Dear RHESSI Collaborators,
There were three B class flares in the past 24 hours with the largest
- a B9 event - coming from NOAA 11236/11239, now behind the limb. The
still unnumbered region on the north-east limb produced a smaller B
class flare and will continue to be todays target. Although it is
difficult to say due to its position, this region shows signs of small
sunspots with some dense field regions, though STEREO B images suggest
it may have entered its decay phase.
The position of the target on 28-Jun-2011 at 16:30 UT is:
N15E69 ( -850", 229" )
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 low with two B class flares produced by NOAA
11236 and 11241 in the past 24 hours. With NOAA 11236 having rotated
behind the limb, the target region will switch to the east limb where
an unnumbered region is rotating onto the disk. Though the complexity
of the region is difficult to specify, it is bright in EUV and is
showing large loop structures overlying the region.
The position of the target on 27-June-2011 at 16:00 UT is:
N15E90, ( -900", 200" )
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)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Solar flare activity continues at a very low level. No
significant changes in the level of activity expected
anytime soon. The target region is now on the west limb.
A minor event is possible before it completes
west limb passage.
The position of NOAA 1236 on June 26 at 10:30 UT is:
N15W80 (Solar X = 898", Solar Y = 237")
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,
Solar flare activity has been very low. The target region,
NOAA 1236, was the source of the only activity since
the last message. 1236 produced two minor B-class events.
The largest was a B4.3 at 06/25/10:20 UT. 1236 is
mostly unchanged with a C-type/beta sunspot group.
No significant solar flare activity expected.
The position of NOAA 1236 on June 25 at 20:30 UT is:
N17W73 (Solar X = 863" Solar Y = 265")
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,
Solar activity has remained quiet for the past 24 hours despite the
five numbered active regions on disk. All of these regions appear to
be decaying, although a small, unnumbered EFR is emerging at the
meridian in the northern hemisphere. If it continues to grow it may
produce some mid-size flares. For now, we will continue to observe
NOAA 11236 as it approaches the west limb.
The position of NOAA 11236 on 24-Jun-2011 at 15:30 UT is:
N16W55 ( 744", 241" )
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 is quiet, with no significant flares in the past 24
hours. Although the complexity of NOAA 11236 has been reduced to beta,
as the largest and most flare-productive region it will continue to be
today's target of opportunity.
The position of NOAA 11236 on 23-Jun-2011 15:30 UT is:
N16W41 ( 597", 237" )
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 is low today with no major flares occurring in the past
24 hours. There are currently five active regions on disk and,
although NOAA 11236 continues to decay slowly, it remains the largest
and most complex region. Its leading spot retains its beta-gamma
classification and so it will continue to be todays target of
opportunity.
The position of NOAA 11236 on 22-Jun-2011 at 15:30 UT is:
N17W30 ( 449", 251" )
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,
NOAA 11236 was the source of an eruptive C7 flare earlier today as its
large central filament erupted. Although the active region remains
largely unchanged, the two spots that once formed the leading sunspot
have merged into one large leader spot and have retained the large
penumbra. In addition, small scale flux emergence close to the
trailing spot, along with a new AR developing to the east of the
region makes it a good candidate for further C class activity.
The position of NOAA 11236 on 21-Jun-2011 at 15:30 UT is:
N17W16 ( 249", 250" )
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,
The Sun produced two mid to low C class flares yesterday: a C4 flare
from NOAA 11234 on the west limb and a C1.5 from 11237, an alpha
region in the south east quadrant. AR 11236 will continue to be
today's target at it crosses the meridian. It maintains its beta gamma
configuration and mixed polarity leading spot. Further C class flares
possible in the next 24 hours.
The position of NOAA 11236 on 20-Jun-2011 at 15:30 UT is:
N16W03 ( 47", 235" )
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 continues at low levels. The target region NOAA 11236
continues to decay and was the source of a B9.1 flare at 02:21 UT
today. Further low-level activity likely with chance for an isolated
C-class flare.
The position of NOAA 11236 on 19-Jun-2011 at 10:30 UT is:
N17E12, ( -188", 253" )
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)