-
03/05/2010 | The K7RA Solar Update
Two new sunspot groups appeared on March 1, numbered 1052 and 1053. The total number of sunspot groups appearing over the last month is 11. Looking at our 3-month moving average of daily sunspot numbers, the latest for December-January-February is 22.4, f
Learn More -
02/19/2010 | The K7RA Solar Update
We've now observed sunspots continuously for the past 30 days -- certainly a turnaround from the quiet conditions of the past few years. In fact, in 10 weeks, we have seen only three days with no sunspots: December 25, January 6 and January 19.
Learn More -
01/08/2010 | The K7RA Solar Update
Recent sunspot activity is increasing, and the numbers bear this out. The average daily sunspot number for 2009 was 5 and the average for 2008 was 4.7.
Learn More -
12/24/2009 | The K7RA Solar Update
Many of us are nearly giddy with joy over the recent steady increase in sunspot activity that seems long overdue. Average daily sunspot numbers rose more than 10 points this week compared to last -- from 21.1 to 31.4! The monthly average daily sunspot num
Learn More -
10/16/2009 | The K7RA Solar Update
No sunspots appeared this week, although there were hopeful signs. Spaceweather.com reported on October 11 that a new sunspot was "struggling to emerge," but it faded quickly, and the Sun has been blank since then. Sunspot numbers for October 8-
Learn More -
10/31/2008 | The K7RA Solar Update
Solar Cycle 24 is slowly building momentum. We saw sunspots for eight days in a row -- October 10-17 -- then 12 days of no spots. Another sunspot -- number 1007 -- appeared on October 30 from Solar Cycle 24. It is a high latitude sunspot and may provide s
Learn More -
05/23/2008 | The K7RA Solar Update
This week several new sunspots appeared for five days, but they were all leftover spots from Solar Cycle 23, not new Cycle 24 spots. But this is okay, because at the sunspot minimum we appreciate any spots we can get. May 16-20 saw daily sunspot numbers o
Learn More -
03/28/2008 | The K7RA Solar Update
It is exciting to see heightened solar activity one week into spring. Currently, three sunspots are visible: 987, 988 and 989. The consensus says that all seem to be old Solar Cycle 23 spots. But with the three sunspot groups so close to the Sun's equator
Learn More
Search for Amateur Radio News
