1881–1900 of 1,909 results

Celestial Objects to Observe

Mercury Transit Tales

Mostly clear skies in Europe, the Far East, and Australia meant that many amateurs were able to view this rare event.

Planets

Viewing Mercury at Its Best

Fast-moving Mercury can be elusive. But spotting this sparkling little planet is easy if you know where and when to look.

Celestial Objects to Observe

Uranus, Neptune, and Pluto in 2003

With our detailed charts, you'll be able to locate the outer planets Uranus, Neptune, and Pluto the rest of the year.

Celestial Objects to Observe

Mars Glides Between Two Nebulae

During the predawn hours of March 5th and 6th, watch as Mars glides between a close pair of nebulae — the Lagoon (M8) and the Trifid (M20).

Planets

Crescent Moon Joins Three Planets at Dawn

The waning crescent Moon helps point the way to Mars, Venus, and Mercury before sunrise on Monday through Wednesday mornings.

Variable Stars

A Star Prepares to Blow Its Top

Easily found with the naked eye, 4th-magnitude Rho Cassiopeiae may be getting ready for an enormous mass ejection in the next few months.

Celestial Objects to Observe

Saturn Transits the Crab

During the night of January 4–5, North American observers are well positioned to watch Saturn transit the face of M1, the Crab Nebula. But will the glare from the planet obscure the nebula?

Paths of Ceres and Melpomene

Celestial Objects to Observe

Ceres and Melpomene in Binoculars

With paths that crisscross in Cetus, the Whale, these two asteroids make fine observing targets for the rest of 2002.

Asteroid 2002 NY40

Asteroids

Asteroid Flyby Seen Worldwide

Last weekend's close encounter between Earth and asteroid 2002 NY40 was seen by amateur astronomers worldwide.

Path of 2002 NY40

Celestial Objects to Observe

How to Watch Saturday's Asteroid Flyby

For help in locating asteroid 2002 NY40 on August 17–18, Sky & Telescope has prepared four (PDF) finder charts (see page 2).S&T: Roger Sinnott and Gregg Dinderman. On Saturday night, August 17–18, a recently discovered asteroid will pass close enough to Earth to be easily spotted in small telescopes or…

Roy Tucker

Asteroids

Asteroid Hunters Receive Grants

Five amateur astronomers specializing in the observation and early detection of Earth-crossing asteroids and comets were each awarded Shoemaker Near-Earth Object Grants from the Planetary Society.

Path of 2002 NY40

Asteroids

A Close Encounter with an Asteroid

Over four weeks, the brightness of asteroid 2002 NY40 will brighten by more than 3,000 times. It will peak at magnitude 9.3 (bright enough to be seen through a small telescope or large binoculars) as it drifts rapidly through the northern Milky Way on the night of August 17–18. This…

Mare Australis

Celestial Objects to Observe

Australe: A Mare on the Edge

This mare is a challenging sight; view it July 16th to 19th and August 12th to 15th.

Planets

Moon Pairs with Jupiter and Venus

The crescent Moon forms two beautiful conjunctions with the two brightest planets during twilight Wednesday and Thursday.

Celestial Objects to Observe

All Eyes on Pluto

July's encounters with two 12th-magnitude stars could rewrite the textbooks on the Pluto-Charon system.

Planets

Dance of the Planets Concludes

The grand and beautiful planetary lineup is drawing to a close as Venus approaches Jupiter in the western sky at dusk.

Occultations

A Saturn Occultation for Europeans

On the evening of the 16th, skywatchers across northern Europe will see the Moon occult Saturn. The occultation takes place at midday in northwestern North America.

Celestial Objects to Observe

Asteroid Occultations in April 2002

North American observers can see a 7th- and a 10th-magnitude star occulted by asteroids this month. Here's when and where to look.

Variable Stars

Chi Cygni to Brighten in Early March

The long-period variable Chi Cygni peaks in March. Here's where to find it and what to expect.

Celestial Objects to Observe

Local Times for the Occultation of Saturn

For more than 300 cities throughout North America, the following table tells when the planet Saturn will be covered by the Moon. This event takes place in the afternoon or evening hours of Wednesday, February 20th. Cities are grouped by state or province. First click on the abbreviation of your…

Advertisement
Advertisement
Advertisement
Advertisement