Looks like you are over correcting every RA move. Guider is moving mount too far then moving too far back again.
Try reducing aggressiveness even more or and dialing the Max RA down as well
Also make sure the backlash compensation on your mount is off and you are slightly weight biased to theeast side of the mount to keep the worm gear from bumping against the direction it it moving which can also cause these kinds of oscillations.
Also what focal lenght is your guide camera ? Depending on answer to this your min move may be too low as well.
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