That is a hot pixel, not something different. See Are hot pixels just one pixel? for some explanation, or What could cause this white speck in a blue sky? for an example where the pixel shows up as a distinctive "×" shape.

That is a hot pixel, not something different. See Are hot pixels just one pixel? for some explanation, or What could cause this white speck in a blue sky? for an example where the pixel shows up as a distinctive "×" shape.

That is a hot pixel, not something different.

That is a hot pixel, not something different. See Are hot pixels just one pixel? for some explanation, or What could cause this white speck in a blue sky? for an example where the pixel shows up as a distinctive "×" shape.