42 TERM-DAY OBSERVATIONS OF MAGNETOMETERS, 1843. 
Gottingen SEPTEMBER 20, 21. 
Mean Time 
of 
Declination DECUINA- BuriLar | BALANCE DECLINA- BrritaR | BALANCE DeEciina- Birinarn | BALANCE DECLINA- Brri“an | Bau. 
Observation. | TION. Corrected. | Corrected. TION. Corrected. | Corrected. TION. Corrected. | Corrected. TION. Corrected. | Correet 
Min. (] f Se. Div. | Mic. Div. B f Se. Div. | Mic. Diy. R f Se. Div. | Mic. Div. Sc. Div. 
10%, 14%, 18h, 22h, 
25 15-49! 510-0 | 806-4 | 25 16-85) 508-0 790-9 5 503-0 | 777-1 | 25 18-62| 492-8 
16-41 | 508-0 807-6 16:60} 507-3 788-8 87 . 18-57 | 492-0 . 
16-84) 508-6 806-6 19-09} 498-4 oF : ‘ 17-99 | 491-5 
16-01 | 511-2 803-9 22-23) 496-6 784-4 37 : 18-45 | 493-0 
14:76 | 513-8 801-0 32-20} 507-8 754-9 “O7 : i: 19-00 | 492-3 
14-49) 517-6 797-9 34-58 | 507-4 709-9 ‘ . : 18-36 
15-02) 519-3 796-1 32-17) 500-7 668-7 “ . 18-66 
15-72 | 517-2 795-9 29-06 | 499-0 652-0 . . FF 19-04 
15-83 | 516-5 795-3 26-57 | 509-7 651-5 : “ 769- 19-98 
15-63 | 513-8 796-3 24-10| 509-1 654-2 : ‘ . 20-35 
15-39} 513-4 796-7 23-93 | 511-6 666-7 : D 20-16 
16:06 | 511-7 798-2 24-50| 512-2 678-4 . ci 20-72 
11h, 15". : 
16-73| 510-6 | 800-9 23-76| 511-6 | 687-3 | 25 19- 5 : 21-05 
16-87| 509-9 | SO1L-8 22.22| 508-7 | 691-3 17) 504- . 20-30 
17-34] 509-7 | 802-7 20-52| 509-9 | 693-8 : . 74. 19-40 
17-88] 509-7 | 803-5 20-05 | 508-4 | 698-4 re : ¥ 20-85 
18-01| 5105 | 801-1 19-31) 506-0 | 703-1 ‘e : 77. 19-96 
18-62| 511-4 | 801-3 17-71| 507-5 | 708-9 : ; 21-14 
19-42| 511-5 | 804-2 17-42 0 | 715-5 -91| 507: - 21-91 
19-83! 510-6 | 804-3 16-77 4 | 720-5 : : : 21-37 
511-0 | 804-0 16-33 l | 725-5 : : : 22-35 
511-9 | 803-3 16-51 7 | 731-5 7 : ; 22-50 
513-6 | 803-6 16-53 5 | 785-6 : . 22.20 
513-9 | 803-8 15-72 5 | 741-0 : : 22.90 
ae 
513-7 804-1 rl ‘ ”» 15- : 787- 23-09 
512-8 804-6 . 6 ‘ “2 : : 24-71 
512-4 805-2 : y 746. “ : : 24-18 
511-7 . : +32 . 3: 22-80 
511-5 “of i FP : . 23-64 
512-2 : ° . : 5 F, 23-59 
512-3 B . 765. : D 24-11 
512-0 : . . : 4 24-85 
512-7 : . : o D 26-08 
511-4 ° K : o 27-88 
13h, S : 
510-0 ; x E F i i 26:96 
509-4 . . = . : 26-86 
511-6 : : 766. : : 27-46 
512-0 : : Pa . . 27-70 
512-9 5 < 5 s 5 : 27-93 
511-8 . . 3. . . 27-78 
510-5 “ : : . . . 27-95 
512-4 i i : . 5 i - 27-58 
510-6 : : 75: . “¢ . 27-41 
509-4 : +. “ . : 27-47 
509-7 : : é i a " 27:73 
509-8 i i E zl 2. 3 27-06 
Birman Twermomerer, . . . | 650 | 652 | 65:3 | 65:3 | 651 | 650 649 | 647 | 647 615 | 610 | 639 | 640 645 | 654 66-3 
Batance TuErmometer, . . | 645 | 649 | 65-2] 65-2 | 65:3 eeieoie 65-1 65-0 | 648 | 644 | 54-2 64:5 | 65-0 | 65-4 | 66-2. 
OBSERVER’S INITIAL, . . . . B B |e] B[ Dd] > WwW | w WwW | w u|u[u | Hy 
dt 
BiriLar. Observed 2™ after the Declination. *k=0:0001205. 
BaLAnce, Observed 3™ after the Declination. k=0-000013 approximately. A 
Sept. 202 14» 35m, Bright auroral glare fron NW by N to N, extending from the horizon to about 12° altitude. No pencils nor p - 
tions visible. At 15" the aurora had disappeared. 
