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12/12/2008 | The K7RA Solar Update
Finally! A sunspot group appeared this week, about three weeks since the last group disappeared. The first spotless day after sunspot group 1008's last appearance was Tuesday, November 18; the last spotless day before group 1009 emerged was Tuesday, Decem
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12/05/2008 | The K7RA Solar Update
This was another quiet week; the geomagnetic indicators hovered around zero and there were no sunspots. Look at the A values for mid-latitude, high latitude and global here. There was another unusually quiet period this week on Sunday, Monday and Tuesday
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12/01/2008 | The K7RA Solar Update
Today's bulletin is going out on Monday instead of Friday, due to last week's Thanksgiving holiday. The last Solar Update was released on Wednesday, November 26. Starting Friday, December 5, we return to a regular Friday weekly bulletin schedule.
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11/21/2008 | The K7RA Solar Update
The latest sunspot appearance lasted eight days; the spot passed from view after Monday, November 17. Geomagnetic indices have remained nice and quiet. If you look here for recent geomagnetic data, you will notice certain times which were extremely quiet
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11/14/2008 | The K7RA Solar Update
We soon may be talking about a day or two without sunspots as the norm, perhaps when looking at a preceding month -- quite the opposite of noting the few days with sunspots. It seems like a long time ago because of the long strings of spotless days. We sa
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11/07/2008 | The K7RA Solar Update
Sunspot 1007 is still there, but probably rotating off the visible solar disk sometime today. This is the eighth sunspot of the new solar cycle -- and also the largest. Sunspot numbers for October 30-November 5 were 13, 16, 16, 17, 18, 14 and 11 with a me
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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
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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
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