Occultation Chasers Nab the Shadow of Didymos, Post DART Impact

A worldwide team of dedicated observers ‘stood in the shadow’ of asteroid Didymos recently, as it passed in front of a distant star. Amateur astronomers continue to provide key scientific observations, even in the modern era. This was highlighted recently, when a team of dedicated observers caught a series of occultation of a distant stars …

A Spectacular Grazing Occultation for Aldebaran at Dawn

An unusual celestial spectacle unfolds for observers around the Great Lakes region next Tuesday at dawn. The Moon has been faithfully occulting (passing in front of) the bright star Aldebaran for every lunation now since January 29th, 2015. This split second events have touched on nearly every farflung corner of the Earth. Now the United States and Canada get to see the penultimate event, as the waning crescent Moon occults Aldebaran one last time for North America.

Weekly Space Hangout – February 10, 2017: Weekend Eclipse, Occultation and Comet 45P!

Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg) Dave Dickinson (www.astroguyz.com / @astroguyz) Their stories this week: Comet 45P Flies Past Earth A new “kind” of black hole A Penumbral Lunar Eclipse The Moon Occults Regulus Mars didn’t have enough CO2 to sustain liquid water ISS is …

This Week: Occultations of Aldebaran, Regulus vs. the Supermoon

It’s a busy week for the Moon. While our large solitary natural satellite reaches Full and interferes with the 2016 Geminids, it’s also beginning a series of complex bright star occultations of Aldebaran and Regulus, giving us a taste of things to come in 2017. First up, here’s the lowdown on this week’s occultation of …

Tales of Two Asteroid Occultations: Io, Nemausa Cast Shadows Over North America

Up for a challenge? Over the next two weekends, two asteroid occultations pass over North America. These are both occulting (passing in front of) +7th magnitude stars, easy targets for even binoculars or a small telescope. These events both have a probability score of 99-100%, meaning the paths are known to a high degree of accuracy. These are also two of the more high profile asteroid occultations for 2016.