Only about 5 MB compressed. Interesting to note is that even though the extension and MIME type claim it's a png, Firefox claims it's actually a jpeg. Throwin

Only about 5 MB compressed. Interesting to note is that even though the extension and MIME type claim it's a png, Firefox claims it's actually a jpeg. Throwing it at a couple different pieces of software, they all appear to open it with either file extension (so presumably they're going off the file header rather than the actual extension).