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Update 2024-06-13-Proverbs.md
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shahin-jafarzadeh authored Jun 17, 2024
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Expand Up @@ -16,3 +16,6 @@ Calculation of rotations in either case rely on careful tracking of the sunspots
We present a fully automatic method to identify and track sunspots in long sequences of data from the Solar Dynamics Observatory Helioseismic and Magnetic Imager (SDO/HMI) at a high temporal resolution. This includes registering the splitting and merging of sunspots, and allocating sunspots to active regions. This information can be fed into algorithms to measure the rotation of individual sunspots or used to calculate the relative motion of sunspots with respect to each other (including co-rotation).

The method is applied to a four-month data set that has previously been analysed using a semi-automatic method where the basic sunspots were identified by eye, and the results are compared to determine any differences between the methods. From this data, sunspot dynamics such as sunspot rotation, shearing and merging are calculated, alongside sunspot pair interactions. Case studies of successfully tracked sunspots will be presented, showing examples of the individual sunspot rotations and some initial results involving sunspot pair interactions with correlations to solar activity.

### Recorded video
[http://doi.org/10.18147/smn.2024/video:368](http://doi.org/10.18147/smn.2024/video:368)

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