| Geomagnetic storm on April 7-8, 2016 - SM7DTT |
| Geomagnetic storm on April 7-8, 2016 - SM7DTT Auroras are dancing around the Arctic Circle on April 7-8 in response to a G1-class geomagnetic storm.    |
PRZEJD NA FORUM
| Geomagnetic storm on April 7-8, 2016 - SM7DTT |
| Geomagnetic storm on April 7-8, 2016 - SM7DTT Auroras are dancing around the Arctic Circle on April 7-8 in response to a G1-class geomagnetic storm. |