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Hier nog 'n aandeel van mij, was er perfect weer voor deze avond.
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Bovenste halo: Circumzenital Arc
Daaronder: Stukje upper targent arc
Vaagjes om de zon 22 graden halo (de bekende kring)
En daarin 1 bijzon (er was er een aan beide kanten van de zon)
Onweer 2015: 14x
Onweer 2016: 10x
Onweer 2017: 12x
Onweer 2018: 14x
Onweer 2019: 15x
Onweer 2020: 8x
Onweer 2021: 11x
Onweer 2022: Niet bijgehouden
Onweer 2023: 20x
Onweer 2024: 10x 31-3 een paar flinke flitsen en donders, 15-4 3 donders, 30-4 donders en bliksems in de verte. 2-5 flinke donders en bliksem 19-5 uren lang gerommel, uiteindelijk een paar flinke donders. 21-5 Een aantal lekkere donders. 26-5 donders 9-7: matig, zware donders 23-7 vele zware diepe ' bass' donders 7-8 Een diepe donder
Halo om de maan
The Moon is waxing full, and there is a chill in northern places. That means now is a good time to be alert for icy Moon halos. Carl Richards of Northumberland UK photographed this specimen on Feb. 15th:
"This beautiful halo appeared above the Kielder observatory during an event we were attending," says Richards. "I created a panorama by stitching together 4 portrait images."
Moon halos are created by ice crystals in high clouds, which catch rays of moonlight and bend them into a 22o ring. Waxing full Moons are great at making these halos--and you don't have to be in a cold place to see them. Most of the ice crystals that create halos float 5 km to 10 km above the ground. Air at those altitudes is always freezing, even in the tropics.
So, no matter where you live, be alert for halos in the nights ahead. The Moon is full on Feb. 22nd.
Bron: http://www.spaceweather.com/