98 



ExTEA Observations of Magnetometers, February 20 — 24, 1845. 



Gott. 

 Mean 

 Time. 



d. h. 



20 16 

 20 17 



20 18 



20 19 



20 20 



20 21 



20 22 



20 23 



21 1 



21 2 



21 3 



21 4 

 21 6 



21 7 



21 8 

 21 9 



21 10 



22 10 



22 11 



DECLINATrON. 





 10 

 20 

 40 







25 



Min. 



55 





 10 

 20 

 30 





 10 

 20 





 36 

 40 

 53 





 12 

 27 

 40 





 15 

 20 





 38 









 20 

 30 



35 

 40 

 45 

 55 





 10 

 20 

 30 

 41 

 45 





 30 











10 25 

 30 j 24 

 35 

 45 

 50 





 10 

 30 









 10 

 35 







24 

 25 



20-11 

 18-13 

 15-11 

 12-04 

 11-96 

 08-34 

 07-38 

 08-08 

 09-84 

 15-27 

 15-61 

 17-93 

 18-75 

 18-50 

 17-96 

 19-91 

 19-44 

 20-97 

 19-58 

 16-72 

 13-25 

 18-01 

 22-15 

 22-67 

 21-37 



21-88 

 23-01 

 24-08 

 21-86 

 20-63 

 18-84 

 19-28 

 23-04 

 22-71 

 21-70 

 17-70 

 15-27 

 17-00 

 11-37 

 07-98 

 59-50 

 58-42 

 57-24 

 57-41 

 59-41 

 02-45 

 08-75 

 14-68 

 03-23 

 06-06 

 06-29 

 14-53 



25 



06-63 

 09-53 

 09-89 

 10-75 

 10-36 



BiFILAR 



Corrected. 



Min. 



57 



2 

 12 

 22 

 32 



2 

 12 

 22 



2 

 37 

 42 

 54 



2 

 13 

 28 

 41 



2 

 17 

 22 



2 

 39 



2 



2 

 22 

 29 

 32 

 34 

 37 

 42 

 47 

 57 



2 

 12 

 22 

 32 

 42 

 47 



2 

 31 



2 



2 

 12 

 32 

 37 

 47 

 52 



2 

 12 

 32 



2 



2 

 12 

 37 



2 



2 

 12 

 22 

 42 



2 



Sc. Div. 



530-9 



534-7 



533-5 



534-8 



532-0 



534-5 



539-0 



539-6 



533-4 



527-1 



529-2 



534-4 



529-2 



526-0 



531-1 



535-3 



535-2 



540-2 



538-6 



534-6 



529-2 



528-1 



526-7 



541-7 



525-1 



535-8 



536-5 



541-2 



545-5 



542-9 



534-9 



534-8 



534-4 



545-2 



544-1 



538-3 



536-0 



530-2 



542-3 



541-6 



529-7 



528-7 



534-1 



534-9 



527-7 



529-0 



526-5 



529-8 



534-3 



539-1 



546-3 



543-8 



544-6 



537-0 



545-4 

 538-7 

 535-9 

 535-8 

 533-0 



Balance 

 Corrected. 



Min, 



58 



3 

 13 

 23 

 33 



3 

 13 

 23 



3 

 38 

 43 

 55 



3 

 14 

 29 

 42 



3 

 18 

 23 



3 

 40 



3 



3 

 23 



33 



38 

 43 

 48 

 58 



3 

 13 

 23 

 33 

 43 

 48 



3 

 32 



3 



3 

 13 

 33 



48 



3 

 13 

 33 



3 



3 

 13 

 38 



3 



3 

 13 

 23 

 43 



3 



Mic.Div, 



515-1 

 511-3 

 506-9 

 507-9 

 509-5 

 514-0 

 517-8 

 520-3 

 524-8 

 529-9 

 529-5 

 526-0 

 527-9 

 529-6 

 528-9 

 527-2 

 527-7 

 526-6 

 526-2 

 532-9 

 541-0 

 542-4 

 554-3 

 551-2 



554-1 



552-9 

 552-2 

 553-5 

 554-4 

 554-8 

 555-7 

 557-9 

 564-8 

 569-4 

 572-0 

 578-2 

 583-1 

 576-5 

 596-6 

 598-2 

 599-2 



606-3 



610-0 

 609-6 

 603-4 

 588-5 

 577-7 

 575-2 

 564-9 

 554-1 



Gbtt. 

 Mean 

 Time. 



576-2 

 576-1 

 573-9 

 570-8 

 571-5 



d. h. 



23 12 

 23 13 



23 14 



23 15 



23 16 



23 17 



23 18 



23 19 



Declination. 



Min, 



58 







5 



10 



15 



20 



25 



30 



35 



41 



45 



50 



55 







10 



35 



40 



45 



50 



55 







5 



10 



15 



20 



25 



30 



35 



40 



45 



50 



55 







5 



10 



15 



20 



25 



30 



35 



40 



45 



50 



55 







10 



15 



20 



30 



46 



50 



55 







5 



10 



20 



25 



30 







10 



26 



24 



24 

 25 



51-66 



52-87 



55-44 



58-47 



01-98 



04-41 



05-53 



05-63 



05-60 



07-17 



08-50 



08-70 



09-76 



09-30 



09-12 



10-80 



09-46 



09-10 



10-18 



13-69 



15-72 



17-83 



18-82 



18-63 



17-68 



16-97 



15-54 



16-41 



16-46 



17-13 



18-10 



18-00 



17-36 



15-99 



14-44 



12-63 



12-33 



13-19 



15-14 



15-88 



16-23 



16-65 



17-29 



18-45 



1861 



17-10 



16-12 



14-58 



14-01 



08-08 



08-95 



09-69 



11-71 



09-44 



10-56 



08-03 



08-95 



09-40 



14-57 



14-53 



15-32 



BiFILAE 



Corrected. 



2 

 7 



12 



17 



22 



27 



32 



37 



43 



47 



52 



57 



2 



12 



37 



42 



47 



52 



57 



2 



7 



12 



17 



22 



27 



32 



37 



42 



47 



52 



57 



2 



7 



12 



17 



22 



27 



32 



37 



42 



47 



52 



57 



2 



12 



17 



22 



32 



47 



52 



57 



2 



7 



12 



22 



27 



32 



2 



12 



27 



Sc. Div. 



528-1 



533-7 



531-9 



533-0 



529-4 



525-2 



526-8 



528-6 



527-8 



526-0 



526-0 



526-1 



528-0 



529-3 



518-0 



516-9 



518-8 



524-6 



521-4 



519-0 



519-5 



521-0 



519-1 



517-9 



517-1 



520-6 



523-8 



525-0 



521-3 



516-4 



514-3 



513-4 



509-4 



508-3 



513-9 



512-8 



513-4 



512-6 



516-3 



522-3 



527-2 



530-5 



528-3 



529-7 



536-8 



538-8 



535-6 



528-7 



534-9 



533-6 



533-6 



528-7 



535-0 



531-8 



538-0 



533-0 



531-3 



533-8 



532-1 



531-4 



Balance 

 Corrected. 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 44 

 48 

 53 

 58 



3 

 13 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 

 13 

 18 

 23 

 33 

 48 

 53 

 58 



3 



8 

 13 

 23 

 28 

 33 



3 

 13 

 28 



Mic.Div. 



505-4 



511-3 



518-4 



523-3 



527-1 



525-7 



523-5 



521-2 



521-3 



521-4 



521-3 



522-7 



525-1 



526-9 



528-1 



527-6 



529-2 



527-7 



524-6 



518-6 



510-7 



499-5 



489-6 



482-4 



479-3 



482-6 



485-8 



482-8 



478-9 



477-9 



478-1 



476-7 



474-1 



471-6 



471-8 



472-5 



474-7 



475-9 



474-4 



473-1 



472-8 



468-5 



463-2 



458-2 



458-8 



458-5 



462-0 



465-7 



476-2 



481-2 



482-4 



484-7 



483-0 



482-7 



487-0 



491-3 



493-5 



498-0 



498-5 



502-0 



Gott. 

 Mean 

 Time. 



d. li. 



23 19 



23 20 



23 21 



24 4 



24 5 

 24 6 

 24 7 



24 8 



Declination, 



24 9 



24 10 



Min. 



30 

 35 

 50 





 20 











5 

 10 

 15 

 30 

 35 

 47 





 31 





 58 







5 

 10 

 15 

 20 

 25 

 30 

 35 

 50 

 55 







5 

 10 

 15 

 20 

 25 

 30 

 35 

 40 

 45 

 50 



55 







5 

 10 

 18 

 20 

 25 

 32 

 35 

 40i 

 45 

 50 

 55 







5 

 10 

 15 

 20 

 25 

 30 

 35 



Bifilar. ^=0-000140. 



Balance. A-=0-000010. 



* See notes on the Aurora Borealis, after the Extra Observations of Magnetometers. 



Feb. 23<i IS"" 20". The declination and bifilar magnets have been moving backwards and forwards through a few divisions. 



Feb. 24<i 4'» 5™. The instruments have evidently been slightly disturbed throughout the day. 



Feb. 24* 8h 40™. Bifilar vibrating 13 sc. div. 



