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hi i'm mike west of medipartner org this

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is some old footage of a supposed UFO

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that's recently resurfaced and it was

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new to me and so I took a look at it and

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it gives me that these appear to be in

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configuration of a triangle which kind

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of looks like a regular planes landing

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lights moving across the sky so I said

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this on the Facebook group where I saw

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this and people said that you know if

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it's a plane why doesn't the plane body

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obscure the stars that are behind it

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she's a reasonable explanation a

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reasonable objection now interestingly I

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then found that the video was very old

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and it was actually comes from ABC in

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1996 and I got to show you the actual

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video from the time we had hoped to be

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able to explain it to you but in some

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respects it's all the more wonderful

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that we can't here's a science

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correspondent Michael Gillan the

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sighting you're about to see was

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recorded by a powerful Air Force

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telescope high on a mountaintop on the

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island of Maui when suddenly these

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bright objects appeared the Air Force

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declined to comment officially but a key

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officer involved in the sighting says

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these are probably nothing more than

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airplane lights could this be an

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airplane it seems unlikely dr. Robert

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Nathan of NASA's Jet Propulsion lab is

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the father of digital image processing

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with a skeptical attitude towards UFOs

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if it were an airplane I think that we

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would see as it lived across the screen

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that the body of the airplane in front

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would obstruct the stars as it moved and

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as we examined that thing the image it

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didn't

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have that effect even back then even

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back then they were giving the exact

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same objection that you know if it was a

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plane why isn't it obscuring the Stars

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and so I thought about this and I think

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the reason is that the lights are

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essentially being blurred at the

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telescope that they used a video this is

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aiming at the stars so except this kind

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of long exposure whether they use the

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persistence of the image from frame to

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frame to build up the image of the stars

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over a few frames so you can actually

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see better and that's how in the effect

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that it's blurring out these trails of

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the the light and it's also making the

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Stars not disappear so much when the

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plane goes over them also the there's a

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lot of wobbling around in this image and

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there's all this distortion here from

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the the lights

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that's is streaking across and so it

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makes it very hard to see if things are

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actually distorting but what's actually

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going on I did a little mock-up here in

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Photoshop of what you might expect is a

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plane moving across the sky you can see

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the black silhouette of the plane

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obscuring the sky behind it I just put a

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gray background in let me remove that

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and so here is the plane moving across

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the sky now you can see it's actually

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quite hard to see the silhouette of the

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plane even though the silhouette is

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actually there however you can actually

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see it obscure the stars as it goes by

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now this is because we have this is like

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a proper video where every every single

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shot is perfectly in focus and yeah

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things don't assist from frame to frame

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so why does I rendered out this video of

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this plane moving across the star field

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and I took it into Adobe After Effects

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and I have the same video here

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and I added this effect to it the echo

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effect which we have over here

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configured over here and when I play

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this now it's creating these trails by

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essentially persisting the image for say

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10 frames I think we have here so the

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stars persist because they don't move so

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you don't you know see any change other

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than the background getting a bit grayer

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and brighter which is something you

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actually see in the video you get this

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grey sky rather than a black sky that

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you would expect and the trails actually

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are extended like this now if we zoom in

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so there so you can see it's not really

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extinguishing the stars with the body of

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the play and you see a little like if

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you look at this star here you will see

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a little dimming as it goes by but it's

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actually less dimming than you see with

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the general wobbling of the atmosphere

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in the original video so I think this

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actually demonstrates quite well the

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persistence of the light from frame to

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frame which is something you'd expect in

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an astronomical camera is quite possibly

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what's causing the stars not to be

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extinguished and what is causing these