Strange artefact appears in photo

Mystery57

Mystery57

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Andrew
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Canon R5 and RF 24-240 lens

I was taking a series of panorama shots around this location this being the last, and when I got home and processed them in Photoshop using Camera Raw I discovered the straight line artefact.

I took a lot of photos after this image and it didnt appear, and this is the first time it has happened and am curious as to what it could be. I was starting to wonder if someone away to the right of the image was using a laser pointer as this seems to originate behind some trees

What do you think could have caused it as Im really curious
 

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Could it be a kite-surfer's line?
 
I was going to say it was the exhaust plume of a ufo but on closer inspection it’s probably a piece of fibre which was on the sensor and then it came off.
 
I don't think it was anything physical outside of the camera, either electronic (was it electronic shutter) or a strange reflection of a shutter curtain, and it is sloping because of the rolling shutter effect
 
Sangoma said:
I don't think it was anything physical outside of the camera, either electronic (was it electronic shutter) or a strange reflection of a shutter curtain, and it is sloping because of the rolling shutter effect
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Agreed.
 
I did wonder about shutter but questioned myself as to why it happened just once and never before or since. It couldnt have been anything physical as I was stood on the edge of a dock shotting across the water, fishermen and other people nowhere near. If the sun had been at a different angle would possibly have considered that but it was wasn't - perhaps an alien beaming down into an underwater base ..........watch this space:D:D
 
Ah, yes, I had forgotten about the possibility of an Alien!
 
Mystery57 said:
I did wonder about shutter but questioned myself as to why it happened just once and never before or since. It couldnt have been anything physical as I was stood on the edge of a dock shotting across the water, fishermen and other people nowhere near. If the sun had been at a different angle would possibly have considered that but it was wasn't - perhaps an alien beaming down into an underwater base ..........watch this space:D:D
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I wouldn't hold your breath. I had a similar strange artefact on one image from a sequence about 20 years ago, but haven't been abducted by aliens yet...
 
I suspect that line is a more subtle version of this effect, which I think was caused by my inadvertently setting the camera to electronic shutter mode...

Cars passing under railway bridge Cowick Street Exeter GM5 _1050041.jpg
 
Cobweb, was the first thing that came to mind ....
 
cropped in a little bit here - the bottom left line stops about 2 inches across from corner of image, when zoomed in the top bit of the line stops near the trees doesnt go as far as the corner, which to my thinking eliminates a shutter problemtest3.jpg
 

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Mystery57 said:
cropped in a little bit here - the bottom left line stops about 2 inches across from corner of image, when zoomed in the top bit of the line stops near the trees doesnt go as far as the corner, which to my thinking eliminates a shutter problemView attachment 414679
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It doesn't just stop, it tapers out.
Still looks like a reflection from something, and to me the only thing accurate enough to make a dead straight line is something in/on the shutter mechanism.
 
Mystery57 said:
5th of 6 images - no processing error as it appears in the original RAW file
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Might you be able to post the RAW file to a location that could be shared? It would be interesting to visualize the line near each end, using RAW conversion, rather than a lower res posted JPG..
 
I looked at the RAW file which Andrew forwarded to me, and zoomed in very tightly...the line extends fully across the image, from bottom edge to the right edge. Very uniform in appearance for its length and with no texture visible. It was somewhat difficult to visualize where it crosses the sky, but it definitely is visible all the way from edge to edge! Hard to draw a conclusion about what caused the line, apart from it likely being digital in origin, as it does not appear to be something dragging across the frame...it is too uniformly defined.
I created a couple of JPG images of the two edges, but right now my image sharing provider is not fininishing the sign-in process, it has been this way for the past 1.5 days, and probably not resolved until Monday at the earliest. So I will post the two image when the image sharing site is working again.
 
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droj said:
No. Your science is fake. Even at Mach 2, pee always describes an arc.
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Pee instantly vaporizes at Mach 2, so one cannot see an arc formed by it, much less describing a straight line visible in a photo.
 
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I think you 2 are taking the pone55 now!
 
You say that this is one shot from a pano sweep

assuming some overlap between shots:
- if it appears in the adjacent shot it’s real, and outside the camera
- if it does not appear in the adjacent shot it’s in camera
 
You say shots 5 AND 6 were affected
was the line in the same place in the frame, or in the landscape?
 
Mystery57 said:
The line was relevant to the original landscape portion, in what it was passing through exactly but not in the final image location - for example (ignore bit of railing in 2nd image)
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That does make it a puzzle, I understood it was just on one image!
 
That suggests to me that it is NOT in camera

it‘s in the same location in the “real” world - either physical, or optical
 
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