I am trying out Photoshop Elements 10 and am a new user. I was able to create a panorama with three photos each less than 2MB in size. The pano turned out to be 185MB, so there is no way I can post it on Facebook. Is there a way to stitch photos together that does not create such a huge file?
The stitching occurs at the original resolution. If you want the file smaller: you can choose a format like JPEG that does lossy compression, or you can resize the image to something more reasonable, then save it.