Antares occultation by crescent Moon.

Posted by Elias C
on Thursday, October 22, 2009

by Elias Chasiotis

 

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Lunar occultations are always a breathtaking sight. On October 21, 2009,  we had an occultation of Antares by a 3.5 day old crescent moon, low in the SW horizon after sunset.
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Disappearance was from the dark limb and took place in bright twilight, not visible to the naked eye. Reappearance was just at the edge of the bright limb, also difficult for the naked eye because of the brightness of the cusp of the crescent. Through binoculars and telescopes both phases looked fantastic and it was a great chance for astrophotography. On the right image Antares is the brightest of the three bright spots on the lower limb (the one to the right). October 21, 2009. Skywatcher ED 80 refractor, Canon EOS 450D.
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