Dear RHESSI Collaborators,
Solar activity has increased over the past 24 hours with C-level
events from NOAA 11376, NOAA 11382/1, and a newly numbered region on
the northeast limb NOAA 11384. The target region shall continue to be
NOAA 11382 which is still showing signs of growth and polarity mixing
with NOAA 11381. Further C-class flares likely.
The position of NOAA 11382 on 21-Dec-2011 at 11:00 UT is:
S19W00, ( 8", -292" )
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 continues at low levels with NOAA 11376 producing
several B-class events since the last message. The target region
complex, NOAA 11381/2, has continued to develop with the two beta
regions seeming to merge together. The region was the source of a C1.5
flare at 00:38 UT today and may produce further isolated low-level
events.
The position of NOAA 11382 on 20-Dec-2011 at 10:30 UT is:
S16E07, ( -108", -245" )
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 low levels. The newly emerged bipolar
region in the southeast quadrant has undergone further development and
has been accompanied by a second emerging region. They are now
designated NOAA 11381 and 11382, respectively; NOAA 11382 being
slightly larger. Chance for isolated low-level events as the regions
continue to develop.
The position of NOAA 11382 on 19-Dec-2011 at 12:00 UT is:
S18E19, ( -299", -281" )
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 picked up since the last message. There has been
renewed activity from NOAA 11376, including a C3.2 flare at 22:47 UT
yesterday, due to new sunspot development. However, the new target
region shall be the emerging flux region in the southeast quadrant.
The as yet unnumbered region has produced a few B-class flares
recently including a C1.2 event at 23:37 UT yesterday. Chance for
further low-level activity as the region continues to develop.
The approximate position of target region on 18-Dec-2011 at 12:30 UT is:
S19E31, ( -476", -301" )
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,
Quiet-Sun conditions continue with NOAA 11374 now in decay. The C1.2
flare at 04:49 UT today emanated from the NOAA 11376/7 region close to
disk center. NOAA 11374 shall remain the target region for a further
24 hours although no significant activity is expected.
The position of NOAA 11374 on 17-Dec-2011 at 13:00 UT is:
S18W44, ( 644", -288" )
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 background flux has dropped to low B-level with no notable
events in the past 24 hours. NOAA 11374 remains unchanged and shall
continue to be the target region, although no significant activity is
expected at this time.
The position of NOAA 11374 on 16-Dec-2011 at 11:00 UT is:
S18W31, ( 481", -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,
Ryan Milligan (QUB)
Dear RHESSI Collaborators,
With NOAA 11367 now over the limb, quiet-Sun conditions have returned.
The target region shall therefore revert back to NOAA 11374 in the
southern hemisphere. The region comprises a positive polarity sunspot
which is flanked by negative polarity plage. No significant activity
expected at this time.
The position of NOAA 11374 on 15-Dec-2011 11:00 UT is:
S18W17, ( 274", -288" )
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,
The large active region in the northeast quadrant has now been
designated NOAA 11376, but has remained quiescent. NOAA 11367 on the
southwest limb has produced over a dozen low-C-class flares since the
last message and shall be the new target region for the next 24 hours.
Chance for further low level events before the region rotates over the
limb.
The position of NOAA 11367 on 14-Dec-2011 at 10:30 UT is:
S18W89, ( 926", -301" )
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,
The target region in the northeast quadrant has remained quiescent
since the last message. The region comprises large areas of magnetic
plage but has no associated sunspots. No significant increase in
activity expected at this time.
The approximate position of the target region on 13-Dec-2011 at 10:30 UT is:
N21E62, ( -808", 355" )
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 remains at very low levels. NOAA 11374 has increased in
size and was the source of a single C1.2 flare at 08:30 UT today.
However, a large, unnumbered active region has rotated on to the
northeast limb and shall be the new target region. The magnetic
configuration of the region is unclear at this time, but it has the
potential for increased activity as it rotates on to the disk.
The approximate position of the target region on 12-Dec-2011 at 16:30 UT is:
N21E86, ( -908", 350" )
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)