Saturday night (June 6th) the Moon will occult the bright star Antares.
Antares is a first magnitude star and the brightest in the constellation Scorpius. As the moon travels in its orbit, it will first cover the star and then a short time later it will uncover it. Although the event will take place low in the south-southeast (15 degrees above the horizon at the start of the occultation) it will be visible to all.
The moon will be full, and easy to find. Antares is occulted at about 10:40pm, so a little before that look for a bright star to the upper left of the moon. Binoculars or a telescope will certainly enhance the view. When the occultation occurs, Antares will instantly disappear behind the limb of the moon. At approximately 11:18pm it will reappear to the upper right of the moon. Again, it will be a sudden event.
Occultations can be lots of fun and very exciting. The times given here are approximate (since times are location dependant), so be sure to keep a close eye on Antares as the moon approaches. You can time the occultation accurately for your location if you have a shortwave radio capable of picking up CHU time signals ( http://inms-ienm.nrc-cnrc.gc.ca/time_services/shortwave_broadcasts_e.html ). Keep an ear on the radio while you keep an eye on the star. A telescope will give you the best view, but binoculars will provide a very aesthetically pleasing view. Antares is bright enough that you should even be able to see it with the unaided eye.
Have fun, and feel free to share your observing experiences here on the blog, or by contacting observing@amateurastronomy.org.
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