| A sunspot group three imaging modes |
| Date: | 8-Feb-2011 11:31ut | |
| Telescope: | Solarmax telescope 90DS, and Ap 130 | |
| Camera: | Skynix |
| 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. |