Zonnevlekken /

Aurora voorspelling / aurora forecast

Noorderlicht cam
Sodankylä, Fins Lapland (67,4°NB):
Jokkmokk, Zweeds Lapland (66,7°NB):

Tromsų, Noord-Noorwegen (69°NB):

Longyearbyen, Spitsbergen (78°NB):
Space wheather

Solar flux is a measurement of the intensity of solar radio emissions with a wavelength of 10.7 cm (a frequency of about 2800 MHz). The A and K indices are a measurement of the behavior of the magnetic field in and around the earth. The K index uses a scale from 0 to 9 to measure the change in the horizontal component of the geomagnetic field. The A index is a daily value on a scale from 0 to 400 to express the range of disturbance of the geomagnetic field. from the announcement. Space Weather describes the conditions in space that affect earth and its technological systems. Space weather is a consequence of the behavior of the sun, the nature of earth's magnetic field and atmosphere, and our location in the solar system.