MM#003 Major Flare Watch
Dear RHESSI Collaborators,
NOAA 2371 was the source of C-class activity and an isolated
M1.0 event at 06/20/06:47 UT. 2371 is maintaining its large
E-type/beta-gamma-delta sunspot group. The delta, although large,
has a somewhat weak magnetic configuration due to its
widely-spaced opposite polarity umbrae. We will continue
the major flare watch for another 24 hours. An isolated
M-class event =/>M5 is still possible.
The position of NOAA 2371 on June 20 at 11:00 UT is:
N13E23 (Solar X = -361", Solar Y = 189")
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,
Bill Marquette (Helio Research)
MM#003 Major Flare Watch
Dear RHESSI Collaborators,
Target region, NOAA 2371, was the source of C-class events
and a long-duration M3.0 event at 06/18/17:36 UT. The largest
C-class event was a C8.1 at 06/19/09:27 UT. NOAA's region
classification is E-type/beta-gamma-delta (BGD). At this time
we are implementing coordinated observing plan #003
(Region Likely To Produce A Major Flare =/> M5).
The position of NOAA 2371 on June 19 at 11:00 UT is:
N13E36 (Solar X = -543", Solar Y = 194")
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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
The largest x-ray event in the past 24 hours was an isolated
M1.2 at 06/18/01:27 UT. The location was near NOAA 2365
(S13W91). Target region NOAA 2371 has increased in
sunspot count, sunspot area and magnetic complexity.
2371 is currently a large E-type/beta-gamma region. C-class
events expected with an increase in the possibility of an
isolated M-class event in the next 24 hour period.
The position of NOAA 2371 on June 18 at 11:00 UT is:
N13E50 (Solar X = -707", Solar Y = 199")
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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Target region (now numbered NOAA 2371) is mostly
unchanged displaying bright dynamic H-alpha plage.
2371 currently appears to have a D-type/beta sunspot group.
2371 was the source of a few C-class events since the
last message. The largest was a C3.2 at 06/16/00:01 UT.
C-class events expected with an isolated M-class event
possible in the next 24 hour period.
The position of NOAA 2371 on June 17 at 15:00 UT is:
N13E63 (Solar X = -822", Solar Y = 204")
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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
The northeastern target region was the source of a
C2.7 event at 06/16/0406 UT. The target region continues
to display bright and dynamic H-alpha plage east of the large
leader sunspot. The region is currently too close to the limb
to ascertain its magnetic configuration. C-class events
probable with an isolated M-class event possible in the
next 24 hour period.
The position of the target on June 16 at 11:00 UT is:
N13E80 Solar X = -907", Solar Y = 209")
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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
The target region, NOAA 2367, is mostly unchanged maintaining
a large E-type sunspot group with a weak beta-gamma
magnetic configuration. 2367 was the source of a minor C1.3
event since the last message. The largest event in the past 24
hours was a C2.5 at 06/15/10:32 UT. The source region was a
new region located on the northeastern limb. This new region is
displaying bright surging. We will switch to the limb region
today. C-class events probable in the next 24 hour period.
The approximate position of the target on June 15 at 11:30 of UT is:
N13E88 (Solar X = -920", Solar Y = 211")
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,
Bill Marquette (Helio Research)
Dear RHESSI Collaborators,
The level of solar activity is moderate. The largest event over the past
24 hours was an M2.0 at 00:52 UT today produced by the limb region
NOAA 12360 (N15W89). 12360 also produced several C-class events.
It is almost rotating over the west limb. NOAA 12365 (S15W40) was the
source of a C5.9 at 03:48 UT today, which was associated with a CME.
Yesterday’s target region NOAA 12367 has remained flare quiet since
the last message, but it has developed an E-type sunspot group and
increased in spot area and number of spots. C-class activity is expected,
with a chance for an M-class event over the next 24 hour period.
The position of NOAA 12367 on June 14 at 11:35 UT is:
S20E37 (Solar X = -535", Solar Y = -335")
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,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity has been at moderate levels. There was an M1.3 event
at 07:20 UT today from NOAA 12360 (N15W77). 12360 was also the
source of 11 C-class events since the last message. This region is
rotating over the west limb. Yesterday's target region NOAA 12367 was
almost flare quiet during the past 24 hours. It remains a D-type/beta
magnetic configuration, and is showing flux emergence in its trailing
portion. Its current helicity is still increasing though very slowly. 12367
will continue to be today's target region. C-class activities are possible,
with a chance for an M-class event in the next 24 hours.
The position of NOAA 12367 on June 13 at 15:35 UT is:
S18E49 (Solar X = -679", Solar Y = -300")
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,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity has been just above the C-class level, with ~14 low
C-class events produced by NOAA 12360 and the limb target region.
The target region is now designated as NOAA 12367 and classified
as a D-type/beta magnetic configuration. 12367 seems to be showing
some positive flux emergence from its negative trailing spot. 12367
continues to be today's target region. Further C-class activity is expected,
with a slight chance for an M-class event over the next 24 hours. NOAA
12360 (N14W64), remaining its E-type/beta-gamma configuration, also
has the potential to produce some low C-class events when rotating over
the west limb.
The position of NOAA 12367 on June 12 at 15:35 UT is:
S19E61 (Solar X = -782", Solar Y = -313")
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,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity has increased significantly during the past 24 hours. There
was an M1.0 event at 08:49 UT today produced by an unnumbered limb
region (S19E83). This southeast limb region was also the source of more
than 10 C-class events, including a C8.7 and a C7.0 flares in the last two
hours. Although it is too close to the limb to ascertain its magnetic
configuration, we will switch the target region to the southeast limb today.
The total unsigned current helicity of this limb region has increased rapidly
(seen from the SHARP website) when it is rotating onto the visible disk.
Another M-class activity is likely in the next 24 hours.
The approximate position of the target region on June 11 at 16:00 UT is:
S20E82 (Solar X = -920", Solar Y = -320")
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,
Ying Li (Nanjing University / Montana State University)