Double asteroid?
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by
jarmo
Is this a two asteroid or broken asteroid?
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by
CTidwell3
I'm assuming you are talking about the two spots that appear in frame 3 on the left edge of the image. If it were an asteroid moving into the frame in image 3, it would also appear in frame 4 moving in a linear direction (though with just two frames, it would be hard to confirm -- would need to refer to the image set to the left of this one for a set that would have any asteroid in all 4 frames without an edge to get in the way).
Since it is only in frame 3, it means this is an artifact. If you then add in the fact that the most common artifact motion pattern is to move down and to the right between frames 2 and 3, the fact we see it in frame 3 supports it being an artifact. It is moving up off to the left of this image set between frames 1 and 2, moving into the image set between 2 and 3 as it move down and to the right, then moving back out of the image set between frames 3 and 4 as it moves to the left.
Posted