Recent Images - Solar 2011 Feb
Click on any image to see the full-sized version
Back to Recent Images Index
A sunspot group three imaging modes
Date:8-Feb-2011 11:31ut
Telescope:Solarmax telescope 90DS, and Ap 130
Note the very different appearance, where the narrower of the two Ha bandwidths picks up the plasma formations higher in the chromosphere, thereby obscuring the lower level spot detail. This does not always happen, but white light images of sunspots show the actual spots in more detail.