Don’t Miss Aldebaran’s Penultimate Occultation Sunday Night

Have you taken your Aldebaran-moon pill lately? Better do it soon, the prescription is running out. The series of occultations of the bright star Aldebaran by the moon that began in 2015 will finish up next month at least for U.S. observers. Two remain in 2017: The first occurs during early evening hours Sunday night, November 5th for…
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Occultation Alert: A Dramatic Disappearance And Reappearance Of Regulus

One of the sky’s brightest stars will be blanked out by the waning crescent moon in a dramatic morning occultation this Sunday, Oct. 15. The event happens in a dark sky before and at dawn for all of the U.S. and Central America.  There are only four bright stars that are ever occulted by the…
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Sun Won’t Quit — Aurora May Return Tonight Thru Wednesday

I almost didn’t wake up in time for this morning’s occultation of Aldebaran by the last quarter moon. Let’s just say I made myself get up. Sure glad I did. Despite some fire haze, Aldebaran waited just off the moon’s edge through the telescope. The contrast of that bit of fire with the broad, daylight-tinted…
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Sunspot’s Parting Gift — A Spectacular Loop Prominence / Aldebaran Goes Bye-Bye

What a sunspot show it was. The huge group, AR 2673, visible with the naked eye, produced an X9.3 flare on September 6th, the most powerful recorded since 2005. For the next few days, it quieted down a bit and then went ballistic again. At 11:06 a.m. Central time Sunday, the region erupted with at the…
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Zuben-El-Akrab Gets Pinched By The Moon Tonight

I enjoy a good occultation. Tonight, the gibbous moon occults the star Zuben-el-akrab in Libra. You can watch it snap out of view in a small telescope during the early evening hours. The star is better known as Gamma Librae; the Arabic name translates to “claw of the scorpion,” a reference to the stars of…
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