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New nova in Sagittarius

Pro-Am Collaboration

Nova in Sagittarius: Nova Sagittarii 2012 No. 4

A nova visible in good binoculars was spotted July 7, 2012, by observers in Japan.

Pro-Am Collaboration

Possible Occultation by Pluto Tonight (June 13-14)

Both Pluto and the star are 14th magnitude, but observers with big telescopes and sufficient video capability should try to record this important event.

Comet Ikeya-Murakami

Pro-Am Collaboration

New Binocular Comet in the Morning Sky

On November 3, 2010, two amateurs in Japan discovered an 8th-magnitude comet visually. It's visible in binoculars.

Celestial News & Events

Asteroid To Hide Naked-Eye Star

For anyone in a 25-mile-wide path right across Los Angeles, a bright star in Ophiuchus will wink off for several seconds in the predawn hours of April 6, 2010.

Pro-Am Collaboration

New Comet Machholz

California's comet-hunting veteran Don Machholz bagged his 11th discovery on March 23 and 26, 2010. It's a faint diffuse comet, low in the morning sky.

Pro-Am Collaboration

Nova in Eridanus

Japanese amateur Koichi Itagaki, of recent comet fame, has just discovered a nova near Rigel on November 25, 2009.

Pro-Am Collaboration

New Circumpolar Comet Yi-SWAN

On March 26, 2009, Korean amateur Dae-am Yi caught the small, greenish glow of a new comet with his Canon camera.

Pro-Am Collaboration

Asteroid to Occult Star on Morning of Friday, Jan. 9

On the morning of Friday, Jan. 9, from 10:55 to 11:06 UT, asteroid 1963 Bezovec occults the 8.3-magnitude star HIP 64220 in a narrow path from Baja California through Texas to New England and Nova Scotia.

Pro-Am Collaboration

Rare Eclipse of EE Cephei Is Set to Begin

During January 2009 a faint star in Cepheus will fade, as it does every five or six years, when "something" goes in front of it.

Pro-Am Collaboration

Rock from Space to Burn Up over Africa

Late Monday night, October 6-7, 2008, a tiny asteroid will enter Earth's atmosphere over Sudan, creating a spectacular explosion in the night sky.

Pro-Am Collaboration

Possible Fireball Outburst Sept 9-10

An unexpected meteor burst was detected on the night of September 8-9. Bill Cooke of the Marshall Space Flight Center is urging meteor watchers to see if the activity continues on the night of September 9-10.

Pro-Am Collaboration

Comet Boattini Brightens

During May and June 2008, this visitor may be dimly visible without a telescope — but only if you live in the Southern Hemisphere.

Pro-Am Collaboration

Another Bright Nova, This Time in Sagittarius

Just magnitude 9 when discovered on April 18, 2008, this nova in Sagittarius has brightened tenfold.

Pro-Am Collaboration

Found in Cygnus: A 7th-Magnitude Nova

Two Japanese amateurs captured the new star on April 10, 2008, at a spot where their camera had recorded nothing just three days earlier.

Pro-Am Collaboration

A Triple Occultation by Eugenia and Its Moons

On March 8, 2008, this asteroid or one of its two moons could make a faint naked-eye star vanish briefly from the sky.

Pro-Am Collaboration

Possible Occultation by Varuna Sunday Night

A huge, remote asteroid could briefly blot out a faint star in Gemini on February 10-11, 2008.

Pro-Am Collaboration

Nova in Puppis

On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.

Pro-Am Collaboration

Comet Holmes Undergoes Huge Outburst

On Wednesday, October 24, 2007, this faint comet between the orbits of Mars and Jupiter suddenly became a naked-eye "star."

Pro-Am Collaboration

An Occultation by Pluto's Moon Charon?

New calculations indicate that Charon may actually occult an 8.7-magnitude star on Sept. 27, 2007.

Pro-Am Collaboration

Occultations by Possible Rings of Pluto This Week

Pluto will pass extremely close to an 8.7-magnitude star on September 27, 2007; observers should monitor the star's brightness electronically.

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