:Issued: 2023 Nov 21 1022 UTC
:Product: documentation at http://www.sidc.be/products/presto
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# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
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The partial halo automated cactus alert (CME on 2023-11-20 14:24UT) was comprised by
two CMEs seen in Lasco C2 on  2023-11-20 14:24UT and  2023-11-20 15:12UT. The first
was most likely associated with activity in the newly emerged region NOAA 3492 and
the second from the backside of the Sun, so they are not expected to affect the
Earth.
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