MM#003 Major Flare Watch

Max Millennium Chief Observer mmchiefobserver at gmail.com
Mon May 20 12:45:09 MDT 2013


Dear RHESSI Collaborators,

Solar activity is at a medium level. The new region that released the
M-class
event (an M1.8 flare on 20-May-2013 at 05:25) over the east limb, noted in
the
last message, has not produced further significant activity. The current
target
(NOAA 11748) has undergone new intermediate spot emergence, resulting in a
more multipolar configuration. Also, the leading delta spot now appears
more
compact and sheared. Although there is no bright H-alpha plage surrounding
the
delta spot, the region has produced some high C-class activity; including
the
largest flare since the previous message (a C9.6 on 20-May-2013 at 15:06).
Due
to the new dynamics and activity within NOAA 11748, the Major Flare Watch
will
continue for at least the following 24 hours.

The position of NOAA 11748 on 20-May-2013 at 18:45 UT is:

N12W10, ( 167", 230" )

See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.

Regards,

Paul A. Higgins (Trinity College Dublin / LMSAL)
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