Saturday, April 25, 2009

Solar Observing

As a long time Solar observer, I'm frequently asked what is there to see on the surface of the Sun. posted this link today.
UNEXPECTED SOLAR ACTIVITY: The sun produced an unexpected burst of activity on April 23rd when an enormous prominence rose over the northeastern limb and erupted. A coronal mass ejection (CME) billowed away from the blast site, but the billion-ton cloud is not heading toward Earth. Visit for movies of the event.

CAUTION. NEVER LOOK AT THE SUN WITH THE NAKED EYE! I use a Coronado Hydrogen Alpha filtered telescope to observe the Sun's chromosphere and no, darn it - I was not observing when this CME exploded.

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