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p denotes the inclination of the Northern semiconjugate axis of the rings

to the circle of declination; + when East, when West. 1

angle of elevation of the Earth above the plane of the rings,

as seen from Saturn; + when North, when South. LI

elevation of the Sun above the plane of the rings, as seen

from Saturn; + when North, when South. The Conjunction of Saturn will take place on the 22d of February, and the Opposition on the 8th of August. The Right Ascension of this planet will not during the year differ much from 21h., and its declination will not be less than 16° South, so that it will not rise to a great height even when in the meridian.

A Table showing the Illuminated Portion of the Discs of Venus and Mars.

The numbers in this table are the versed sines of that portion of the Discs, which, to an observer on the Earth, will appear to be illuminated, the apparent diameter of the planet at the time being considered as unity.

To a spectator on the Earth, Venus appears most brilliant when her elongation is about 45°, and she is approaching her inferior conjunction, or receding from it; in which positions she will not be this year. Mars is most brilliant about the time of his opposition to the Sun, being then also nearest to the Earth, in which position he will be this year on the 18th of August. Venus.

Venus. Mars. January 15 0.870 0.926 July 15 0.958 0.948 February 14 0.925 0.903 August 15 0.905 0.999 March 15 0.963 0.884 September 15 0.837 0.962 April 15 0.990 0.870 October 15 0.757 0.902 May

1.000 0.870 November 15 0.656 0.872 June

0.990 0.993 December 15 0.533 0.868

1845.

Mars.

1845.

15 15

807

INCREASE OF SIDEREAL TIME IN MEAN SOLAR HOURS, &c.
Hours) Increase.

Min.
Incr.
Min.
Incr.
Sec.
Incr.
Sec.

Incr. m. sec.

sec.
sec.
sec.

sec. 09.857 1 0.164 31 5.093 1 0.003 31 0.085 19.713

329 32 257 2 006 32 088 29.569 3 493 33 421

008 33 090 39.426 657 34 585

011 34 093 49.282 821 35 750

014 35

096 59.139 986 36 914

016 36 099 1 8.995 7 1 150 37 6.078

019 37 101 18.852 8 314 38 242

022 38 104 28.708 9 479 39 407

025 39 107 38.565 10 643 40 571

027 40 110 48.421 11

41 735 11 030 41 112 12 58.378 12 971 42

900
12
033
42

115 13 2 8.134 13 2 136 43 7.064 13 036 43 118 14 17.991 14 300 44 228 14 038 44 121 15 27.847 15 464 45 392 15 041 45 123 16 37.704 16 628 46 557 16 044 46 126 17 47.560 17 793 47 721 17 047 47 129 18 57.417 13 957

885

18 049 48 131 3 7.273

3 121 49 8.050 19 052 49 134 20 17.130

20 286 50 214 20 055 50 137 21 26.986

450 51 378 21 058 51 140 22 36.842 614 52 542

060 52 142 23 46.699 778 53 707

063

145 24 56.555

943
871
066

148 Daily accelera

107
9.035
069

151 tion of a star

271 56
199
071

153 in passing the

435
57 364

074

150 & meridian.

600
528

077 58 159 m. sec.

764
692

079 59 162 3 55.9095 928 60 857

082 60 164

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LATITUDE AND LONGITUDE OF SOME OF THE PRINCIPAL PLACES IN THE UNITED STATES, &c., WITH THEIR DIS. TANCES FROM THE CITY OF WASHINGTON.

The Longitudes are reckoned from Greenwich. The Capitals (Seats of Government) of the States and Territories are desig

nated by Italic Letters.

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Latitude, Longitude, West, Dist. from
North. sin degrees. in time.

Wash'ton. h. m. s.

miles. Albany (Capitol), N. Y. 42 393

73 44 49 4 54 59.3 376 Alexandria,

D. C. 38 49 77 4 5 8 16 Amherst (Col. Chapel), Mass. 42 22 15.6 72 31 28 4 50 6 383 Annapolis,

Md. 38 58 35 76 33 5 6 12 Auburn,

N. Y. 42 55 76 28 5 5 52 339 Augusta,

Ga. 33 28

81 54 5 27 36 Augusta (State House), Me. 44 18 43

69 50

4 39 20 Baker's Island (Lights), Mass. 42 32 12 70 47 29 4 43 10 452 Baltimore (Bat. Mon't), Md. 39 17 23 76 37 30 5 6 30 Bangor (Court House), Me. 44 47 50 68 47 4 35 8 661 Barnstable (New C. H.), Mass. 41 42 6 70 18 34 4 41 14.3 466 Batavia,

N. Y. 42 59 79 13 5 12 52 370 Beaufort (Arsenal),

S. C. 32 25 57 80 41 23 5 22 45.6 Boston (State House), Mass. 42 21 22.7 71 4 9 4 44 16.6 432 Do. (Light),

42 19 41.1 70 53 43 4 43 33.9 Bridgeport (Bapt. Ch.), Conn. 41 10 30 73 11 46 4 52 47 234 Bristol (Episcopal Ch.), R. I. 41 40 3 71 17 19 4 45 9.3 409 Brooklyn (Navy Yard), N. Y. 40 41 50 73 59 30 4 55 58

227 Brunswick (College), Me. 43 53 0 69 55 1 4 39 40.1 568 Buffalo,

N. Y. 42 53 78 55 5 15 40 376 Burlington,

N. J. 40 5 10

74 52 37 4 59 30.5 Burlington,

Vt. 44 27

73 10 4 52 40 440 Cambridge (Observatory), Ms. 42 22 21.3 71 7 38 4 44 30.5 431 Camden, S. C. 34 17

5 22 12 467 Canandaigua,

N. Y. 42 54 77 17 5 98 336 Cape Ann (North Light), Mass. 42 38 21 70 34 48 4 42 19.2 470 Do.

South Light), 42 38 13 70 34 48 4 42 19.2 Cape Cod (Light House), Mass. 42 2 23 70 3 55 4 40 16 507 Castine,

Me. 44 22 30 68 45 4 35 Charleston (St. Mich's Ch.) S.C. 32 46 33 79 57 27 5 19 49.8 544 Charlestown (Navy Y'd), Mass. 42 22 71 3 33 4 44 14.2 433 Chicago,

II. 42 0

87 35 5 50 2 763 Cincinnati (Fort Wash.), Ohio, 39 5 54 84 27 5 37 48 497 Columbia,

S. C. 33 57

81 7 5 24 23 500 Columbus, Ohio, 39 57 83 3

5 32 12 396 Concord (State House), N. H. 43 12 29 71 29 4 45 56 474 Dayton,

Ohio, 39 44 84 11 5 36 44 Dedham (1st Cong. Ch.), Mass. 42 14 57 71 10 59 4 44 44 422 Detroit,

526 Mich. 42 21 57 /

82 58 5 31 52

156

80 33

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396

Dorchester (Ast. Obs.), Mass.
Dover,

Del.
Dover,

N. H. Easton (Court House), Md. Eastport,

Me. Edenton,

N. C. Exeter,

N. H. Frankfort,

Ky. Fredericksburg,

Va. Frederickton,

N. B. Frederick,

Md.
Georgetown,

S. C.
Gloucester (Univ. Ch.), Mass.
Do. (E. Pnt L’t.).
Do. (Ten P’nd Isl. L't.)
Greenfield (2d Con. Ch.), Mass.
Hagerstown,

Md.
Halifax,

N. S. Hallowell,

Me.
Harrisburg,

Pa.
Hartford (State House), Conn.
Holmes's Hole (Windmill), Ms. 41 27 15
Hudson,

N. Y.
Hudson (Reserve Coll.), Ohio,
Huntsville,

Ala. Indianapolis,

Ind. Ipswich (Eastern Light), Mass.

Do. West. Light), Jackson,

M'pi. Jefferson,

M'ri. Key West

, (s. W. Pt.) Fa. Kingston,

U. C. Knoxville,

Tenn. Lancaster

Pa. Lexington,

Ку. .

Ark. Lockport,

N. Y. Louisville,

Ky. Lowell (St. Ann's Ch.), Mass. Lynchburg,

Va. Lynn Church,

Mass. Machias Bay,

Me. Marblehead,

Mass. Marblehead' (Light), Mass. Middletown (W. Univ.), Conn. Milledgeville,

Ga. Mobile,

Ala. Montpelier,

Vt. Monomoy Point Light, Mass.

Latitude, Longitude, West, Dist. from
North. in degrees.

in time. Wash'ton. 1 11

h. in. s. miles. 42 19 10 71 4 19 4 44 17.3 432 39 10

75 30 5 2 0 114 43 13

70 54 4 43 36 490 38 46 10 76 8 5 4 32 80 44 54

66 56 4 27 44 778 390 77 7 5 28 29 284 42 59

70 55 4 43 40 474 38 14

84 40 5 33 40 551 38 34

77 38 5 10 32 56 46 3

66 45 4 27 0 39 24 77 18

5 9 12

43 33 21

79 17 5 17 8 482 42 36 44 70 40 19 4 42 41.3 462 42 34 49.6 70 40 11 4 42 40.8 466 42 36 4 70 40 17 4 42 41.1 463 42 35 16 72 36 32 4 50 26.1 39 37 77 35

5 10 20

69 44 39 20 63 36 40 4 14 26.7 936 44 17 69 50 4 39 30 593 40 16

76 50 5 720 110 41 45 59 72 40 45 4 50 43 335

70 36 38 4 42 26.5 457 42 14

73 46 4 55 4 345 41 14 42 81 23 45 5 25 35 34 36 86 57 5 47 48 726 39 55 86 5 5 44 20 573 42 41 8 70 46 17 4 435 462 42 41 8 70 46 34 4 43 6.3 32 23 90 8 6 0 32 1035 39 36 92 8 6 8 32 980 24 32 81 47 30 5 27 10 44 8 76 40 5 6 40 456 35 59 83 54 5 35 36 516 40 2 36 76 20 33 5 5 22.2 109 38 6

84 18 5 37 12 534 34 40 92 12 6 848

1068 43 11

78 46 5 15 4 403 38 3

85 30 5 42 0 590
42 38 46.7 71 19 2 4 45 16 439
37 36 79 22 5 17 23 198
42 27 51 70 57 25 4 43 50 441
44 33

67 22 4 29 28
42 30 24 70 51 244 43 25.6 450
42 30 14 70 50 39 4 43 22.6 443
41 338 72 39 4 50 36 325
33 7 20 83 19 45 5 33 19.0 642
30 41 48 87 59 5 51 56 1033
44 17

72 36 4 50 24 524 41 33 35 69 59 56 4 400 500

Little Rock,

Latitude, North.

11 45 31 41 16 56 36 9 33

40 45 41 38 7 35 20 41 31 42 48 32 42 49 30 39 40 41 18 30 41 22 29 57 30 41 29 40 42 40

42 19 9 41 33 30 24 37 13 54 39 56 59

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144

Montreal,

L. C. Nantucket (S'th Tower), Mass. Nashville (University), Tenn. Natchez (Fort Panmure), M'pi. 31 34

N. J. N. Bedford (Mar’s Ch.) Mass. Newbern,

N. C. Newburg,

N. Y. Newburyport (2d Pres. C.), Ms.

Do. (Lights), Mass. Newcastle,

Del. New Haven (College), Conn. New London,

Conn. New Orleans (City Hali), La. Newport (Court House), R. I. New York City Hall), N. Y. Nobsque Point Light, Mass. 41 30 57 Norfolk (Farmer's Bank), Va. 36 50 50 Northampton (1st C. Ch.) Mass. Norwich,

Conn.
Pensacola,

Fa.
Petersburg,
Philadelphia (Ind'ce H.), Pa.

Do. (High Sch. Obs.) | 39 57 9 Pittsburg,

Pa. 40 32 Pittsfield (1st Con. Ch.), Mass. Plattsburgh,

N. Y.
Plymouth (Court H.), Mass.
Portland (Town H.), . Me.

Do. (Light),
Portsmouth (Unit. Ch.), N. H.

Do. Light),
Poughkeepsie,

N. Y. Princeton (Nassau Hall), N. J. Providence (Univ. Hall), R. I. Quebec (Citadel),

L. C. Raleigh,

N. C. Richmond (Capitol), Va. Rochester (R'r House), N. Y. Sable (Cape),

Fa. Sacketi's Harbor,

N. Y. Saco,

Me. St. Augustine,

Fa. 29 48 30 St. Louis,

M'ri. Salem (E. I. M. Hali), Mass. Sandwich (1st Con. Ch.), Mass. Savannah Exchange)," Ga. 32 4 56 Schenectady,

N. Y. Springfield,

Il.

Longitude, West, Dist. from in degrees. in time. Wash'ton. h. m. 8.

miles. 73 35 4 54 20 601 70 6 12

4 40 24.8 490 86 49 3 5 47 16.2 714 91 24 42 6 5 38.8 1146 74 10 4 56 40 215 70 55 49 4 43 43.3 429 77 5 5 8 20 337 74 1 4 56 4 232 70 52 47

4 43 31 1 466 70 49 6

4 42 18.0 469 75 33 5 2 8 103 72 56 45 4 51 47 301 72 9 4 49 36 354 90 6 0

1203 71 19 12 4 45 16.8

403 74 1 8 4 56 4.5 226 70 39 37 4 42 38.5 450 76 18 47 5 5 15.1 217 72 38 15 4 50 33.2 376 72 7 4 48 28 362 87 10 12 5 48 40.8 1050 77 20 5 9 20 75 9 54 5 0 39.6 75 10 37 5 0 42.5 80 2 5 20 8 223 73 15 36 4 53 2.3 380 73 26 4 53 44 539 70 40 19

136 $

4 42 41.3 439 70 20 30 4 41 22 542 70 12 12 4 40 49 70 45 50 4 43 3.3 491 70 43 4 42 52 73 55 4 55 40 301 74 39 30 4 58 39 177 71 24 43 4 45 39.2 394 71 16 4 45 4 781 78 43 5 15 12 286 77 27 28 5 9 49.9 122 77 51 5 11 24 361 81 15 5 25 0 75 57 5 3 48 407 70 26 4 41 44 528 81 35 5 26 20 841 90 15 39 6 1 2.6 856 70 53 53 4 43 35.5 446 70 30 13 4 42 0.3 456 81 8 18 5 24 33.2 662 73 55 4 55 40 391 89 33 5 58 12 801

42 26 55 44 42 41 57 26 43 39 26 43 36 434 35 43 3 30 41 41 40 20 41 41 49 22 46 49 12 35 47 37 32 17 43 8 17 24 50 43 55 43 31

.

38 37 28 42 31 18 41 45 31

42 43 39 48

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415

Springfield (Court H.), Mass.
Squam Harbor (Light), Mass.
Straitsmouth Island (Light),
Stratford,

Conn.
Tallahassee,

Fa. Taunton (Trin. Con. Ch.), Mass. Toronto or York,

U. Ć. Trenton,

N. J. Troy,

N. Y. Tuscaloosa,

Ala. University of Virginia, Va. Utica (Dutch Church), N. Y. Vandalia,

Il.

Ind. Vincennes,

Ind. Washington (Capitol), D. C. Washington,

M'pi.

Va. Williamstown (Con. Ch.) Mass. Wilmington,

Del. Wilmington, :

N. C. Worcester (Ant. Hall), Mass. York,

Me. York,

Pa. Yorktown,

Va.

Latitude, Longitude, West, Dist. from
North. in degrees., in time. Wash'ton.

h. m. 8. miles.
11
42 6 4 72 35 45

4 50 23 357 42 39 46

a 35 36 4 42 22.4

70 41 8 4 42 44.5 466 42 39 41

471 41 11 7 73 8 454 52 35 287 30 28 84 36 5 38 24 896 41 54 11 71 5 55

4 44 23.6 43 33 79 20 5 17 20 500 40 14 74 30 4 58 36 166 42 44 73 40 4 54 40 383 33 12 87 42 5 50 48 859 39 2 3 78 31 29 5 14 5.9 124 43 649 75 13 5 0 52 333 38 50

89 2 5 56 8 781 38 46

84 59 5 39 56 556 38 43 87 25 5 49 40 693 39 53 23 77 1 24 5 8 5.6 31 36 91 20 6 5 20 1146 40 7 80 42 5 22 48 264 42 42 49 73 13 10 4 52 52.6 406 39 41

75 28 5 1 52 108 34 11

78 10 5 12 40 416 42 16 17 71 48 13 4 47 13.3 394 43 10 0 70 40 4 42 40 500 39 58 76 40 5 6 40 87 37 13

76 34 5 6 16

Vevay,

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LATITUDE AND LONGITUDE OF THE PRINCIPAL FOREIGN OBSER

VATORIES.
[The Longitudes are from Greenwich.)
Observatories.

Latitude. Longitude in time.

h. m. B. Altona,

53 32 45 N. 0 39 46.6 E. Armagh,

54 21 12.7 N. 0 26 35.5 W. Berlin,

52 31 15.5 N.

0 53 35.5 E. Brussels,

50 51 10.7 N. 0 17 29.0 E. Cambridge,

52 12 51.8 N. 0 0 23.5 E. Cape of Good Hope,

33 56 3 S.

1 13 55.0 E. 58 22 47 N.

1 46 55 E. Dublin,

53 23 13 N.

0 25 22 W. Edinburgh,

55 57 23.2 N.

0 12 43.6 W. Gottingen,

51 31 48 N. 0 39 46.5 E. Greenwich,

51 28 39.0 N. 0 0 0.0 Köningsberg,

54 42 50 N. 1 22 0.5 E. Munich,

48 8 45 N.

O 46 26.5 E. Paris,

48 50 13 N. 0 9 21.5 E. Petersburg,

59 56 31 N. 2 1 15.8 E. Rome,

41 53 52 N.

0 49 52.7 E. Turin,

45 4 6 N. 0 30 48.4 E. Vienna,

48 12 35 N.

1 5 31.9 E.

Dorpat,

5*

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