In Less Than a Week

The Sun as seen in light from ionized calcium

***NERD ALERT!***

On November 30, 2022, it appeared that the Sun would be totally without spots for only the second time this year, since the only active region with spots was rapidly fading from view. The next day, however, two new spots appeared and in the following five days the sunspots went from nearly zero to wow! Sunspot activity is measured by the Wolf number. It is calculated by multiplying the number of spot groups (active regions) by ten and then adding the total number of individual spots. By that formula I calculated a Wolf number of 14 on November 30, and a Wolf number of 118 on December 6. What a difference a week makes on our very busy Sun!

#sunspot #sun #calciumk

Published by eskildoodle1

Retired physician with interests in writing, photography, music, and astronomy. I have written multiple stories of life experiences, travel, and astronomy, and have been playing the ukulele for 10 years. My wife Fairy and I travel frequently to the Pacific Islands of Hawaii, and French Polynesia, and I have learned several of their native-language songs. This blog will be a forum to share experiences with family and friends.

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