Three-day sunspot photos superimposed in PowerPoint, rotated and cropped.

Three-day variation of sunspots.
This combined photo shows the "movement" and changes of sunspots during the three days from January 12th to January 14th, and the shooting time is around 10 am. The white numbers in the picture indicate the sunspots on January 12, the green numbers indicate the sunspots on January 13, and the yellow numbers indicate the sunspots on January 14. We can clearly see that the "movement" of sunspots is actually formed by the rotation of the sun. For example, the sunspot numbered 3181 has turned to the back of the sun today, so there is no yellow number. The big sunspot numbered 3190 on the far left has turned out a little bit yesterday (green), and turned to the disk today (yellow). The sunspots numbered 3191 and 3192 were transferred from the back to the front today.
If you look closely at the sunspots every day, although the number is the same, the shape has obvious changes, which is related to the cause of sunspots.
Shooting time: January 12th at 10:10 am, January 13th at 10:05 am, January 12th at 10:05 am.