Dear RHESSI Collaborators,
NOAA 11810 is now in decay but has continued to produce B-level activity,
the largest being a long-duration B6.3 flare beginning at 17:13 UT
yesterday. A new alpha region on the southeast limb, NOAA 11814, has also
been the source of some minor B-class flares. NOAA 11810 shall remain the
target region for a further 24 hours. Additional low-level events possible.
The position of NOAA 11810 on 8-Aug-2013 at 13:00 UT is:
S25W27, ( 390", -482" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
Solar X-ray flux remains steady around the B2 level. The target region,
NOAA 11810, remains largely unchanged and was the source of a B4.2 flare at
03:42 UT today. Further isolated low-level events possible.
The position of NOAA 11810 on 7-Aug-2013 at 13:00 UT is:
S26W14, ( 206", -503" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
Solar activity remains at very low levels. NOAA 11810 continues to develop
gradually and is now classified as having a beta configuration. The largest
event produced since the last message was a B3.6 flare at 19:01 UT
yesterday. Additional isolated minor events possible.
The position of NOAA 11810 on 6-Aug-2013 at 13:00 UT is:
S26W02, ( 29", -505" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
Solar activity remains at very low levels. The target region, NOAA 11810,
continues to show signs of flux emergence in its trailing portion but
remains quiescent. No significant increase in activity expected over the
next 24 hours.
The position of NOAA 11810 on 5-Aug-2013 at 13:00 UT is:
S26E12, ( -177", -502" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
The level of solar activity is very low. There has been no
significant flare activity since the previous message.
Yesterday's target region, NOAA 11806, has weakened
and the two polarities have separated, somewhat. There
is evidence for new flux emergence within NOAA 11810.
The region exhibits ongoing spot emergence within its
intermediate portion, and now shows some evidence of a
gamma configuration. Low B-class activity is expected
with a chance for a high B-class event.
The position of NOAA 11810 on 4-Aug-2013 at 18:00 UT is:
S25W42, ( 571", -466" )
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 Higgins (Trinity College Dublin/LMSAL)
Dear RHESSI Collaborators,
The level of solar activity is low. The largest flare since the previous
message was a B3.6 flare released by NOAA 11810, a decayed bipolar region.
NOAA 11809 shows a small but strong polarity separation line in its
intermediate portion, but has small total spot area and appears quiescent.
Yesterday's target region, NOAA 11806, has not produced significant
activity since the last message, but shows the largest spot area. B-class
activity is expected with a chance of an isolated C-class event.
The position of NOAA 11806 on 3-Aug-2013 at 16:30 UT is:
S14W28, ( 433", -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,
Paul Higgins (Trinity College Dublin/LMSAL)
Dear RHESSI Collaborators,
The level of solar activity is low. Yesterday's target was responsible
for B-class activity since the previous message, the largest event
being a B8.4 flare on 1-Aug-2013 at 22:54 UT. However, its magnetic
footprint appears to have simplified significantly. Two small bipoles
have emerged side-by-side and have been designated as NOAA
11811. Meanwhile, rapid bipolar flux emergence has occurred within
the boundary of decayed region, NOAA 11806, and the emergence
still appears to be underway. So far, the region was responsible for
a B9.7 flare on 2-Aug-2013 at 11:15 UT. Low C-class activity is
expected with a chance for an isolated high C-class event.
The position of NOAA 11806 on 2-Aug-2013 at 17:30 UT is:
S15W15, ( 231", -336" )
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 Higgins (Trinity College Dublin/LMSAL)
Dear RHESSI Collaborators,
The level of solar activity is low. Comparing the GOES X-ray
light curves to the soft X-ray images, it appears that yesterday's
target (NOAA 11809) was responsible for one or more B-class
events over the previous 24 hours. There appear to be visible
magnetic loop connections between the new emerging bipole,
mentioned yesterday, and NOAA 11809, which may contribute to
destabilisation. Also, as NOAA 11809 rotates more fully onto the
disk, it is showing some evidence for a small mixed polarity (delta)
spot between the trailing positive plage and leading negative spot.
The region is the largest and most complex on disk, currently.
Further B-class activity is expected with a chance for C-class
events.
The position of NOAA 11809 on 1-Aug-2013 at 18:00 UT is:
N12E55, ( -760", 142" )
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 Higgins (Trinity College Dublin/LMSAL)
Dear RHESSI Collaborators,
The level of solar activity is low. Yesterday's target region 11805 has
rotated to
the West limb and has significantly decreased in activity. On the other
hand, a
new region, NOAA 11809, has rotated onto the East limb. Meanwhile, a new
bipole is currently emerging at around N05E45, which may act to destabilise
both
NOAA 11809 and nearby NOAA 11808. NOAA 11809 appears to have the
strongest and most complex sunspot configuration, although it is difficult
to
determine the precise surface magnetic field morphology, currently.
Considering
soft X-ray images, NOAA 11809 is the most active and was responsible for at
least one C-class event (a C1.5 on 31-Jul-2013 at 05:18 UT) since the last
message. Further low C-class activity is expected, with a chance for an
isolated
high C-class event.
The position of NOAA 11809 on 31-Jul-2013 at 17:30 UT is:
N14E69, ( -859", 195" )
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 Higgins (Trinity College Dublin/LMSAL)
Dear RHESSI Collaborators,
The level of solar activity is low. Yesterday's new regions (NOAA 11807 and
11808) have ceased emerging new flux. NOAA 11808 shows evidence for a very
small but concentrated polarity separation line in its following portion
and the
region appears to be destabilising nearby NOAA 11801. However, the overall
magnetic complexity and spot area of the two ARs is much less than that of
yesterday's target NOAA 11800 and nearby 11805. This AR complex continues
to
release B- and C-class flares, the largest of which was a C6.3 event from
NOAA
11800 on 29-Jul-2013 at 23:18 UT. Since NOAA 11800 has rotated over the
limb,
the target will now switch to NOAA 11805. Further C-class activity is
expected
with a chance for an isolated low M-class flare.
The position of NOAA 11805 on 30-Jul-2013 at 17:30 UT is:
S06W68, ( 871", -134" )
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 Higgins (Trinity College Dublin/LMSAL)