101–120 of 141 results

Pro-Am Collaboration

Outburst of the Eta Aquarids?

A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.

Pro-Am Collaboration

A Bright Naked-Eye Asteroid Occultation

On Tuesday evening, April 17, 2007, observers in Georgia and Florida will get a chance to watch asteroid 411 Xanthe cover the 4.2-magnitude star Iota Cancri.

Pro-Am Collaboration

Call for Observations of X-ray Binaries and CVs

From late April through mid-May 2007, professionals are seeking amateur observations of four X-ray binaries and a cataclysmic variable star.

Pro-Am Collaboration

New Manual for Occultation Observers

The International Occultation Timing Association (IOTA) announced on April 3, 2007, the release of a free e-book, Chasing the Shadow: The IOTA Occultation Observer's Manual.

Pro-Am Collaboration

New Disturbance in Jupiter's North Temperate Belt

On March 29, 2007, two new white spots appeared on Jupiter. Keep watch as they develop over the coming weeks.

Pro-Am Collaboration

New Comet in Indus

After a two-year search, on March 15, 2007, Australian amateur Terry Lovejoy found his first comet.

Pro-Am Collaboration

Update on March 18th's Occultation of a Star by Pluto

The countdown has begun for this important occultation of a 15th-magnitude star by Pluto, due to occur on Sunday morning, March 18, 2007.

Pro-Am Collaboration

Best Pluto Occultation Ever Predicted for North America on March 18th

The best occultation of a star by Pluto ever predicted for North America will occur between 10:40 and 11:00 Universal Time on Sunday morning, March 18, 2007.

Pro-Am Collaboration

Grazing Occultation of Bright Star During Tonight's Lunar Eclipse

Observers watching the eclipsed Moon with binoculars in northeastern North America on March 3, 2007, wiill see a 5th-magnitude star wink out.

M31

Celestial Objects to Observe

111 Deep Sky Wonders for Light-Polluted Skies

Bright skies aren't empty skies. See for yourself how many treasures lie hidden in the glow of a city sky.

Save Dark Skies

Good-Neighbor Outdoor Lighting (Flyer)

This flyer (which can also be printed as a PDF) tells you everything you and your neighbors need to know about how to address light pollution in your neighborhood.

Two types of antique street light fixtures

Save Dark Skies

Lighting 101

A primer on light-pollution jargon

Harsh lights in residential neighborhood

Save Dark Skies

Your Home Lighting Guide

How to light your home safely, save energy, and decrease light polluion at the same time.

Bright street light at night in winter

Save Dark Skies

Bright Lights, Big Problems

In the war against light pollution astronomers have gained important new allies -- and new insights into how we see at night.

Save Dark Skies

How I Beat Light Pollution in My Hometown

You don't have to fight city hall. To ban bad lights, make city hall your friend.

Diffraction Grating

Pro-Am Collaboration

The Revival of Amateur Spectroscopy

It has never been easier to explore the fascinating world of astronomical spectroscopy with backyard telescopes.

Pro-Am Collaboration

You May Already Have a Supernova Detector

Whether you scan the heavens with your eyes, a film camera, or a CCD chip, you've probably got what it takes to find the next galactic supernova.

Pro-Am Collaboration

A Field Guide to Supernova Spectra

With this kit, you're ready to identify stars that explode.

1998 Pro-Am Workshop

Pro-Am Collaboration

History of Pro-Am Collaboration

Despite decades of observing in relative isolation from one another, professional and amateur astronomers began to come together in the 1980s.

Pro-Am Collaboration

Reporting and Validating a Nearby Supernova

The next time a massive star explodes in the Milky Way, it will cause a mad scramble among amateur and professional astronomers.

Advertisement
Advertisement
Advertisement
Advertisement