Don't miss this beautiful 3-planet parade after sunset on June 12 — it won't last long

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Don't miss this beautiful 3-planet parade after sunset on June 12 — it won't last long

Witness a Spectacular Trio of Planets in the Evening Sky

As the sun sets tonight, prepare to witness a celestial spectacle. A trio of planets - Mercury, Venus, and Jupiter - will be making a grand appearance low in the western sky. This brief yet impressive show of alignment is an excellent chance for skywatchers to capture some beautiful celestial images, even if all you have is a smartphone.

Although Venus and Jupiter have moved slightly away from each other since their close proximity earlier this month, Mercury has ascended wonderfully clear of the sun's glare and is now part of the assembly. Together, these three planets will make for a captivating sight, forming a slanted line along the ecliptic in the west-northwestern sky soon after sunset.

Timing is Key for Optimal Viewing

This isn't a slow-paced spectacle. The best time to watch begins exactly half an hour post your local sunset and only lasts for about 30 to 45 minutes before Jupiter and Mercury start to follow the sun below the horizon.

To kick off your planet-spotting adventure, first look for the particularly bright Venus - it'll be visible even when the sky is still fairly lit. Then, slightly lower your gaze and shift it a bit to the right to spot Mercury and Jupiter easily.

Telescope Users Can Compare Planetary Appearances

For those with telescopes or imaging equipment, this celestial event also presents an exciting opportunity to contrast the appearances of the three planets. Venus will appear as a small, intensely bright, 80%-illuminated disk, while Mercury will provide stark contrast with its 50%-illuminated "half-moon" phase. Spotting a clear, tiny half-Mercury in twilight is a proud achievement for any astronomy enthusiast. Jupiter, on the other hand, will appear as a much larger disk, although its low position above the horizon could cause some atmospheric turbulence that may blur some details. However, under stable conditions, advanced imagers might be able to capture hints of the planet's famous equatorial cloud belts alongside Mercury's sharply defined silhouette.

Photographers, Focus on Landscape Composition

For photographers, this alignment is an ideal occasion to focus on landscape composition. There's no need for prime-focus telescope adaptors - a 50 mm to 85 mm prime lens on a digital camera will do the job. The goal is to capture the deep twilight sky colors and frame the three planets as a slanted cosmic ladder ascending over a crisp local silhouette. This could be a mountain ridge, a distant city skyline, or a line of pine trees - anything that adds to the beauty of this celestial spectacle. So, get ready for an evening of stunning celestial sightseeing that won't last long but will definitely leave an impression.