-
02/13/2009 | The K7RA Solar Update
Sunspots returned this week, or rather, one did, but it is an old Solar Cycle 23 spot. Sunspot 1012 has been visible the last couple of days, February 11-12. It is down near the Sun's equator, typical for spots from a previous cycle. It's nice to have a s
Learn More -
01/30/2009 | The K7RA Solar Update
On Tuesday, January 27, we saw another one of those "almost-a-sunspot" emerge in the Sun's low latitude, so it was probably an old Solar Cycle 23 spot; it was gone the next day. Sunspot numbers for January 22-28 were 0, 0, 0, 0, 0, 0 and 0 with
Learn More -
01/23/2009 | The K7RA Solar Update
Monday revealed another shy sunspot. Sunspot 1011 appeared suddenly, and then it was gone. Its configuration and location did not identify it as belonging to either Solar Cycle 23 or 24. On Monday, January 19 the sunspot number was 13. Sunspot numbers for
Learn More -
10/24/2008 | The K7RA Solar Update
Visible sunspots continued last week for eight days straight, the longest continuous period of sunspot visibility since the 12 days of March 23April 3 last year. Sunspot numbers for October 16-22 were 24, 11, 0, 0, 0, 0 and 0 with a mean of 5. The 10.7 cm
Learn More -
09/12/2008 | The K7RA Solar Update
A new sunspot -- number 1001 -- emerged on Thursday, September 11. It is actually a single group with two small magnetic disturbances; we hope it is not another like the last sunspot, a weak one that barely emerged on August 21-22. That spot was so small
Learn More -
08/01/2008 | The K7RA Solar Update
July ended with no sunspots at all -- save for three days, July 18-20, when one weak sunspot group appeared and faded from view. Sunspot numbers for those days were 11, 12 and 11. Sunspot numbers for July 24-30 were 0, 0, 0, 0, 0, 0 and 0 with a mean of 0
Learn More -
07/25/2008 | The K7RA Solar Update
For several days over the past week, we saw a couple of sunspots -- but just like other recent dying Solar Cycle 23 spots, they faded quickly. This group, lasting from July 18-20, was number 1000. No sign of Solar Cycle 24 in recent memory, just a couple
Learn More -
07/18/2008 | The K7RA Solar Update
If today is like yesterday and the day before that, it will be the 26th consecutive day with no sunspots. Think this is bad? At the last solar minimum, there were only four days showing any sunspots between September 5 and October 24, 2006.
Learn More
Search for Amateur Radio News
