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
[ Parent
| on HN ]
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.