June brings a rare planetary parade

As we head into June and the beginning of summer, a rare sight awaits in the pre-dawn sky: a parade of planets.

All five planets that can be seen in the sky with just our eyes will form a planetary parade spanning across a wide swath of sky. Even rarer, the five planets will be in proper order from the Sun — Mercury, Venus, Mars, Jupiter and Saturn. The last time this happened was December 2004.

The key to seeing the planets is a clear horizon free of trees and buildings — the planets closest to the Sun will be near the horizon. Light pollution will not be a factor unless you have a glaring streetlight at your viewing location. The Atlantic Ocean beaches are perfect for spotting this event, as Mercury and Venus would be easy to spot above the ocean horizon and the other three planets will be a cinch to see higher in the pre-dawn sky.

As an observing tip, Mercury will get higher in the sky as the month goes on, and binoculars can help you find it.

As provided by Sky and Telescope:

Click to expand. (Courtesy Sky and Telescope)

June 3 – 4: On these two mornings, the separation between Mercury and Saturn will be at its smallest, and the five planets will span 91 degrees. Find a place with a clear view low toward the east to maximize your chances of catching Mercury. Bring binoculars. You’ll also need to make sure you’re in position well in time to enjoy the view of all five planets — you’ll have less than half an hour between when Mercury first appears above the horizon and when it essentially gets lost in the glare of the rising Sun.

Click to expand. (Courtesy Sky and Telescope)

June 24: According to Sky & Telescope magazine, the planetary lineup this morning is even more compelling. To begin with, Mercury will be much easier to snag, making the five-planet parade that much more accessible. And you’ll have about an hour to enjoy the sight, from when Mercury pops above the horizon to when the rising Sun washes it out of the sky. But the real bonus is the waning crescent Moon positioned between Venus and Mars, serving as a proxy Earth. By this time of month, the planets are spread farther across the sky — the distance between Mercury and Saturn will be 107 degrees.

Use the provided sky charts to help you set your alarm and identify the planets. Try imaging the planets with your smartphone or any type of camera.

Enjoy the view, and oh — our very own Milky Way Galaxy starts to make its appearance in our summer skies late in the evening.

CLICK TO EXPAND: You need a dark sky site like this to see the Milky Way in all of its summer glory. Fireflies are an added bonus. Taken by Greg Redfern at Edgewood Miller Farm, Barboursville, Va. (Courtesy Greg Redfern)

If you want to celebrate the start of summer, learn how to photograph the night skies and see the Milky Way from a dark sky site, join me June 21 at Crescere Farm. See you there!

CLICK TO EXPAND: The summer Milky Way is a must-see summer sky treat. Taken by Greg Redfern at Edgewood Miller Farm, in Barboursville, Va. (Courtesy Greg Redfern)

Follow my daily blog to keep up with the latest news in astronomy and space exploration. You can email me at skyguyinva@gmail.com.

Related Categories:

Science News | The Space Place

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