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The Sky Today on Sunday, October 4: Saturn reaches opposition

Looking for a sky event this week? Check out our full Sky This Week column.  October 3: Dione transits Saturn We’re back at Saturn this evening with the planet as the main attraction as the ringed world reaches opposition today at 8 A.M. EDT. Rising around sunset and setting around sunrise, it is visible all night inContinue reading "The Sky Today on Sunday, October 4: Saturn reaches opposition"

The post The Sky Today on Sunday, October 4: Saturn reaches opposition appeared first on Astronomy Magazine.

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The Sky Today on Saturday, October 3: Dione transits Saturn

Looking for a sky event this week? Check out our full Sky This Week column.  October 2: Venus stands still The small moon Dione transits Saturn starting just before midnight EDT. Tenth-magnitude Dione crosses the far northern region of the planet, beginning its journey just minutes after 11:40 P.M. EDT and taking about an hour and aContinue reading "The Sky Today on Saturday, October 3: Dione transits Saturn"

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How can I reduce my personal contribution to light pollution?

What type of lighting emits the least amount of light pollution? Peter BladoTacoma, Washington First, use a good lighting fixture, one that is a “full cutoff.” That means there is no direct upgoing light at all. It generally also means there is very little light just below the horizontal, which is the kind of lightContinue reading "How can I reduce my personal contribution to light pollution?"

The post How can I reduce my personal contribution to light pollution? appeared first on Astronomy Magazine.

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The Sky Today on Friday, October 2: Venus stands still

Looking for a sky event this week? Check out our full Sky This Week column.  October 1: Perseus’ Double Cluster The brilliant planet Venus stands stationary against the background stars of Virgo at 10 A.M. EDT.  Together with Mercury, Venus is visible for a short time in the western sky after sunset, but you’ll want a clearContinue reading "The Sky Today on Friday, October 2: Venus stands still"

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The Sky Today on Thursday, September 17: The Moon and the Scorpion

Looking for a sky event this week? Check out our full Sky This Week column.  September 16: Triangle in the sky The Moon passes 0.6° south of the bright star Antares at 9 A.M. EDT. By evening, our satellite sits near the border of Scorpius and Ophiuchus, some 6° east (to the upper left) of Antares. TheyContinue reading "The Sky Today on Thursday, September 17: The Moon and the Scorpion"

The post The Sky Today on Thursday, September 17: The Moon and the Scorpion appeared first on Astronomy Magazine.

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Autumn observing targets for large telescopes

Today I’ll be telling you about 10 of my favorite autumn deep-sky objects, with suggestions for viewing them. I hope you’ll enjoy this list, and I’ll share some other deep-sky favorites of mine from time to time in the future. What’s a large telescope? The notion of what’s big changes from observer to observer, butContinue reading "Autumn observing targets for large telescopes"

The post Autumn observing targets for large telescopes appeared first on Astronomy Magazine.

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The Sky Today on Wednesday, September 16: Triangle in the sky

Looking for a sky event this week? Check out our full Sky This Week column.  September 15: View the false dawn Rising around sunset and highest in the early-morning hours before sunrise is the constellation Triangulum. This tiny triangular star pattern is perfect for evening or morning observers: Around 10 P.M. local daylight time, it’s high enoughContinue reading "The Sky Today on Wednesday, September 16: Triangle in the sky"

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The Sky Today on Tuesday, September 15: View the false dawn

Looking for a sky event this week? Check out our full Sky This Week column.  September 14: Connect four The time around the equinox is one of the best opportunities to catch sight of the ethereal zodiacal light, the soft glow generated by dust that orbits the Sun along the plane of the solar system, the ecliptic.Continue reading "The Sky Today on Tuesday, September 15: View the false dawn"

The post The Sky Today on Tuesday, September 15: View the false dawn appeared first on Astronomy Magazine.

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The Sky Today on Friday, September 11: Visit the Deer Lick Group

Looking for a sky event this week? Check out our full Sky This Week column.  September 10: Uranus is stationary With dark, moonless skies tonight, let’s go galaxy hunting. By 9 P.M. local daylight time, Pegasus is already high in the east, the Great Square easily giving away its location. The northern part of this constellation holdsContinue reading "The Sky Today on Friday, September 11: Visit the Deer Lick Group"

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The Sky This Week from September 11 to 18: Catch the zodiacal light

Friday, September 11Already high in the north after sunset, the planetary nebula NGC 6543 in Draco is famously called the Cat’s Eye Nebula. It’s best seen with a large telescope, but even a small scope will pick it up and show it off in tonight’s moonless sky.  Two hours after sunset, you’ll find the Cat’sContinue reading "The Sky This Week from September 11 to 18: Catch the zodiacal light"

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The Sky Today on Thursday, September 10: Uranus is stationary

Looking for a sky event this week? Check out our full Sky This Week column.  September 9: Visualize the ecliptic Uranus reaches a stationary point at 2 P.M. EDT, coming to a halt amid the stars of Taurus the Bull. Rising around 10:40 P.M. local daylight time, the best time to view the ice giant is inContinue reading "The Sky Today on Thursday, September 10: Uranus is stationary"

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The Sky Today on Wednesday, September 9: Visualize the ecliptic

Looking for a sky event this week? Check out our full Sky This Week column.  September 8: The Moon joins Jupiter The waning Moon has moved from Cancer to Leo and is nearing the bright star Regulus, which marks the Lion’s heart. Our satellite will pass 0.6° south of Regulus at 4 P.M. EDT this afternoon.  AnContinue reading "The Sky Today on Wednesday, September 9: Visualize the ecliptic"

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The Sky Today on Tuesday, September 8: The Moon joins Jupiter

Looking for a sky event this week? Check out our full Sky This Week column.  September 7: Venus and Spica, side by side The Moon has now skimmed through the morning sky over to Cancer, where it checks in on Jupiter — and you can check in on them both before dawn.  The Moon rises around 3:30Continue reading "The Sky Today on Tuesday, September 8: The Moon joins Jupiter"

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The Sky Today on Monday, September 7: Venus and Spica, side by side

Looking for a sky event this week? Check out our full Sky This Week column.  September 6: The Moon and Mars in Gemini Venus has pulled away from the bright star Spica in Virgo, which it met in the sky last week, and tonight stands side by side with the star as they set together following sunset.Continue reading "The Sky Today on Monday, September 7: Venus and Spica, side by side"

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The Sky Today on Tuesday, August 18: Stars and sparklers

Looking for a sky event this week? Check out our full Sky This Week column.  August 17: Mars at Gemini’s feet Wait until after about 10 P.M. tonight to begin your deep-sky observing and the Moon won’t be a bother. An excellent target is NGC 6939, an open cluster in Cepheus the King. This cluster is quiteContinue reading "The Sky Today on Tuesday, August 18: Stars and sparklers"

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The Sky Today on Monday, August 17: Mars at Gemini’s feet

Looking for a sky event this week? Check out our full Sky This Week column.  August 16: The Moon hangs with Venus Mars has been making its way eastward through the constellation Gemini, pulling away from open cluster M35 and approaching the two bright stars Eta (η) and Mu (μ) Geminorum. Eta shines at magnitude 3.3 and MuContinue reading "The Sky Today on Monday, August 17: Mars at Gemini’s feet"

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The Sky Today on Tuesday, August 11: Venus, half-lit 

Looking for a sky event this week? Check out our full Sky This Week column.  August 10: Open cluster NGC 7243 In the evening sky, Venus is reaching dichotomy, the moment when it is exactly half-lit. You’ll find magnitude –4.4 Venus some 20° high in the west as the Sun sets. It’s so bright, it will beContinue reading "The Sky Today on Tuesday, August 11: Venus, half-lit "

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