Cosmic Magnifying Glass

Here is a lunar halo from April 18'th. Courtesy of a passing aircraft leaving a contrail that drifted to the edge of the image proving the handle  for the magnifying glass around the Moon. Jupiter is to the upper right of the Moon.
Object Moon and Jupiter inside the halo
Exposure 0.3 seconds, hand held
ISO 1600
Camera Canon 60Da DSLR
Optics Sigma 18 to 200 mm f/3
Location Bedford, Nova Scotia
Processing Horizontal line  removal and masked noise reduction in Images Plus.