The object seen that summer evening was chevron shaped, with a blue glow visable around the edges, moving silently & slowly. N-S.

I hesitate to even report this at this late date - but for the request on CoastToCoast AM last night. Needless to say my memory is very, very skechy now.
 I was out in the street with several other friends, after sunset but before dark (at dusk) when this craft 'appeared' in the sky above. [I don't recall who first sighted it, or name(s)] Aside from not even being sure if it was in 1947 or '48, much less, the month and day, or if it was more cheveron shaped or a triangle - but memory favors cheveron (I would have said boomerang shape then).
 The things that do stick in my mind are that it was moving slowly, with no sound audible. In addition, there was a blue glow all around the edges of the craft, which I think was grey or dull metallic color. It appeared to be about the same size as the moon appears when near the zenith, maybe a bit larger.
Sorry, I don't even recall how it actually dissapeared from view -- we may have been watching for a long enough time to exceed our/my teen-age attention span. I do seem to recall that it was traveling parallel to the street we were on, which ran in a north-south direction. (I think it was N15th or N16th St. in San Jose)  (Could this have simply been a [US] millitary craft, so unique appearing, and silent, way back in the late 1940's ?? -- I haven't a clue!)
Date is approximate.  PD