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Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 199 Issued at 2200Z on 18 Jul 2010
Analysis of Solar Active Regions and Activity from 17/2100Z to 18/2100Z: Solar activity was very low. Region 1087 (N24W48) has a simple alpha magnetic classification. A further analysis of the SOHO/LASCO imagery from yesterday show a CME was observed on C3 imagery which can be correlated with the C2 x-ray flare at 17/1801Z. This event does not seem to be Earth directed.
Solar Activity Forecast: Solar activity is expected to be very low with a slight chance for a C-class flare from Region 1087.
Geophysical Activity Summary 17/2100Z to 18/2100Z: The geomagnetic field was quiet.
Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels for the next three days (19-21 July).
Originally posted by Phage
reply to post by jazz10
spaceweather.com is a good resource but they sometimes get it wrong. The STEREO B image shows the whole sunspot, why say "It might be a big one"? We can see the whole thing.