Yes your guiding is pretty decent!
The Root Mean Square of your total guiding error is +/- 1.14 arc seconds (so if I recall correctly that means on a normal distribution 68% (+/- 2 sigmas) of all adjustments fall within this range. I have seen rigs twice as good or bad still produce great results.
So your pixel movement involved in that RMS measurement is 0.28 pixels - which to mee seems pretty good - and a simple division shows each pixl therefore sees 4 arc seconds.
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