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vk3pa
Deceased
Australia
1714 Posts |
 Posted - 08 Mar 2006 : 06:32:53 AM
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COMMENT: There is still no flaring activity. Yesterday evening, the B-z
component of the IMF made a strong negative excursion leading to a Kp of
4 for 6 hours early March 07. The source of this disturbance is unclear
but can be possibly linked to a small (not recurrent) northern coronal
hole according to solar models. ACE-data have a coronal hole profile.
Late March 09, it is possible at we will be under the influence of a
recurrent coronal hole which today passes the central meridian. We don't
have information about the extent of the coronal hole because of the EIT
bakeout. SOHO/MDI and solar models gives evidence that the hole is still
situated mainly in the northern hemisphere. of the sun
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B-z made a strong negative excursion leading to a
