SUNSET: 
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.
New Chance To Confirm Asteroid Lucina's Moon
Late Wednesday night, September 19–20, 2007, observers across much of North America should watch for a possible occultation by asteroid 146 Lucina's satellite.
A Root of Amateur Astronomy Unearthed
Russell W. Porter, the founder of amateur telescope making in America, was still virtually unknown when he built a 16-inch reflector for his home on the Maine coast.
Morning and Evening Crescent Moons
On Thursday and Friday, June 14 and 15, North American skywatchers have a rare chance to catch sight of "opposing crescent" Moons.
Buzz About the "Blue Moon"
About seven times each 19 years, we have two full Moons in a month — and it's happening again now. Not so long ago, nobody would've called the second of these Moons "blue."
Occultations by Possible Rings of Pluto
Photometric recordings of Pluto passing near stars, as on the night of May 11-12, 2007, could reveal if it has a ring system.
Occultations by Triton and Patientia
Skywatchers in North America can make valuable timings of these events on May 6, 2007.
Outburst of the Eta Aquarids?
A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.
Spring's Comet Lovejoy
During the next few weeks, early risers in the Northern Hemisphere can follow recently-discovered Comet Lovejoy as it makes its way northward past some familiar telescopic sights.
Earth's "Other Moon"
Last year Earth's gravity apparently captured a tiny asteroid that ventured too near our planet. But this "second Moon" will only hang around until June, when it'll get shoved back out into interplanetary space.
Porter Garden Telescope Changes Hands
At the Boston auction house of Skinner, Inc., one of the most coveted of telescope collectibles recently went on the block. Barely more than a dozen of these elegant bronze garden ornaments from the 1920s are known to exist today.
New Comet in Indus
After a two-year search, on March 15, 2007, Australian amateur Terry Lovejoy found his first comet.
January's Surprise Comet
A major comet, known as Comet McNaught or C/2006 P1, is right now making its way through the inner solar system. It’s already as bright as the brightest stars, but it is also sticking close to the glare of the Sun.
Sky Highlights of 2007
As in any year, the starry heavens unroll with the seasons, and our solar system provides ever-changing sights much closer to home. Here's a taste of special events to watch for in 2007.
The Moon Crosses the Pleiades Tonight
Late Monday evening, small-telescope owners throughout North America can see the bright Moon pass directly in front of the Pleiades star cluster.
Pluto Gets an Asteroid Number
Without fanfare, the September 7th batch of circulars from the Minor Planet Center assigns number 134340 to Pluto.
Chi Cygni: A Wide-Ranging Variable
This red long-period variable is sometimes visible to the unaided eye — and sometimes invisible even in a 4-inch telescope.
Boston’s Classy Telescope Auction
The Skinner auction in Boston featured a stunning array of “brass and glass.” Many of the astronomical items came from the collection of Don Yeier (Vernonscope & Co.), himself the organizer of 12 previous auctions of astronomical instruments since 1974.
April's Lyrid Meteor Shower
Traditionally the Lyrids are a poor shower — rarely do they surprise observers.
Finding Uranus and Neptune in 2006
Binoculars and our charts are all you need to spot these twin outer planets.