By Michael Flynn | 2025-01-01
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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