable error of result.........

--- = = 2.32 Probable error of single observation....... --- = 8.05

h. m. S.
7 48 24, 48

15. 13 13. 41 25. 37

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30.-...

31.--

Call

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29...-

Applying these corrections to the computed AR. of the moon's limb for each date of observation, and comparing with the observed AR., we obtain : h. m. S.

h. m. S.

h. m. s. July 27....--. 7 48 36.81 Aug. 28.---------

7 48 21.77 Sept. 30...----748 17. 78 20.90 29.... . 41.89 Oct. 23...

34.80 6.88 Sept. 3.

9.77
25...

22.50 37. 32

18.54
28...

25,02 45.08

15. 12

14. 09
Aug. 2.-
29.28

41. 90
Nov. 1...

16. 17 39. 60

34. 61

18.00 22.98

22.75 27.... 36. 91

21.85

h. m. 3.
Mean...

..... 748 25. 98
Longitude of Camp Riley, computed in the field from the predicted place of the moon in the
Greenwich ephemeris for 1849..--..

... 7 48 13.1

23. 07

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