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RECORD OF AURORA DISPLAY.—A section of the recording from a continuous run magnetograph at the Christchurch Magnetic Observatory. showing the violent disturbance which accompanied the display of Aurora Australis on Friday night. The machine records the intensity of three components of the earth’s magnetic field. The sudden movement that is noticeable started at 9.15 and reached its peak about 10.45. The white dividing marks signify hourly intervals.

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https://paperspast.natlib.govt.nz/newspapers/CHP19470826.2.101

Bibliographic details

Press, Volume LXXXIII, Issue 25272, 26 August 1947, Page 8

Word Count
67

RECORD OF AURORA DISPLAY.—A section of the recording from a continuous run magnetograph at the Christchurch Magnetic Observatory. showing the violent disturbance which accompanied the display of Aurora Australis on Friday night. The machine records the intensity of three components of the earth’s magnetic field. The sudden movement that is noticeable started at 9.15 and reached its peak about 10.45. The white dividing marks signify hourly intervals. Press, Volume LXXXIII, Issue 25272, 26 August 1947, Page 8

RECORD OF AURORA DISPLAY.—A section of the recording from a continuous run magnetograph at the Christchurch Magnetic Observatory. showing the violent disturbance which accompanied the display of Aurora Australis on Friday night. The machine records the intensity of three components of the earth’s magnetic field. The sudden movement that is noticeable started at 9.15 and reached its peak about 10.45. The white dividing marks signify hourly intervals. Press, Volume LXXXIII, Issue 25272, 26 August 1947, Page 8