Incoming: Meteors and a CME

Subject: Incoming: Meteors and a CME

Space Weather News for April 20, 2015

High-latitude sky watchers should be alert for auroras this week when a solar wind stream and a faint CME are expected to hit Earth's magnetic field in quick succession.  NOAA forecasters estimate a 45% to 65% chance of polar geomagnetic storms on April 21-22.

At the same time, Earth will be passing through a stream of debris from Comet Thatcher, source of the annual Lyrid meteor shower.  Sky watchers are already seeing a smattering of late-night fireballs as Earth approaches the diffuse core of the debris stream.  Meteor rates are expected to crest on April 22-23 with as many as 20 Lyrids per hour.

Visit http://spaceweather.com for updates and observing tips.

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