Photoshop Elements 15 - Crop and register two images to produce mosaic with slight adjustment of brightness and contrast

Transit of Mercury - First 30 Minutes
Despite thickening high cloud managed to capture the first thirty minutes of the 5½ hour transit of Mercury from ingress (top left) at 14.36 to 9 percent at 15.06 LT. Camera: Hand-held Panasonic Lumix DMC-TZ60 compact camera with exposed x-ray film filter attached to front of x60 zoom lens.