FAQ - Help

On these pages you'll find more background information about the solar and auroral plots and data so that you can easier understand these terms.

Data and plots to know wether there will be aurora or not

• The low, middle and high latitude
• The Solar Wind
• The Interplanetary Magnetic Field (IMF)
• The Kp-index
• The Kiruna Magnetometer
• When can we see the aurora at Middle latitudes?
• How do we know if a CME is earth directed and when it's going to arrive?

Data and plots about the solar activity

• What are sunspots?
• The magnetic classification of sunspots
• The classification of sunspots after Malde
• What are solar flares?
• What is a Coronal Mass Ejection (CME)?
• The classification of Solar Flares
• What is a coronal hole?
• What is a solar radiation storm?

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