Site:|
Laajasalo Oil Harbour (former),
Helsinki,
Finland
| 60°09'53" N, 25°00'52" E, looking over city lights
| Time: |
Eastern Europen Time zone
| UT+02
| Camera: |
Canon EOS 5D Mark III
| Digital SLR camera with 22,3Mb full frame CMOS sensor
| Lens: |
EF 24-70mm f/2.8 L USM
| General purpouse zoom lens
| |
The bar plot shows the hourly (in even hours) maxima changes in the horizontal magnetic field components in units of 0.01 nanoteslas per second with 10 minute resolution. The magnetically quiet times are marked with blue bars and the disturbed with red bars. An hour is considered as disturbed if the value in scale of the plot exceeds 0.3 nT/s.
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***** Click here for the Northern sky animation (8 minutes display in ten seconds) *****
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All material Copyright © Jorma Koski, Anno Mundi 2013