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Re:Space Shuttle and ISS transit the Sun. by pencil on Friday September 03, 2010 @04:31PM (#1661035)
kinda unbelievable..no sun spots or any other form of solar activity
Re:Space Shuttle and ISS transit the Sun. by mturmon on Saturday September 04, 2010 @02:41AM (#1662188)
On that day, there were no visible sunspots:

http://soi.stanford.edu/production/gif_images/intensitygrams...

But, a week later when it made APOD, there was a big one:

http://soi.stanford.edu/production/gif_images/intensitygrams...

Here's a very active day from a peak in the last cycle:

http://soi.stanford.edu/production/gif_images/intensitygrams...

These are not true white-light images, but they are approximations. Also, their contrast has been enhanced.