In article ,
Ed Cannon wrote:

I think the only way to see the triangle's actual shape is when
they are straight up. Otherwise, there are perspective effects
involved, although they're not too big until a triangle gets
down low in the sky.

Ah, okay. I forgot about the early (75 deg.) pass last night,
so the one I saw was only 20 degrees. I'll have to try to catch
some more passes and see how the configuration differs.


Patty