Dear RHESSI Collaborators,
Solar activity remains low. NOAA 11190, now on the eastern limb, has
decayed significantly over the past 24 hours. The new target region
shall be NOAA 11193 which is crossing the central meridian. This
region has a bipolar configuration with a strong leader spot, and was
the source of a C1.5 flare at 18:55 UT yesterday. Chance for further
isolated C-level events.
The position of NOAA 11193 on 19-Apr-2011 at 08:30 UT is:
N17W00, ( 3", 364" )
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 diminished as NOAA 11190 has begun to decay. The
region continues to produce B-level activity, as well as a C1.8 flare
at 03:18 UT. There have also been C1 flares from NOAA 11193 and an
unnumbered region on the southeast limb. NOAA 11190 shall continue to
be the target region for another 24 hours as it approaches the
northwest limb. Further B-level activity expected with chance for an
isolated C-class flare.
The position of NOAA 11190 on 18-Apr-2011 at 08:30 UT at UT is:
N14W58, ( 789", 276" )
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 NOAA 11190 has continued to produce low C-level
activity over the past 24 hours, including a C5.0 flare at 13:51 UT on
16-Apr-2011. The region is now classified as a beta-gamma region due
to some mixed polarity in its trailing edge. Further C-level activity
expected.
The position of NOAA 11190 on 17-Apr-2011 at 08:30 UT is:
N14W45, ( 660", 293" )
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 NOAA 11190 was the source of an M1.3 flare yesterday
at 17:02 UT, in addition to several C-class events. The region
continues to develop in size but has retained a beta magnetic
configuration. Further C-level activity expected with chance for
another isolated M-class flare.
The position of NOAA 11190 on 16-Apr-2011 at 09:30 UT is:
N13W32, ( 492", 291" )
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 low C-level. NOAA 11193 has remained
quiescent since the C4.9 flare yesterday. At this time the target
region shall revert back to NOAA 11190 which has been the source of
numerous high B- and low C-class events over the past 24 hours as it
continues to develop. Further intermediate level activity expected.
The position of NOAA 11190 on 15-Apr-2011 at 09:30 UT is:
N13W20, ( 316", 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,
Solar activity remains elevated with numerous low C-class events
occurring over the past 24 hours. The largest of these was a C4.9 at
05:20 UT today from NOAA 11193 which is now on the eastern limb. NOAA
11193 shall be the new target region and is expected to produce
further C-level activity. If possible, also include NOAA 11191 in your
field of view.
The position of NOAA 11193 on 14-Apr-2011 at 09:30 UT is:
N17E65, ( -832", 317" )
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,
Activity has increased over the past 24 hours. NOAA 11191 has begun to
rotate onto the east limb and so far consists of a large bipolar
leading spot. As yet, the trailing spot is difficult to characterize
as it has not fully rotated onto the disk yet. NOAA 11190 is at the
central meridian and continues to experience flux emergence at its
center, now classified as beta gamma. Although both of these regions
have, and will continue to produce C class flares, we will select
11190 as today's target, until 11191 rotates further onto the disk.
Further C and possibly M class activity possible today.
The position of NOAA 11190 on 13-Apr-2011 15:30 UT is:
N15E03 ( -48", 340" )
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,
Claire Raftery (SSL, UC Berkeley)
Dear RHESSI Collaborators,
Activity levels have increased slightly with four C class flares in
the past 24 hours - two from a region on the east limb and two from
the newly numbered NOAA 11190 located in the north east quadrant. This
AR is former NOAA 11172 and until yesterday was in its decay phase.
There has been significant emerging flux within the center of the
region and to the west of it and now contains six sunspots. This will
be the target of opportunity today.
The position of NOAA 11190 on 12-Apr-2011 15:30 UT is:
N12E16 ( -263", 290" )
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,
Claire Raftery (SSL, UC Berkeley)
Dear RHESSI Collaborators,
Solar activity remains at a low level today. NOAA 11185/11186 produced
a number of B class flares yesterday, along with one B9 flare that
occurred off the east limb. NOAA 11185, 11186 and 11189 are now
magnetically connected, with bright coronal loop structures joining
them. These regions will be today's target and there continues to a
chance of C class activity.
The position of NOAA 11186 on 11-Apr-2011 15:30 UT is:
N23W03 ( 46", 464" )
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,
Claire Raftery (SSL, UC Berkeley)
Dear RHESSI Collaborators,
There was a single C1.3 class flare produced yesterday by NOAA 11184,
now on the west limb. However, given the longitude of that region, we
will continue with NOAA 11186 as our target of choice as it approaches
the meridian. This beta classification region is displaying some
polarity mixing, though could also be in its decay phase. It is
located within ~20' of two other active regions. Their close proximity
may result in some activity today although flares above C class are
unlikely.
The position of NOAA 11186 on 10-Apr-2011 10:30 UT is:
N23E12 ( -183", 463" )
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,
Claire Raftery (SSL, UC Berkeley)