I assumed rocket/test of some sort as well. Asking DPR astro forum, a couple say meteor.That looks like a rocket trail. I've never heard of a meteor leaving a con trail.
I'm a fan of interesting, "artsy" stuff. I picked up the Zeiss Batis 85 a while back when they had a pretty good discount on them. I like 85 for walking around.Bought a Sony 85mm f1.8 and can't recommend it enough. Pretty small, compact, fast and silent autofocus, bokeh is delicious and the price under $600 is really good. I finally feel like I can do candid street photos without bugging out with nervousness.
Not sure how you all will feel about the more arts-y reflection shots, but I like this sort of thing: