Mercury Transit - 160509 - 4 minute overlay

After spending a lot of time culling the best images from in between all the clouds at approximately four minute intervals, and then aligning and rotating them to take out the drift and the rotation from the alt-az mount, here's an overlay of all frames together showing the progression of the transit. The wobble isn't real, but rather a function of the alignment and rotation and to some extent, atmospheric variations of the frames.