Thursday, April 14, 2016
The Giant Sunspot
I have been sketching sunspots now for two months, as part of the research project. The last few days there has been a really large sunspot that I have watched as it traverses the face of the sun. This spot is larger than the Earth! Even in my little 1 inch aperture 18th Century replica telescope, I could see that the spot was large and it also was surrounded by a large "penumbra" - the gray area surrounding the black sunspot. So I got out a much larger telescope, set it up, and photographed the sun and the sunspot. Notice that it is not a round spot, and there is white area that is slowly cutting into the spot. It will be interesting to see how this progresses over the next few days. Be sure and click on the image to see more detail.
Posted by Ken Spencer at 9:32 PM