Spaceweather.com reports solar activity was at low levels with only C-class flares observed. The largest flare during the period was...
planetary A
Solar activity has been at low levels for the past 48 hours, withlow-level C-class flares. There was a narrow coronal mass...
On Friday, June 20, Spaceweather.com reports that, in addition to itbeing the first day of Summer in the Northern Hemisphere,...
Last week we mentioned a large coronal hole on the Sun that might cause problems. The hole is so large...
On Friday, June 13, Spaceweather.com reports a CIR, or co-rotatinginteraction region, hit Earth's magnetic field, sparking a G2-classgeomagnetic storm. There...
Solar activity remained at moderate levels earlier this week. Therewas an approximately 20-degree filament eruption on June 4 and apossibly...
Solar activity reached moderate levels early this past week with several flares. An X1-class flare erupted mid-week, but activity has...
Solar activity ranged from low to high. Region 4087 produced the strongest event of the period, an impulsive R3 flare...
After weeks of calm, solar activity is suddenly high again, with twostrong solar flares erupting from opposite sides of the...
The Solar Geophysical Activity Report and Forecast from theUSAF/NOAA indicates that solar activity has been at low levels forthe past...
On May 2, Spaceweather.com reported: "Astronomers are monitoring avery large sunspot now turning toward Earth. Sunspot AR4079stretches more than 140,000...
Solar activity has been at low levels with only minor C-classflaring through April 24, 2025, and is expected to be...
Spaceweather.com reports a Cannibal Coronal Mass Ejection on April 15 sparked geomagnetic storms. On April 16, the storm became severe...
Due to most of the regions on the solar disk being fairly simple intheir magnetic complexity, solar activity is expected...
Solar activity is likely to be moderate (R1-R2, Minor-Moderate) witha slight chance for X-class flares through April 5. The geomagnetic...
On Wednesday, March 26, around 2130 UTC a Major Storm occurred. Atone point, the Planetary A Index was 49, and...
Solar activity reached moderate levels due to an isolated M1.5/1nflare on March 19 at 2040 UTC from Region AR4031. Regions...
Geomagnetic field activity is expected to be at minor storm levels for March 18, and then from March 27 and...
Spaceweather.com is reporting "A Hole In The Sun's Atmosphere" thatshould reach Earth on March 9 and 10. Solar activity has...
A Coronal Mass Ejection (CME) associated with a filament eruptionbecame visible on February 26 at 1448 UTC. Model analysisdetermined this...
Solar activity is expected to range from low to moderate levelsthrough March 15. There is a varying chance for R1...
NOAA reports a G1 (Minor) geomagnetic Storm Watch has been issuedfor 14 Feb, 2025. A coronal hole high speed stream...
Spaceweather.com reports that sunspot 3981 has produced more than 20M-class solar flares, including two that almost reached category X. The...
Solar Update Report January 30, 2025 The sun has been moderately active this past week. The greater than 2 MeV...
Last week was pretty unremarkable as far as the Sun goes, but it looks like that is about to change....