Image Round-Up: Planetary Oppositions of 2018 A round up of some of the best images of Jupiter, Mars, and Saturn from around the world. It's been a great year for planetary observers and imagers! One after another, the three bright major planets Jupiter, Saturn, and Mars reached opposition from early May to late July 2018. Planetary imagers have been busy this summer collecting data and processing some fantastic images of these three fascinating worlds. Here's a collection of recent images collected by amateur astronomers from around the world. Read the full article here.