Tony, ten points for your investigative tenacity!!! Good for YOU, sir.
On the plus side:
The blurriness can be explained away easily. He was nervous. It was a digital camera. He shot quickly and the object "took off". So, the blurry image, on it's own, does not make it any less credible, and you're right, the odd shadow around the object seems to match the blurred stationary object, like the house, so that imperfection in the UFO is explainable. It's not perfect, but it doesn't need to be. The picture simply validates the testimony, just like the police officers shaky polaroid simply validated his experience with a BT in Shiloh, Illinois. In my opinion, that shaky polaroid on the Shiloh, Ill. case is one of the best pieces of evidence in existence. Not because of the quality of the image, but because it corroborates the physical observations and testimony of it's excellent witness, who also passed a polygraph. It all adds up. The polaroid, alone, would have meant nothing.
Digression over. Back to the image on this post: It looks compelling, and these folks clearly are not, well, of the "hoaxing" caliber, and it does fit part of the BT dossier, does it not? It's got the 3 lights. It's "chevron" shaped. It's black.
On the other hand:
I definitely agree with your sensibilities on this one. Why assume it's a black triangle? Why assume there aren't other explanations? I like how you're digging deeper. It's interesting how everyone has a different approach to investigating a mystery. It's totally a personal journey, and there's no wrong answer. I think you're raising plausible explanations for this image. It could very well be a B2. I saw a Stealth in 1985 (I think that was the year) before the Discover article was published, outing the craft. This looks alot like what I saw, except mine didn't have lights. The AFB nearby could explain it enough.
I'd be more compelled if there were other witnesses, other photos or videotape, or if the sighting was closer, more intense, more compelling, traumatic, emotional, etc.
MUFON's a mixed bag. My sense of it, is that they'll be inspired to investigate deeper, if there's real meat to the punch, or, if there could be a safety concern. They seem to be motivated by "abductees". Their resources seem to be pretty thin, though. Most all of it is volunteer work, so, my two cents? Roll up your sleeves, it's going to be long night
You know the saying...If you want something done right...
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