2001–2020 of 2,062 results

Celestial Objects to Observe

An 11th-Magnitude Supernova

An unusually bright supernova has gone off in NGC 2403, an 8.5-magnitude galaxy in the constellation Camelopardalis, the Giraffe.


Catch the End of the Perseids

It's not too late to catch the tapering-down of the Perseid meteor shower during the nights after its peak.

black drop

Where Was the Black Drop?

Reports around the world vary dramatically as to the reality of a black-drop effect during the Venus transit.

Celestial News & Events

Five Planets In a Twilight Sky

Until early April, all five planets that are ever visible to the unaided eye shine at once during dusk.

Celestial Objects to Observe

Saturn Covers a Star

Late Friday night, November 14–15, Saturn and its ring system glide right in front of an 8.4-magnitude star in Gemini.


The Transit of Venus: Where to See It

For the first time since 1882, Venus will glide across the face of the Sun. Here's where you'll be able to watch this rare event on June 8, 2004.

Transit of Venus

Celestial Objects to Observe

Reanimating the 1882 Transit of Venus

Travel 130 years back in time to watch Venus transit the Sun in 1882, thanks to the discovery of 147 forgotten photographs taken by David Peck Todd from Mount Hamilton in California.

Celestial Objects to Observe

The Transit of Venus: Tales from the 18th and 19th Centuries

Observers and administrators gather at the US Naval Observatory in Washington, DC, in preparation for the American expeditions to the 1874 transit of Venus.Courtesy US Naval Observatory Library. A magnificent rendezvous between the planet of love and the bright orb of the Sun. One of the most celebrated phenomena in…


Venus at Its Best

Venus is readily visible in the evening sky until late May during this most favorable apparition of its eight-year cycle.

Celestial News & Events

One Planet, Two Moons, Three Shadows

This coming weekend, weather permitting, almost anyone with a telescope in North America (and northwestern South America) can see the shadows of three Jovian moons at once.

Celestial News & Events

One Planet, One Moon, and Three Shadows

Clouds and poor seeing plagued much of North America on the night of March 27–28, 2004, but some observers still managed to see the remarkable triple shadow transit on Jupiter.


How Yuji Hyakutake Found His Comet

Ever wonder how somebody actually finds a comet, and what happens when he does? Here's one astronomer's story.

Celestial News & Events

A Disturbance In Jupiter's Clouds

A new, 40°-long, diffuse blue feature is currently visible at the interface between Jupiter's South Equatorial Belt and the Equatorial Zone.

Solar System

Storm Watch on Mars

If events of the past 30 years are an indication, there's a good chance that the Martian landscape may soon be cloaked by a major dust storm.

Celestial Objects to Observe

Asteroid Occultation in November

North Carolina skywatchers have a chance to see the asteroid 72 Feronia pass in front of an 8th-magnitude star around 2 a.m. Eastern Standard Time on November 5th.


Saturn Hides Another Star

On Tuesday November 25th, Saturn and its ring system glide in front of an 8.3-magnitude star in Gemini, the second time Saturn has occulted a star in 10 days.

Celestial Objects to Observe

Planetary Occultations for 2003

No matter where you live, there are plenty of chances to see an asteroid pass in front of a star this year.

Celestial Objects to Observe

Five Asteroids Meet

There’s a rare imaging challenge in Leo this month for amateurs with CCD-equipped telescopes.

Celestial Objects to Observe

Asteroid Aurora Occults a Star

On the night of September 24–25, minor planet 94 Aurora will pass directly in front of the 5th-magnitude star Chi Geminorum, blocking its light for up to 7 seconds.

Celestial News & Events

Moon Occults Mars

During the predawn hours of Thursday, July 17th, the waning gibbous Moon will cover Mars for skywatchers in southeastern Florida, the Caribbean, and parts of Central and South America.