Page images
PDF
EPUB

A Table showing the Illuminated Portions of the Disks of Venus and Mars.

The numbers in this table are the versed sines of that portion of the disks which, to an observer on the Earth, will appear to be illuminated, the apparent diameters of the planets 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 the form of which positions she will be on the 10th of November. 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 not be this year.

[blocks in formation]

Position and Magnitude of the Rings of Saturn, according to Bessel and

Strude, for every Foriieth Day in the Year, at 7 hours in the Morning.

[merged small][merged small][merged small][ocr errors][merged small][ocr errors]
[ocr errors]

22
22

7h. M. 1830, January

1

39'30-315 +3 52.0 --4 36.1 % 15.3 February 10 37.06 3.96 24.3 6 8.4 51.0 March

36.05 5.18 6.8 8 16.0 8 26.5 May

1 36.42 6.57 2 36.0 10 23.3 9 1.9 June

10 38.07 7.92 9.2 12 0.1 37.2 July

20 40.71 8.97 1 54.3 44.0 10 12.3 August 29 43.49 9.33 56.7

23.4 47.1 October 8. 44.86 8.73 2 14.0 11 13.3 11 21.7 November 17 43.78 7.68 32.4 10 5.9 56.0 December 27 41.07 7.10 37.3 9 57.2 12 30.1

31 40.77 7.09 36.8 10 0.5 33.5 a denotes the outer semi-transverse axis of the outer ring. b

outer semi-conjugate axis of the outer ring, positive when

the northern surface is visible, negative when the southern. P

inclination of the northern semi-conjugate axes 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. 16

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

seen from Saturn; + when North, — when South. The inner semi-transverse axis of the inner ring is two thirds of a diminished by 01.07. The inner semi-conjugate axis of the inner ring is two thirds of b. The Opposition will take place on the 10th of October.

66

LATITUDE AND LONGITUDE OF THE PRINCIPAL PLACES

IN THE UNITED STATES, ETC.,
WITH THEIR DISTANCES FROM WASHINGTON.

(The Longitudes are reckoned from Greenwich.]

The Capitals (Seats of Government) of the States and Territories are desig.

nated by Italic Letters.

Place.

Latitude,
North.

Longitude, West, in degrees. in time.

Dist. fr.
Wash.

h. m. S.

MIiles. Albany (Capitol),

N. Y. 42 39 373 44 494 54 59.3 376 Alexandria,

Va. 38 49 177 4 5 8 16 6 Amherst (College Chapel), Mass. 42 22 15.672 31 28 4 50 6 383 Annapolis,

Md. 38 58 35 76 33 5 6 12 37 Auburn,

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

Ga.

33 28 81 54 5 27 36 580 Augusta (State-House), Me. 44 18 43 69 50 4 39 20 595 Baker's Island (Lights),

Mass. 42 32 12 70 47 28 4 43 10 452 Baltimore (Battle Monument), Md. 39 17 23 76 37 305 630 38 Bangor (Court-House),

Me. 44 47 50 68 47 4 35 8 661 Barnstable (New C. H.), Mass. 41 42 6 170 18 34 4 41 14.3 466 Batavia,

N. Y. 42 59

78 13 5 12 52 370 Beaufort (Arsenal),

S. C. 32 25 57 180 41 235 22 45.6 629 Boston (State-House),

Mass. 42 21 22.771 4 9 4 44 16.6 432 Do. (Light),

42 1941.170 53 434 43 33.9 Bridgeport (Baptist Ch.), Conn. 41 10 30 73 11 464 52 47 284 Bristol (Episcopal Ch.),

R. I. 41 40 3 71 17 194 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 14 39 40.1 568 Buffalo, .

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

N. J. 40 5 10 74 52 374 59 30.5 156 Burlington,

Vt. 44 27 173 10 4 52 40 440 Cambridge (Observatory), Mass. 42 22 48.671 8 04 44 32 431 Camden,

S. C. 34 17 80 33 5 22 12 467 Canandaigua,

N. Y. 42 54 77 17 5 9 8 336 Cape Ann (North Light), Mass. 42 38 21 70 34 484 42 19.2 470 Do. (South Light),

42 38 13 70 34 484 42 19.2 Cape Cod (Light-House), Mass. 42 2 23 70 3 554 40 16 507 Castine,

Me. 44 22 30 68 45 4 35 Charleston (St. Mich.'s Ch.), S. C. 32 46 33 79 57 275 19 49.8 544 Charlestown (Navy Yard), Mass. 42 22 71 3 334 44 14.2 433 Chicago,

Ill. 42 0 87 35 5 50 2 763 Cincinnati (Fort Wash’n), Ohio. 39 5 54 84 27 5 37 48 497 Columbia,

S. C. 33 57 81 7

5 24 28 500 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 44 184 11 5 36 44 Dedham (1st Cong. Ch.), Mass. 42 14 57 71 10 594 44 44 422 Detroit,

Mich. 42:24 82 58 5 31 52 526 Dorchester (Ast. Observ.), Mass. 42 19 10 71 4 194 44 17.3 432

[ocr errors]
[blocks in formation]

Longitude, West, Dist. fr. in degrees. in time.

Wash.

11

[ocr errors]
[ocr errors]
[ocr errors]

h. m. s. Miles. Dover,

Del. 39 10 75 36

15 2 0 114 Dover,

N. H. 43 13 170 54 4 43 36 490 Easton (Court-House), Md. 38 46 10 176 8 5 4 32 80 Eastport,

Me. 44 54 66 56 4 27 44 778 Edenton,

N. C. 39 0 177 7 5 28 28 284 Exeter,

N. H. 42 58 70 55 4 43 40 474 Frankfort,

Ky. 38 14 84 40 5 38 40 551 Frederick,

Md. 39 24 77 18 15 9 12 43 Fredericksburg,

Va. 38 34 177 38 5 10 32 56 Frederickton,

N. B. 46 3 66 45 4 27 0 Georgetown,

S. C. 33 21 79 17 5 17 8 482 Gloucester (Univ. Ch.), Mass. 42 36 44 70 40 19 4 42 41.3 462 Do. (E. Point Light),

42 34 49.670 40 114 42 40.8 466 Do. (Ten Pound Isl. Light), 42 36 4 70 40 174 42 41.1 463 Greenfield (2d Cong. Ch.),

Mass. 42 35 16 72 36 32 4 50 26.1 396 Hagerstown,

Md. 39 37 77 35 5 10 20 68 Halifax,

N. S. 44 39 20 63 36 40 4 14 26.7 936 Hallowell,

Me. 44 17 69 50 4 39 30 593 Harrisburg,

Pa. 40 16 76 50 5 7 20 110 Hartford (State-House), Conn. 41 45 59 72 40 454 50 43 335 Holmes's Hole (Windmill),

Mass. 41 27 15 70 36 38 4 42 26.5 457 Hudson,

N. Y. 42 14

73 46

4 55 4 345 Hudson (Reserve Coll.), Ohio. 41 14 42 81 24 545 25 39.6 Huntsville,

Ala. 34 36 86 57 5 47 48 726 Indianapolis, Ind. 39 55 86 5 15 44 20

573 Ipswich (Eastern Light), Mass. 42 41 8 70 46 174 43 5 462 Do. (Western Light), ·

42 41 8 70 46 344 43 6.3 Jackson, .

Miss. 32 23 90 8 6 0 32 1035 Jefferson, Mo. 38 36 92 8 6 8 32

980 Key West (S. W. Pt.), . Fa. 24 32 81 47 305 27 10 Kingston,

C. W. 44 8 76 40 5 6 40 456 Knoxville,

Tenn. 35 59

83 54

5 35 36 516 Lancaster,

Pa. 40 2 36 76 20 335 5 222 109 Lexington,

Ky.
38 6
84 18

5 37 12 534 Little Rock,

Ark. 34 40

92 12 6 848 1068 Lockport,

N. Y. 43 11

78 46 5 15 4 403 Louisville,

Ky. 38 3 85 30 5 42 0 590 Lowell (st. Ann's Ch.), Mass. 42 38 46 71 19 24 45 16 439 Lynchburg,

Va.

37 36 79 22 5 17 28 198 Lynn Church,

Mass. 42 27 51 70 57 25 4 43 50 441 Machias Bay,

Me.
44 33 67 22

4 29 28 Marblehead,

Mass. 42 30 24 70 51 244 43 25.6 450 Do. (Light),

42 30 14 70 50 394 43 22.6 448 Middletown (W. Univ.), Conn. 41 33 8 72 39 4 50 36 325 Milledgeville,

Ga. 33 7 20 83 19 455 33 19.0 642 Mobile,

Ala. 30 41 48 87 59 5 51 56 1033 Monomoy Point Light, Mass. 41 33 35 69 59 56 4 40 0 500 Montpelier,

Vt. 44 17 72 36 4 50 24 524 Montreal,

C. E. 45 31 73 35 4 54 20 601 Nantucket (South Tower), Mass. 41 16 56 70 6 124 40 24.8 490 Nashrille (University),

Tenn. 36 933 86 49 35 47 16.2 714

.

.

Place.

Latitude,
North.

Longitude, West, D in degrees. in time. Wash.

h. m. s.

[ocr errors]

.

[ocr errors]

.

Miles. Natchez (Fort Panmure),

Miss. 31 34 91 24 426 5 38.8 1146

N. J. 40 45 174 10 4 56 40 215 New Bedford (Mariner's Ch.), Mass

. 41 38 7 70 55 494 43 43.3 429 Newbern, N. C. 35 20 77 5 5 8 20

337 Newburg,

N. Y. 41 31 74 1 4 56 4 282 Newburyport (2d Presb. Ch.), Mass. 42 48 32 70 52 474 43 31.1 466 Do. (Light),

42 48 30 70 49 64 42 18.0 469 Newcastle, .

Del. 39 40 75 33

5 2 8 103 New Haven (College), C nn. 41 18 30 72 56 454 51 47

301 New London, Conn. 41 22 72 9 4 48 36

354 New Orleans (City Hall), La. 29 57 30 90 6 0 1203 Newport (Court-House), R. I. 41 29 71 19 12 4 45 16.8 403 New York (City Hall), . N. Y. 40 42 40 174 1 84 56 4.5 226 Nobsque Point Light,

Mass. 41 30 57 70 39 37 4 42 38.5 450 Norfolk (Farmers' Bank), Va. 36 50 50 76 18 475 5 15.1 217 Northampton (1st Cong. Ch.), Mass. 42 19 9 72 38 154 50 33.2 376 Norwich,

Conn. 41 33 72 7 4 48 28 362 Pensacola,

Fa. 30 24 87 10 125 48 40.8 1050 Petersburg, Va. 37 13 54 77 20 5 9 20

144 Philadelphia (Ind'ce Hall), Pa. 39 56 59 75 9 545 0 39.6 136

Do. (High School Obs.), 39 57 9 75 10 375 0 42.5 Pittsburg,

Pa. 40 32 80 2 15 20 8 223 Pittsfield' (ist Cong. Ch.), Mass. 42 26 55 73 15 36 4 53 2.3 380 Plattsburg,

N. Y. 44 42 73 26 4 53 44 539 Plymouth (Court-House), Mass. 41 57 26 70 40 194 42 41.3 439 Portland (Mount Joy),

Me. 43 39 52 70 13 34 4 40 542 542 Do. (Light),

43 36 70 12 124 40 49 Portsmouth (Unitarian Ch.), N. H. 43 4 35 70 45 504 43 3.3 491 Do. (Light),

43 3 30 70 43 4 42 52 Poughkeepsie,

N. Y. 41 41 73 55 4 55 40 301 Princeton (Nassau Hall), N. J. 40 20 41 74 39 304 58 38 177 Providence (University Hall), R. I. 41 49 22 71 24 484 45 39.2 394 Quebec (Citadel),

C. E. 46 49 12 71 16 4 45 4 781 Raleigh,

N. C. 35 47 78 48 15 15 12 286 Richmond (Capitol),

Va. 37 32 17 77 27 285 9 49.9 122 Rochester (Rochester House), N. Y. 43 817 77 51 5 11 24 361 Sable (Cape),

Fa.

24 50 81 15 5 25 0 Sackett's Harbour,

N. Y. 43 55 75 57 5 3 48 407 Saco,

Me.

43 31 70 26 4 41 44 528 St. Augustine,

Fa. 29 48 30 81 35 5 26 20 841 St. Louis,

Mo.

38 37 28 90 15 166 1 0.7 856 Salem (E. 1. M. Hall), Mass. 42 31 18 70 53 534 43 35.5 446 Sandwich (1st Cong. Ch.), Mass. 41 45 31 70 30 13 4 42 0.8 456 Savannah (Exchange),

Ga. 32 4 56 81 8 185 24 33.2 662 Schenectady, .

N. Y. 42 48 73 55 4 55 40 391 Springfield,

39 48 89 33 5 58 12

801 Springfield (Court-House), Mass. 42 6 4 72 35 45 4 50 23 Squam Harbour (Light), Mass. 42 39 46 70 41 84 42 44.5 466 Straitsmouth Island (Light), Mass. 42 39 41 70 35 364 42 22.4 471 Stratford,

Conn. 41 11 7 73 8 45 4 52 35 Tallahassee, .

Fa. 30 28 84 36 15 38 24

.

Ill.

357

896

Place.

Latitude,

North.

Longitude, West, Dist. fr. indegrees. in time. Wash.

'h. m.

Miles. Taunton (Trin. Cong. Ch.),

Mass. 41 54 11 71 5 554 44 23 6 415 Toronto or York (Observ.), . C. W. 43 39 35 79 21 305 17 26 500 Trenton,

N. J. 40 14 74 46 30 4 58 36 166 Troy,

N. Y. 42 44 73 40 4 54 40 383 Tuscaloosa,

Ala. 33 12 87 42 5 50 48 858 University of Virginia, Va. 38 2 3 78 31 295 14 5,9 124 Utica (Dutch Church),

N. Y. 43 6 49 75 13 5 0 52 383 Vandalia,

Ill. 38 50 89 2 5 56 8 781 Vevay,

Ind. 38 46 84 59 5 39 56 556 Vincennes,

Ind. 38 43 87 25 5 49 40 693 Washington (Capitol), D. C. 38 53 34 77 1 305 8 6 Washington, .

Miss. 31 36 91 20 6 5 20 1146 Wheeling,

Va. 40 7 80 42 5 22 48 264 Williamstown (Cong. Ch.); . Mass

. 42 42 49 73 13 104 52 52.6 406 Wilmington,

Del. 39 41 75 28 5 1 52 108 Wilmington,

N. C. 34 11 78 10 5 12 40 416 Worcester (Ant. Hall), Mass. 42 16 17 71 48 134 47 13.3 394 York,

Me. 43 10 0 70 40 4 42 40 500 York, .

Pa. 39 58 176 40 15 6 40 87 Yorktown,

Va.

37 13 176 34 5 6 16

[ocr errors]
[blocks in formation]
« ՆախորդըՇարունակել »