Writing at, Bob King has said:Įtched in my brain cells is an image of a sharp, gleaming disk striped with two dark belts and accompanied by four starlike moons through my 2.4-inch refractor in the winter of 1966. Also watch for 4 bright stars marking the corners of a square pattern: the Great Square of Pegasus. You can’t miss it! If you have a dark sky, look near Jupiter for the Circlet asterism in the constellation Pisces the Fish. And it’ll be ascending in the east during the evening hours this month. It’s a very bright planet, brightest object in the sky after the sun, moon and planet Venus.
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Jupiter is easy to spot now Here’s how to find Jupiter in September, 2022. Going from the moon closest to Jupiter to the outermost, their order going outward from Jupiter is Io, Europa, Ganymede and Callisto. If a moon is in front of the planet, you can sometimes see the moon’s shadow on Jupiter’s cloud-tops. If you see fewer than four moons, that might be because a moon is behind – or in front of – Jupiter. But you’ll know they’re not stars because you’ll see them stretched out in a line that bisects the giant planet.ĭepending on what sort of optical aid you use, you might glimpse just one moon or see all four. And, on the night of opposition, Earth and Jupiter will be closer than they’ve been for 70 years.įrom Earth, through a small telescope or strong binoculars, the moons of Jupiter look like tiny starlike pinpricks of light. So the distance between Earth and Jupiter is now less than usual. That’s because the king of planets is nearing opposition – when Earth will sweep between it and the sun – on September 26. September 2022 is a great month to look for Jupiter’s four large moons. These four satellites are collectively called the Galilean moons to honor the Italian astronomer Galileo, who discovered them in 1610. And one – Ganymede – is the largest moon in the solar system. Three of the four moons are bigger than Earth’s moon. How to see Jupiter’s moonsĪll you need is a good pair of binoculars (or a telescope) to see the four largest moons of the biggest planet in our solar system, Jupiter. Image via NASA/ JPL-Caltech/ SwRI/ MSSS/ Kevin M.
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Gill, a software engineer at NASA’s Jet Propulsion Laboratory, created this mosaic. Image was acquired on September 19, 2019. This image was captured by the JunoCam camera aboard NASA’s Juno spacecraft, currently orbiting Jupiter. The shadow of Io, one of Jupiter’s moons, is cast on the giant planet’s cloud tops.
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