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04/23/2010 | The K7RA Solar Update
A Sun with no sunspots! The quiet Sun returned -- through Thursday, April 22, there have been eight days straight with no sunspots. A new spot began to emerge on Wednesday, but it quickly faded. For the next 10 days NOAA/USAF predict solar flux at 78, 78,
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12/31/2009 | The K7RA Solar Update
Here we are, on the last day of the year, with finally some very positive indicators for Solar Cycle 24. Each day since December 9 (except for Christmas Day), sunspots have been visible. The average daily sunspot numbers for the week December 24-30 were 1
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12/11/2009 | The K7RA Solar Update
Finally! A sunspot appeared on Wednesday, December 9, giving us a daily sunspot number of 13, following 16 days of no sunspots. And on December 10, the sunspot number was 13. The new group is number 1034, and it is a Solar Cycle 24 spot, as all sunspots h
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12/04/2009 | The K7RA Solar Update
Recent sunspot activity -- which ended on November 22 -- pushed up the moving average we've been tracking for several years. Because we have all the data for November, we now have the most recent 3-month average of daily sunspot numbers, which centers on
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09/25/2009 | The K7RA Solar Update
This week we had a double-dose of good news: Right at the time of the autumnal equinox on Tuesday, September 22, sunspot 1026 -- a new Solar Cycle 24 sunspot -- came into view over the Sun's eastern horizon. We watched this emerge a week ago on the Sun's
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09/11/2009 | The K7RA Solar Update
No new sunspot activity this week, and no emerging sunspots are visible on the far side of the Sun. Sunspot region 1025 (or 11025) that appeared over August 31 and September 1 faded more than a week ago, and the area in which it appeared has just rotated
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07/24/2009 | The K7RA Solar Update
No new sunspots yet, but a big surprise this week with aurora and a geomagnetic storm: Sunspot activity peaked around 0300-0900 UTC on Wednesday July 22, with K index as high as 6. The planetary A index for the day was 24. You can see the K index variatio
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06/26/2009 | The K7RA Solar Update
Two new sunspots appeared last week, numbered 1022 and 1023, and both were Solar Cycle 24 spots, with 1022 lasting through June 23 and 1023 until June 24. On June 24, geomagnetic indices were unsettled. Sunspot numbers for June 18-24 were 0, 0, 0, 12, 24,
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