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AAVSO Newsletters
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195 Å Sun |
We take the stability of the sun for granted. As this UV image shows, the sun is indeed variable. The AAVSO collects data on sunspots and Sudden Ionospheric Disturbances (SIDs) caused by solar flares. This data is reported
monthly to NOAA.
More information on the solar division can be found here.
Image taken by SOHO/EIT team
| The AAVSO Newsletter is published irregularly and is mailed to all members.
It contains information and updates as to the activities of the Association and its members.
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