8 must see celestial events lighting up July 2025; from Buck Moon to Rare Planet Sightings
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1. Messier 22 at Its Brightest (July 1)
2. Mercury's Best Evening Appearance (July 4)
On July 4, Mercury reaches its greatest eastern elongation, making it one of the most favorable times this year to observe the elusive planet. Look low in the west-northwest sky shortly after sunset, during the twilight period. Even if the skies aren't clear that evening, Mercury will continue to be visible for several weeks.
3. Full Buck Moon Rises (July 10)
4. Rare Moon-Saturn-Neptune Alignment (July 16)
In the early hours of July 16, skywatchers can witness a rare triple alignment in the constellation Pisces, as the waning gibbous moon appears near both Saturn and Neptune. While Saturn will be clearly visible to the naked eye, spotting Neptune will require a telescope due to its faintness. Interestingly, Saturn is currently in retrograde, creating the illusion of westward motion in the sky.
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5. Crescent Moon Meets Pleiades (July 20)
Before sunrise on July 20, the crescent moon will shine close to the Pleiades star cluster, also known as the Seven Sisters. This beautiful conjunction will be especially captivating through binoculars, revealing the cluster's shimmering stars alongside the soft glow of the moon in one field of view.
6. Pluto at Opposition (July 20)
7. Mars and Moon Conjunction (July 29)
In the pre-dawn hours of July 29, the waxing crescent moon will appear close to the red planet Mars in the constellation Taurus. Though the pairing will be low on the horizon, it's worth catching—the contrast of Mars' warm glow and the delicate crescent moon will make for a striking view if skies are clear.
8. Southern Delta Aquariids Meteor Shower Peak (July 29–30)
As July begins, skywatchers are in for a stunning cosmic display filled with star clusters, meteor showers, and planetary sightings—including a rare opportunity to spot the dwarf planet Pluto. From the luminous Buck Moon to brilliant planetary views, the month offers a visual treat for both experienced astronomers and casual stargazers. Based on insights from National Geographic, here's a guide to the most anticipated celestial events lighting up the July night sky.Just after midnight on July 1, the globular star cluster Messier 22 (M22) will reach its highest point in the night sky, offering optimal viewing—especially for those located south of 46° N latitude. Positioned in the constellation Sagittarius, about 10,000 light-years away, M22 is among the brightest globular clusters visible from Earth. While it may look like a faint blur to the unaided eye in dark skies, binoculars or a small telescope will reveal a densely packed, glowing sphere of hundreds of thousands of stars.The full moon, known as the Buck Moon, will reach peak illumination on July 10 at 4:37 P.M. EDT. Named for the time of year when male deer begin growing new antlers, this full moon will appear especially bright and detailed. For the best experience, use binoculars to explore lunar features like the Tycho crater's bright rays and the dark, flat plains called maria on the Moon's surface.On July 25, Pluto reaches opposition, meaning it will be directly opposite the Sun and at its closest point to Earth for the year. Although still faint (magnitude 14.4), this is the best chance to try spotting the dwarf planet—but only with a high-powered telescope. Look toward the Sagittarius constellation for your best shot.Peaking during the night of July 29–30, the Southern Delta Aquariids will offer up to 25 meteors per hour under ideal conditions. The waning crescent moon will set early, creating dark skies perfect for meteor watching. This annual shower runs from July 18 to August 12, but late July brings the best visibility.
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