SUN BLOG SEPTEMBER 30

It looks like we're in for a (mostly) sunny week ahead. There has been some minor solar flare activity on the western limb (right edge) of the Sun over the past couple of days, so I think I will spend the day watching and photographing the action.
Below, is a visible-light image of the Sun, showing two large sunspots. I've included the approximate size of the largest one.

 

Below, is another image of the Sun, showing it in Hydrogen-alpha wavelength. This wavelength is not visible to the human eye, but shows many features and activity.  The circled region is where the current Xray solar flares are occuring, while the inset graph shows the plot of Xray activity as monitored by an environmental satellite (GOES-15).

***REMEMBER.....NEVER LOOK DIRECTLY AT THE SUN WITHOUT PROPER FILTERING DEVICES!!!!  PERMANENT EYE DAMAGE MAY OCCUR!