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Magnar G. Johnsen

A telescope comes home

In 1918 the Geophysical Institute in Tromsø was created. The tasks of the institute was to organize weather forecasts in Northern Norway …

Geomagnetic Pulsations!

Every now and then geomagnetic pulsations are observed wherever one is measuring Earth’s magnetic field at high latitudes. Such pulsations are categorized …

Solar Eclipse success!

The solar eclipse was a success in Tromsø. Although we did not get a total eclipse here, but only 95 %, it …

Storm Sudden Commencement

This morning a few minutes after UT 04.00 a very clear jump in the solar wind speed as well as the interplanetary …

All-Sky camera

A common tool in auroral science is the all-sky camera. This is simply a camera fitted with a fish-eye lens and pointed …

Auroral forecasts!

I am now happy to say that all planned auroral forecast modes are implemented on their respective PCs. From right to left …

Early Space Weather

I wasn’t entirely sure about what to write about today, so I decided to post a picture: During the 1st International Polar …