Order by: Trending (past 30 days)Date
Community photo entitled active sun by Patricio Leon on 01/01/2025 at Santiago, Chile

active sun

On 01/01/2025 09:45 am by Patricio Leon | Santiago, Chile

the first day of the year began with a severe geomagnetic storm which peaked at Kp 8 during the 15-18 UTC interval (sidc.be, Royal Observatory Belgium). Old AR3936 is rotating the western limb after a journey across the sun face that began on december 22th; a belt of sunspots adorns the southern hemisphere

Newt 4.5" +solar film, 1/640s ISO100

crop, B/C