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Location: UFOUpDatesList.Com > 2007 > Oct > Oct 21

Re: Ask The Pilot

From: Don Ledger <dledger.nul>
Date: Sat, 20 Oct 2007 21:54:20 -0300
Archived: Sun, 21 Oct 2007 09:55:58 -0400
Subject: Re: Ask The Pilot

>Source: Salon Internet - San Francisco, California


>Oct. 19, 2007

>Ask The Pilot

>Looking out the window on a flight from Helsinki, Finland, to
>New York's JFK, I noticed a long, dark streak trailing across
>the surface of the cloud bank below - the shadow of the jet's
>contrail. But there was no shadow of the plane itself. Instead,
>a giant optical bloom appeared where the shadow should have
>been. It was a circular halo with two concentric colored rings,
>like a lens flare.

>(Special thanks to Gregory Dicum's enjoyable book Window Seat
>for help with this one.) The phenomenon described is called a
>"glory." As those (few) passengers who still look out the window
>have probably noticed, glories are quite common under the right
>conditions of cloud cover and sunlight angle. The aura of
>colored bands is caused by sunlight diffracted and reflected
>back toward its source by water droplets inside a cloud.
>Sometimes you do see the airplane's shadow directly in the
>halo's center; other times, as seemed to be the case during your
>flight from Helsinki, one sees only the rings.

I have a shot of one of these 'Glories' forwarded by another
pilot. If anyone wants to see it, email me offline and I'll send
an attachment - unless Errol can think of another way that's
more accessible.

Pilots have seen them or are aware of them and they are not
likely to be reported by pilots as a UFO. They are nothing new.

Don Ledger

Listen to 'Strange Days... Indeed' - The PodCast



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