How to watch

minutes ahead on a scale of 1-9. Experience has taught that an activity index value of 5 will often already mean a handsome display of the Northern Lights in southern Finland.

Despite the abundance of helpful predictions, it's worth remembering that they may not always turn out to be correct, or that it may be daylight in Finland at just the moment the Northern Lights are illuminating the sky. Note too that the predictions nearly always use UT, or Universal Time, from which you can calculate Finnish Winter

Time by adding on two hours, and Finnish Summer Time by adding on three. And if you can't be bothered following the Internet, you can always time your evening walk for between ten o'clock and midnight, and set out for a spot where you can get a good view of the northern sky. The sun is currently going through an extremely active phase, which means frequent occurrences of the Northern Lights; it may therefore be that one evening nature will provide an unforgettable extravaganza of colour, which will by comparison reduce all the shopping centre laser shows in the world to the level of a pocket torch!

Observing the Northern Lights

The person who wants to observe the northern lights is totally at the mercy of natural conditions. It is very difficult to give exact details about the occurrence

Written for Virtual Finland by
Joe Brady and Jyrki Manninen Ph.D.

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