Some patterns (depending on the viewing direction and zoom level). In the background, some high cumulus clouds indicating a thunderstorm activity in the southern area of Munich, Bavaria. The furrows did not properly stitch, even not with PTGui. This was the best result with PanoramaStudio.

Nice shot with the contrasting weather

Great sphere.

The stitching errors and moirée patterns in the furrows reveal a problem of any stitching software: geometric structures! Be it power lines, road markings, field furrows etc. - the necessity to "bend" flat photos for a sphere unfortunately regularly generates such connection errors with large-scale structures. Only a subsequent correction retouching in Photoshop helps (select with Polygon Lasso Tool, move and fill gaps with Content-Aware Fill).

But, as you already noticed: "...the best result [can be obtained] with PanoramaStudio".