Hmm. At first glance they look like window reflections, but since you saw them outside that rules it out. 50-70 dots is a hell of a lot--it pretty much rules out aircraft afterburners, since that would mean a few wings' worth of fighters, and that would definitely make the news.
I don't know much about meteorology, but--is it possible that the wind direction at whatever altitude these things were at is different from the wind direction at ground level? Maybe flares of some kind?
Space debris--I would think that the trails look different from that, judging on photos that I've seen, but as I've never observed anything in person my opinion should probably be discounted. High-altitude supersonic flights, large-scale, perhaps, but very unlikely.
And one question: there's a blue dot on the photos. Did you observe that as well, or was it something reflecting off the lens?
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Vanvikan, Feb. 2009: ordinary human, KIA, night 4
HMS Thanatus, May 2009: ??? human, KIA, night 7
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