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#697838 08/04/21 09:44 AM
Joined: Jun 2019
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Has a lot to Say!
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Spotted this morning, can any aviation experts out there explain this? I've never noticed it before.

The trail was west to east with the blue stripe on the south side.

[Linked Image]
[Linked Image]


Gordon Duguid
2014 Duratec engine plus 4, Montreal blue.
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We've got a local pilot doing smiley faces

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Smile, it confuses them
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Smile, it confuses them
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It is the shadow of the contrail?

https://www.atoptics.co.uk/atoptics/contr2.htm


Everyone loves a Morgan. Even me, unless it's broken again.
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Yes, most likely a shadow. I've noticed them occasionally, and it takes a while for your brain to accept there's a thin cloud layer below the contrail!

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Originally Posted by Alistair
It is the shadow of the contrail?

https://www.atoptics.co.uk/atoptics/contr2.htm


Thanks Alistair, I'm assuming that the shadow was cast by the moon then, which must have been North of the trail?
The sun would have been ESE when I took the picture.


Gordon Duguid
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^^^ +1 ..... contrail shadow ..... the shift is probably a parralax effect from where you're viewing it


K

Last edited by Image; 08/04/21 10:37 AM.
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Smile, it confuses them
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If the sun is low on the horizon or there is a thin low level cloud base it can cause this.


Everyone loves a Morgan. Even me, unless it's broken again.
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At an air show, 2 planes sky painting

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Hannes
once: Green M3W; 2013
now: Red 4/4 Sport; 2011
and some practical cars for use in real life
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Yorkshire Airways dumping the Elsan Lavatory waste.


Bruce
1964 4/4 Series V Comp (Megan)
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Tricky Dicky
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Tricky Dicky
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PMSL rofl

The Red Arrows version.



2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev





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