The partial asteroidal occultation of Betelgeuse on Jan 2, 2012
  The asteroid (147857) 2005 UW381 will pass over the supergiant star
Betelgeuse on January 2nd 2012. The event is visible on a limited geographical
region, and the magnitude drop is only 0.01 magnitudes for a maximum duration
of 3.6 seconds. The opportunity to measure this phenomenon can be interesting
for dealing with extrasolar planetary transits.
