314 Appendix. 
TABLE XI.—AURORAE OBSERVE 
1899. 
Month. 
March . 
April 
May 
June 
July 
August 
September 
October 
Total 
As mentioned before, the immense influence of the Aurora upon 
the magnetic needle made the taking of magnetic observations 
extremely difficult. 
In order to form an idea of the extent of these disturbances 
the following table is given showing the relative position of the 
magnet with the position of the Aurora in the sky observed 
simultaneously during an Aurora display of very weak intensity, May 
D 
АТ CAPE ADARE. 
Number. 
73 
31St, I900 :— 
Astro- Bee 
nomicai| Temp. | Scale | Value | Remarks. 
Time Cent. Diy ein ance 
h. m 
6 45 | —8:3? | 400 | 80’ | Magnet in meridian and steady. 
6.50 P.M. diffused Aurora in N. 
7 © | =7°S? las! ey Aurora becoming brighter, magnet 
oscillating between 47 and 48. 
у ES 52:0 | 104 | Beam of Aurora shot up towards zenith, 
| and magnet moved to 52. 
7 10 53:8 | 107°6° Aurora becoming much brighter in 
| magnetic north. 
y n2 ne 56-0 | 112’ Beam shot up from arc towards zenith. 
7| ug = Боа | im Aurora arc from N. by E. to W. 
(magnetic). : 
y 1| S meo. nn Aurora stronger, curtain of Aurora with 
slow motion. 
7 22 8" | воо | пол Arc and curtain in N. and N.W., 
becoming faint. 
7 25 | —8' 7? | 55:0 | то’ | Aurora arc becoming stronger in N.W. 
9g 2 |a sexe. ns Aurora faded away in west. 
7 39 | eu mei gr | Becoming diffused. 
8 0| —8°8° | дгго 84' | No sign of any Aurora. 
ا ا 
During the appearance of the Aurora the disturbance of the 
At no time was it brilliant or 
magnet lasted more than one hour. 
