Dear RHESSI Collaborators,
Solar activity continues at low levels. NOAA 12209 has remained
quiescent since the M5.7 flare on 16-Nov-2014 and has begun to show
signs of decay. We are therefore ending the Major Flare Watch at this
time. An unnumbered region on the southeast limb was the source of a
C7.6 flare at 06:31 UT today and shall be the new target region. Its
magnetic configuration is unknown at this time but additional
mid-level events may be possible.
The approximate position of the target region on 20-Nov-2014 at 12:35 UT is:
S13E78, ( -925", -226" )
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,
Ryan Milligan (QUB)
Dear RHESSI Collaborators,
Solar activity has continued at the low C-level since the last
message. NOAA 12209 remains unchanged as it passes the central
meridian. Its large beta-gamma-delta configuration still has the
potential for producing an M5 flare or greater over the next 24-48
hours. Major Flare Watch shall remain in effect.
The position of NOAA 12209 on 19-Nov-2014 at 10:04 UT is:
S13E01, ( -16", -258" )
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,
Ryan Milligan (QUB)
Dear RHESSI Collaborators,
Solar activity has returned to quiescent levels over the past 24
hours. The target region NOAA 12209 maintains its beta-gamma-delta
configuration and appears to show signs of flux emergence along its
polarity inversion line. The potential still exists for an isolated M5
flare or greater. Major Flare Watch shall remain in effect.
The position of NOAA 12209 on 18-Nov-2014 at 10:04 UT is:
S13E12, ( -197", -259" )
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,
Ryan Milligan (QUB)
Dear RHESSI Collaborators,
NOAA 12209 was the source of an M5.7 flare at 17:35 UT yesterday. The
region retains its beta-gamma-delta/F-type configuration and a sunspot
area of almost 1000 uH. Chance for additional >M5 flares over the next
24-48 hours, therefore Major Flare Watch shall remain in effect.
The position of NOAA 12209 on 17-Nov-2014 at 10:04 UT is:
S14E25, ( -399", -274" )
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,
Ryan Milligan (QUB)
Dear RHESSI Collaborators,
Solar activity is at a low-to-moderate level. NOAA region 12209
has maintained a beta-gamma-delta/Fkc sunspot group designation
over the last 24 hours and has produced 5 C-class flares since
yesterday's message, the largest being a C3.9 on 16-Nov-2014 at
07:36 UT. 12209 still retains the potential for flaring above
the M5 level, so the MM#003 Major Flare Watch will continue for
at least the next 24 hours.
The position of NOAA 12209 on 16-Nov-2014 at 16:30 UT is:
S15E36, ( -552", -287" )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
The level of solar activity is moderate. NOAA 12209 displays a
more complex magnetic configuration than before after rotating
further onto the solar disk. The more fragmented trailing spot
now appears to harbor a delta spot, meaning that NOAA 12209 has
a beta-gamma-delta/Fkc sunspot group classification. NOAA 12209
also produced two M-class events since yesterday's message (an
M3.2 flare on 15-Nov-2014 at 11:40 UT as well as an M3.7 flare
on 15-Nov-2014 at 20:38 UT). This increase in M-class activity
is the reason that the current MM#003 Major Flare Watch remains
active for the next 24 to 48 hours.
The position of NOAA 12209 on 15-Nov-2014 at 23:30 UT is:
S15E43, ( -642", -285" )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
Solar activity is at a low level. NOAA 12209 has now fully rotated
onto the visible disk. The enormous trailing negative polarity spot
that this region had displayed as NOAA 12912 on the previous disk
passage appears to have split into two trailing spot clusters and
drifted apart. This region has a beta magnetic class, but clearly
has the largest spot area of the regions on disk. NOAA 12209 also
produced the largest event since the last message, a C5.4 flare on
14-Nov-2014 at 07:42 UT. The MM#003 Major Flare Watch will remain
active for the following 24 hours while the dynamics and evolution
of NOAA 12209 become more clear.
The position of NOAA 12209 on 14-Nov-2014 at 23:00 UT is:
S15E49, ( -713", -282" )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
The level of solar activity is low. The region that was previously
numbered NOAA 12192 has been designated as 12209 after rotating two
leading polarity spots over the South East limb. The complexity of
this region is not possible to determine at this time, because the
trailing portion is only beginning to rotate into view. NOAA 12209
produced the largest event since yesterday's message - an occulted
C8.6 flare on 13-Nov-2014 at 06:54 UT. The MM#003 Major Flare Watch
will continue for another 24 hours as NOAA 12209 rotates fully into
view.
The position of NOAA 12209 on 13-Nov-2014 at 23:00 UT is:
S13E60, ( -822", -243" )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
Solar activity has remained at a low level. NOAA region 12205 has continued
to show signs of decay with further decreasing in area and number of spots.
This region remains classified as a beta-gamma-delta/D-type sunspot group,
but has decreased in McIntosh complexity rank from Dkc to Dac. NOAA 12205
has remained the most active spot group since the last message with having
produced four C-class events. Yesterday's target, the return of the region
previously designated as NOAA 12192, has rotated a small leading spot over
the South East limb. Large scale loops and bright EUV emission are visible,
but the majority of the region remains beyond the limb so classification of
its magnetic complexity is not yet possible. The MM#003 Major Flare Watch
will continue for another 24 hours as this region rotates over the limb.
The approximate position of this region on 12-Nov-2014 at 23:30 UT is:
S11E90, ( -951”, 185” )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
Solar activity is at a low level. NOAA region 12205 has shown signs of
decay with decreasing in spot area and number of spots. This region is
now classified as a beta-gamma-delta/D-type sunspot group and was the
source of 4 C-class events since yesterday’s email, the largest being
a C6.7 flare on 11-Nov-2014 at 11:15 UT. The MM#003 Major Flare Watch
will remain in effect for another 24 hours, but the target switches to
the South East limb for the return of the region previously designated
as NOAA 12192. High-altitude loops from the multiple X-class producing
region are now visible above the limb (with strong 3 MK Ca XV emission)
and the leading spots should rotate over the limb in the next 24 hours.
The approximate position of this region on 11-Nov-2014 at 21:30 UT is:
S11E90, ( -951”, 185” )
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,
Shaun Bloomfield (Trinity College Dublin)