DARK BEAM NO PLANE
"this is happening over los angeles harbor no plane but trail" --pork, 04/16/11
"Several months ago, I witnessed trails appearing very quickly - faster than any aircraft I have seen - I got my camera with zoom lens. There was no plane. I would guess that about 12 trails were made this way. No one can tell me what technology made these trails." --Yvonne, 11/21/12
"I think that the lack of a plane is an artifact of the compact cameras contrast based focusing system,it can't get a fix on the plane whereas a DSLR with an infra red focusing system can." --Keith, 01/11/13
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