METEORS FROM HALLEY'S COMET: Earth has entered a stream of debris from Halley's Comet, source of the annual Orionid meteor shower. Forecasters expect the shower to peak during the night of Oct. 20-21 with as many as 10-20 meteors per hour. Glare from tonight's gibbous Moon will mute the display, but not completely eliminate it as NASA cameras are observing some Orionid fireballs bright enough to be seen in the moonlight. Visit Spaceweather.com for observing tips and more information.
This sky map shows the location of the Orionid radiant near the shoulder of the constellation Orion. Unfortunately the gibbous Moon is there, too. Lunar glare will wipe out all but the brightest Orionids this year.
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