Originally posted by CthulhuMythos
I thought I saw other dots but turned out to be grub on my monitor!
^ Me too!
I see it after I zoomed in on the GIF you made. For people having trouble viewing the ufo, zoom to the top left and as the GIF changes images you can
see a little white dot moving towards the left of the images.
In my opinion, it looks like a meteor. Could be anything, there's no way to tell with such little detail. Good find!
I think there are other white dots in a few of the images. I saw one blip by to the right of the lower dark pixel. I think there were others but I
can't quite tell with the contrast of the images. So, if there are several transient white dots is this an artifact of the camera or larger pieces of
dust? It would be interesting if you can rule those two out.
I watched the longer gif and focused on smaller sections. Does anyone see these other dots?
OP- You said you go through a lot of these images, was it the apparent motion that caught your attention or just that you don't see white dots at all
Also, wasn't it pointed out earlier that meteorites would leave a streak not a speck/dot?
edit on 21-1-2013 by Twilightgem because: (no reason
Originally posted by munkey66
could it be a meteor shower?
having a completely different atmosphere than earth , any meteor would just pass close without actually having to burn up in an atmosphere with no
I am no expert, just puting out something from outside the box.
While it may very well be just a meteor shower, it's moving in a bit of an odd direction and pathway to be a normal 'meteor'. Perhaps it's dust
on the camera lens, moving because the rover went over a bump? But that would also imply the picture would have a different positioning with the main
Hi. My friend is the one who found it. I don't usually go through the 1024x512 sized NavCam images because I am an image stitcher - not a dust devil
searcher. (That's why those specific shots are taken).
And meteors would indeed leave streaks, wouldn't they (I would think)?
edit on 1/22/2013 by impaired because: (no reason given)
The stuck pixels, like the dead ones would be consistent in every picture taken by/with the same screen? White transient spots are then not pixel
So, dust... Is that dust then close to the lens and can someone familiar with the cameras images be able to tell distances of certain objects?
Don't hit your head too hard! You might jog something loose
Yes. The JPG images, provided by JPL, that are the source of the OP animated gif, are not original, high res images. They publish this format due to
file size restraints and the fact that no one really cares that much about little white dots.
I was thinking JPG artifacts too... But after I kept looking at the blown-up resized animated GIFs, I realized that I have already noticed the JPG
compression. I remember this from when I put together the MARDI video. After the rover landed, it kept "filming" (they were actually 1504 images
that were ran in a sequence). The video goes for a good minute and a half AFTER it has landed. The JPG compression what I would describe as "snowy"
- if you will.
What I am trying to say is that in the MARDI video, you can clearly see JPG compression after it lands as the rover is stationary - and it doesn't
appear to resemble the white dots at all.
Here is the MARDI video. For the sake of this thread and the OP, please pay attention to AFTER it lands and after the dust clears. And please make
sure you're at full-screen.
What you will see is JPG compression, and it doesn't look to me to be the same as what is in the OP.
And like I said, we can already see the JPG compression in those NavCam images - especially the 20-frame version from Sol 160 that is at the bottom of
the page (a few pages back).
Unless I'm wrong, we can rule out JPG compression, which would really be a good explanation, actually.
I just don't think that's the case in this one.
So if it's not JPG compression or overloaded pixels, we're back to meteors and/or dust...
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