Request for Feedback: Beginner - M13 first attempt

I agree on the previous comments. This doesn’t look like a begimmer attempt to me! There are no clipped blacks, stars look round and not over saturated. I like your decent star colors, no need to tweak everything to the maximum. A bit more wouldnt do any harm.
A thing i often see are artifacts from sharpening and tools like BXT. In case of single stars, these tools work differently than in the case of globular clusters, where the stars become too dense to separate. So BXT starts doing some weird things. I dont see this in your image AT ALL, and here is no need to use it anyways. So to sum up, i dont see any flaws in this image.

Globular clusters are stars only. No vague dust, no faint line emission. Just stars. That’s why globular clusters are maybe a bit underestimated i think. But the thing is: There are many many faint stars, which partially can be resolved. To do that, you need a dark night for globulars, with good seeing, just like with galaxies. Perfect guiding and collimation are more important than with other subjects. And bringing up those faint stars to show the cluster in its whole extent, without ruining the things mentioned above, that’s the big challenge and where globular clusters become really tricky.