Cirrus Light Sciencepone of Science! @Background Pony Number 17 I think it has to do with the direction the lighting is coming from and how Flutters turns her head, resulting in some of her head being in shadow in one frame but not the other. Posted 8 years ago Report Link Quote Reply
Background Pony Number 17 And here you can see how the light levels change as the image is panned across. Posted 8 years ago Report Link Quote Reply
I think it has to do with the direction the lighting is coming from and how Flutters turns her head, resulting in some of her head being in shadow in one frame but not the other.