Hey John,
This is pretty nice looking, but I can definitely see that it would have really looked great if centered over the dock.
A suggestion with the Milky Way. I also will tend to adjust my WB cooler, and also increase the Magenta of the Tint, but I keep an eye on the Milky Way as I try to keep that free of the Magenta cast. For me, when the sky gets a bit of the magenta cast it looks pretty cool, but not so much for the Milky Way. So, what I will do is use a layer mask. I will have the magenta tinted version on top, the non magenta tinted one on the bottom where the MIlky Way is still more white. Then on the top layer I will use the Color Range tool under the Select menu, and zoom on an with the Eye dropper I will select a white star or an white area in the Milky Way. Adjust the Fuzziness slider to then increase or decrease how much White of the sky was selected. Make a layer mask from the Selection, and then it will allow the white of the Milky Way and the stars to show through.
You may already know how to do that, but I wanted to let others know who may be wondering how to do it.
Now, If you like the look of the Milky Way as you have it, and that's totally fine, as we all have different visions on how we want our night skies to look like. Just ignore what I suggested.
Jim