1821–1840 of 2,476 results
Comet Garradd and M71

Observing

Trusty Comet Garradd

Comet C/2009 P1 Garradd is shining at 7th or maybe even 6th magnitude as it traverses southeastern Hercules.

Sky Tour Astronomy Podcast

S&T's Audio Sky Tour for September 2011

This is a month of transition: Summer is making way for autumn, Saturn sets just before Jupiter rises, and Venus is moving from the morning sky before dawn to the evening sky.

iPod

Sky Tour Astronomy Podcast

Tour September's Sky! | August 31st, 2011

This is a month of transition: Northern summer becomes autumn, Saturn sets just before Jupiter rises, and Venus is moving from the morning sky before dawn to the evening sky.

Vic

This Week's Sky At a Glance

Sky at a Glance | August 26th, 2011

Jupiter rises earlier and higher week by week. The crescent Moon returns low in twilight and occults a 2nd-magnitude star. And there's the new supernova in M101....

Vic

This Week's Sky At a Glance

Sky at a Glance | August 19th, 2011

This week's moonless evenings offer deep-sky opportunities. Vesta is coming into earlier view. Jupiter still blazes high in the wee hours, but a half hour earlier each week.

Vic

This Week's Sky At a Glance

Sky at a Glance | August 12th, 2011

Jupiter blazes high in the wee hours. Vesta is coming into earlier evening view. And watch Saturn an Spica sink from sight after sunset.

Observing

Beyond the Familiar Veil

We have received many compliments on Alan Whitman's article "Beyond the Familiar Veil" in the September 2011 issue of Sky & Telescope. However, we made an error by using red to mark the areas of the Veil that Whitman observed, making the article unusable by red flashlight at night. Here's a black-and-white replacement.

Vic

This Week's Sky At a Glance

Sky at a Glance | August 5th, 2011

The Moon lines up with Saturn and Spica at dusk, then waxes across the evening sky for the rest of the week. Jupiter blazes high in the wee hours. And the bright asteroid Vesta — accompanied by NASA's DAWN spacecraft! — awaits viewing just past opposition.

Observing

Great Sun This Week

This week the Sun is putting on its best show in nearly a decade.

Pro-Am Collaboration

Amateur Search for White-Dwarf Planets

Arizona amateur Bruce Gary is assembling a pro-am team to look for planets orbiting dead stars.

Sky Tour Astronomy Podcast

S&T's Audio Sky Tour for August 2011

This is your last chance to spot Saturn before it sinks into the evening twilight. But there are many other celestial attractions to look for on August evenings.

Sky Tour Astronomy Podcast

Tour August's Sky! | July 29th, 2011

This is your last chance to spot Saturn before it sinks into the evening twilight. But there are many other celestial attractions to look for on August evenings.

Vic

This Week's Sky At a Glance

Sky at a Glance | July 29th, 2011

Saturn and Spica sink to the sunset. Jupiter blazes high before dawn. And the bright asteroid Vesta — accompanied by NASA's DAWN spacecraft! — comes to opposition.

Vic

This Week's Sky At a Glance

Sky at a Glance | July 22nd, 2011

Saturn is sinking at dusk, Jupiter is climbing ever higher in the early morning, and the bright asteroid Vesta — accompanied by NASA's DAWN spacecraft! — is nearing opposition.

This Week's Sky At a Glance

Sky at a Glance | July 15th, 2011

Saturn is lowering in the southwest these evenings, while Jupiter is climbing ever higher before dawn. And Vesta in the middle of the night has reached 6th magnitude.

Animation of Neptune rotating on its axis

Observing

Neptune in Motion

Sky and Telescope's editor Sean Walker puts together NASA's anniversary images of Neptune to create a movie that shows a day on the blue planet.

Vic

This Week's Sky At a Glance

Sky at a Glance | July 8th, 2011

Mercury hangs low in twilight, the waxing Moon crosses the evening sky, and Saturn and Porrima keep pulling apart.

Vic

This Week's Sky At a Glance

Sky at a Glance | July 1st, 2011

Mercury is back at dusk, and so is the crescent Moon. Saturn and Porrima are pulling apart. And bright Jupiter climbs higher in the dawn.

Sky Tour Astronomy Podcast

S&T's Audio Sky Tour for July 2011

Look low in the west at sunset to spy fleet Mercury, toward southwest for Saturn, and in the south for red-hued Antares, the "rival of Mars."

iPod

Sky Tour Astronomy Podcast

Tour July's Sky! | June 30th, 2011

Look low in the west at sunset to spy fleet Mercury, toward southwest for Saturn, and in the south for red-hued Antares, the "rival of Mars."