The Half-Astrophysicist Blog

Daytime Occultation of Antares

Just noticed that we get daytime occultation of Antares by the Moon on Thursday, August 27th.  It starts at about 4:30pm EDT (1:30pm PDT or MST where I am).  Antares is bright enough you can probably see it during the day with a telescope.  Simply point your telescope at the Moon at little before 4:30pm EDT an look off the Moon’s eastern limb.  You should see the bright star Antares.  It will disappear behind the Moon and reappear about an hour later (looks like about 2:35pm PST in Tucson).  You can find time tables for a variety of cities here.

Unfortunately it looks like the disappearance is not visible from Tucson as the Moon rises just a few minutes too late.  It is tougher to watch the reappearance because you have to look at exactly the right moment (with the disappearance, you can watch the approach so you can see it coming so to speak).  Still, I am not totally deterred.  I have a student who has been doing some imaging work and might look at his class schedule and send him out to set up the telescope with a webcam to see if we can catch!


August 27, 2009 - Posted by | Astronomy, Observing

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