By watching a star’s disappearance, astronomers learned about the state of the ultrathin atmosphere of Triton, Neptune's largest moon.
Here’s an opportunity for amateurs to help improve our understanding of Neptune’s moon Triton.
On the night of March 4th, all you'll need are your eyes to watch the Moon occult Aldebaran. Better yet, place yourself on the graze line.
Occultations of stars and planets by the Moon and asteroids are exciting to watch, and amateur occultation timings can have real scientific value. But first you need to know what occultations will be happening in your area.
Many households now possess a camcorder. Many amateur astronomers may be unaware that these devices are sensitive enough to record occultation events.
Lunar and planetary occultations may be appreciated for their intrinsic beauty, but in order to contribute scientifically valid data you need to apply certain techniques.
The best asteroid occultation ever predicted for the American Northeast happens before dawn on May 5, 2006.
No matter where you live in the world, you can see the Moon hide stars and planets in its path. Here's when and where you can watch dozens of these events this year.
Mobile observers with video cameras, capable of filling gaps between those at fixed sites, are especially needed to observe asteroid occultations.
No matter where in the world you live, you can see the Moon hide stars and planets in its path. Here's when and where you can see dozens of lunar occultations this year.
You've got plenty of chances to see an asteroid or planet pass in front of a star this year and here's when and where to see them.
No matter where you live, there are plenty of chances to see an asteroid pass in front of a star this year.
Dozens of times this year, no matter where you live, the Moon can be seen hiding bright stars in its path. Here's when and where you can watch the Moon occult these stars.
Five dozen of these spellbinding events, impossible to predict well until recently, are listed for observers worldwide.
Some stars that the Moon covers are so bright, you don’t even need a telescope. Here are some occultation highlights for 2002.