Our majestic star was recorded in the act of emitting high-intensity solar flares, which are strong blasts of energy. On...
Solar Cycle 25
Seven new sunspot groups appeared over the past week, February 8-14,two on February 8, three on February 10, and two...
Over the recent reporting week, February 1-7, ten new sunspot groupsemerged, five on February 1, one on February 2, another...
Solar activity increased substantially over the past week, with twelve new sunspot groups. One appeared on January 11, five more...
Eight new sunspot groups emerged over this reporting week, January4-10.Four new sunspot groups appeared on January 5, another two onJanuary...
Only four new sunspot groups emerged over the past week, one onDecember 28, another on December 31, and two more...
The recent reporting week, December 21-27, saw counter-intuitive solar numbers, with solar flux rising but sunspot numbers in decline. This...
There are a bunch of ways to estimate the age of a radio amateur, by the letters in their callsign,...
Sustained radio emissions originating from high over a sunspot are getting researchers thinking in new directions. Unlike solar radio bursts —...
"GEOMAGNETIC DISTURBANCE WARNING 23/74 ISSUED AT 2321UT/29 NOVEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "Several CMEs are expected...
The recent solar activity decline continues. Weekly average daily sunspot numbers starting with Propagation Forecast bulletin ARLP039 on September 21...
ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0249UTC on 22 SEPTEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE: "Solar wind...
Five new sunspot groups emerged this week, one on August 17, another August 18, two more on August 21 and...
The Australian Space Weather Forecasting Centre issued a geomagnetic disturbance warning at 0233 UTC on August 3. "Two recent coronal...
Average daily sunspot numbers declined, but average daily solar flux increased. Sunspot averages were 181.9 last week, and 130.6 this...
The average daily sunspot number for June, 2023 was the highest in 21 years, according to Spaceweather.com. From a July...
Sunspot region 3354 departs with a major X1.0 solar flare (R3-strong) yesterday at 23:14 UTC as it approaches the west...
In this edition: * Two Awards Available from AMSAT-UK Regarding EO-88’s Impending Re-Entry * URESAT-1 Deployed * Harbin Institute of...
Solar activity was up this week, with the average daily sunspot number increasing from 133.7 to 139, and average daily...
Average daily solar flux values dropped over the past week, but sunspot numbers were nearly the same, comparing May 25...
Both average daily sunspot numbers and solar flux increased this week. Average daily sunspot numbers rose from 118.6 to 133.4,...
This reporting week, May 11-17, average daily sunspot number was nearly the same as last week, 118.6 compared to 119.3,...
We saw a modest increase in solar activity in this reporting week, May 4-10. Average daily sunspot numbers nudged up...
An M1.7 solar flare took place yesterday peaking at 18:12 UTC. The eruption was combined with what looks like a...
Release Date: April 22, 2023 Here is a summary of the news trending This Week in Amateur Radio. This week's...
