TERM-DAY OBSERVATIONS. OF MAGNETOMETERS, 1845. 
Gottingen | Jury 23, 24. Aveust 29, 30. 
ce a | 
° 
Declination | 
Obs - DECLINA- BIFILAR | BALANCE DECLINA- Brrinar | BALANCE = | Brritar | BALANCE DEcLINA- BIFILAR BALANcE 
seo TION. Corrected. | Corrected. TION. Corrected.| Corrected. TION. Corrected. | Corrected. TION. Corrected. | Corrected 
Min. ea £ Se. Diy. | Mic. Div. if Se. Div. | Mic. Diy. £ if Se. Div. | Mic. Div. Se. Div. | Mic. Di 
} gb, 6". 10%, 14, 
0 || 25 14-40] 526-9 488-7 | 25 13-91) 555-2 552-9 | 24 45-87) 508-5 | 224.5 | 24 57-75 | 529-5 272-6 
D) 15-01 | 525-7 489-8 13-23 | 554-7 553-4 | 24 33-34) 526-4 235-6 57-41 | 531-7 276-1 
10 15-38 | 523-9 | 491-2 13-56 | 558-0 554-9 | 24 30-07| 566-3 235-4 57-68 | 531-4 278-9 
ior | 15-54] 524-5 | 492-1 13-77 | 560-3 554-0 | 24 46-28) 560-6 242-9 57-01 | 525-0 289.0 
20 15-74 | 529.2 490-7 13-90| 561-9 552-7 | 24 58-70| 551-3 264-2 54-93 | 522-8 298-0 
25) | 16-21 | 530-7 490-6 14-33 | 561-4 554-8 | 25 04-34) 538-5 305-1 54:38 | 522-6 304.5 
30 16:43 | 532-6 | 489-8 14-57 | 559-7 555-1 | 25 02-45) 531-0 326-0 54-55 | 523-2 313-6 
39 17-02) 535-1 489-1 14-04) 562.7 555-5 | 24 59.24] 531-4 334-2 56-38 | 520-1 314.2 
40 16-43 | 536-1 487-7 13-66 | 560-3 555-6 | 24 55-94} 541-3 344-4 56-82 | 517-5 321-2 | 
45 16-55 | 539-5 487-5 13-46 | 562-7 554-1 | 24 56-07! 549-8 345-9 57-08 | 520-0 321-7 
50 16-32) 539-9 488-0 13-10} 558-8 556-7 | 24 59-01 | 546-7 347-4 | 24 59-51) 515-1 328-4 | 
16:50 | 540-3 488-5 558-4 535-0 350-5 513-4 334:8 | 
3h, / 74, 114, 154, 
0 25 16-53| 542.5 488-4 ] 25 11-55| 559-1 | 556-8 | 25 00-99, 538-7 348-7 | 25 08-45 511-0 328-2 | 
Di 16:53 | 543-7 488-5 12-01} 556-1 557-2 00-51 | 535-4 | 346-5 05:90 515-0 322.5 
10 16-52} 542-2 490-2 11-91] 557-6 554-8 00-87 | 536-6 | 342-2 05-47 | 517-8 319-5 
15 16-08 | 542-9 490-7 12.35 | 560-8 553°3 01-54) 539-4 | 341-1 04:64| 515-6 321-0 
20 16-87 | 544-7 492.2 13-67 | 558-4 553-2 02-73 | 537-2 | 341-0 04-71) 514-4 322-8 
25 16-66 | 542-3 494.3 13-76 | 554-5 553-7 04-07 | 537-2 | 336-8 04-59) 515-1 332-5 
30 16-25 | 543-2 495-0 11-68| 555-1 551-9 04-21 | 537-2 | 334-1 05:00) 518-0 336-7 | 
35 15-85 | 545-9 496-2 10-83 | 553-5 550-5 04-49 | 538-8 | 330-0 Dee 522-1 343-5 
40 16-03 | 549-5 497-2 10-58} 554-7 548-0 07-52) 535-4 322-9 07-45 524-1 346.3 | 
45 16-21} 551-2 498-8 11-41} 553-3 547.7 08-34! 544.1 | 306-4 08-77 | 524-5 347-2 | 
50 16-26| 554-6 499-0 12-04| 550-9 547-8 09-64/ 554-0 | 290-6 10-06 525-0 343-0 
55 15-98| 555-3 | 499.9 11-84] 549-4 | 547.3 10-43 | 553-4 | 272.9 10-03. 524-7 | 342-8 
4h, 4 gh, 12h, 164, 
0 25 15-76| 557-4 | 501-3 | 25 11-00) 548-9 | 547-1 | 25 09-96 541.7 258-3 | 25 10-58); 520-5 | 342.5 
5 15-86} 556-0 502-7 10-77 | 547-1 548-8 08-19, 540-0 | 251-6 10-04} 517-8 343.3 | 
10 16-18} 560-8 505-4 07-64 | 546-0 548-5 08-75 | 538-7 249-6 09-57 | 520-3 339-2 | 
15 16-19) 559-2 |* 507-4 08-52| 546-1 546-0 10-30) 534-4 247-2 09-66 | 521-7 334.4 | 
20 15-24} 559-2 510-6 07-64) 548-4 544.5 11-34) 534-4 242.7 09-22) 525-8 330-5 
25 15-67 | 561-6 512-4 07-47 | 548-1 542-4 12-:80| 524-3 235-1 09-29 | 533-7 326-5 | 
30 16-05 | 558.7 516-0 08-08 | 546-0 542-2 12-38 | 514-5 237-9 09-71 | 533-7 328-5 
35 15-86| 552.2 521-0 08-68! 546-1 539-9 08-31] 511-3 239.3 09-71 | 532-7 333-7 | 
40 14-40} 550-1 524-6 08-97 | 543-9 540-2 02-12] 529-1 242.9 10-14; 534-1 334-3, 
45 12-58 | 552-3 525-7 07-54) 543-8 537-9 00-20) 534-8 233-6 09-66) 530-6 338-6 
50 14-06 | 559-2 526-1 06-68 531-2 342.2 | 
14-53 
533-5 | 347.6] 
ules 
0 25 15-67] 561-1 | 530-0 25 04-10| 534-1 
be 15-69| 560-1 | 532-1 02-89 | 533-5 
10 15-71] 554-8 | 535-9 02:10} 535-3 
ie || 14-06] 552-6 | 538.9 03-52 | 535-2 
20 13-64] 555-3 | 540-9 04-08 | 533-5 
25 12-95 | 558-7. | 541-7 03-97 | 534-5 
30 13-52] 557-3 | 544.3 04-07 | 535-4 
35 | 13-96| 553-4 | 547.3 04-76 | 534.0 
40 | 13-79| 552-5 | 548-6 03-81 | 533-6 
45 | 14-46] 553-1 | 551-0 04-58 | 534-0 
50 | 14-92] 552-8 | 552.3 05-50 | 535-1 
14-37 536-9 
Birizar. Observed 2" after the Declination, k—0-000140. BALANCE. Observed 3™ after the Declination, k=0-000010. 
The temperature of the bifilar and balance magnets, and the observers’ initials, will be found at the corresponding hours in the Hourly | 
Observations of Magnetometers. 
July 244115, Extra Observations made. i 
Aug. 292105, For observations before the commencement of the Term-Day Observations, see the Extra Observations of Magnetometers. | 
See also the Notes, after the Extra Observations, upon the Aurora Borealis, seen before and after 10%. | 
