Cemetery Dog

Okay, so I came across this dog in my city's "haunted" cemetery. He appeared out of nowhere, let me take some pictures, and then I turned away for a few moments, and when I looked back, he was gone. And when I say he came out of nowhere, I mean it! I was looking in the direction he came from and didn't see him at all.
He had the most human eyes and I'm convinced he was a spirit of some sort.
For MONTHS I'd get chills whenever I saw the picture.

Note: photo is raw. I didn't want to alter it because it doesn't feel...right.