Time Blend Experiment

I've been experimenting with some time blending. This was my first time trying this so I am definitely open to any/all feedback. Especially if you have experience with doing this. I shot for about 5 hours. From 730pm to 12:30am Eastern Standard Time. I only used 100 photos for the star trails. They could definitely be better (also had to deal with people around the camp fire that could not resist turning on their flashlights every 5 seconds!) My goal was to blend sunset/blue hour colors (of which I did not get much of) into the night sky/star trails. I think I like the first one better my self (the one that does not have the trails in the reflection). I think the blend is smoother. Overall, for a first try I think these are decent, it's always hard to judge your own work. Would love to hear some thoughts/feedback on these. And any tips/tricks you have for time blending.