Dear RHESSI Collaborators,
Solar activity has been at very low levels over the past 24 hours.
NOAA 12322 was the source of a C1.0 event at 00:33 UT today.
The target region NOAA 12321 maintains its E-type/beta-gamma
configuration, but further decreases in spot area. It shows some
flux emergence in the leading and intermediate portions. Only
low-level activity expected in the next 24 hours.
The position of NOAA 12321 on April 20 at 11:35 UT is:
N11W43 (Solar X = 641", Solar Y = 244")
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 continues at low levels. The target region NOAA 12321
was the source of two low C-class events since the last message. 12321
retains its E-type/beta-gamma configuration, but has lost some of its spot
area and number of spots. The two small filaments are still hanging
above this region. 12321 continues to be the primary target today, with
a chance of additional low activity. NOAA 12324 (N19E01) and 12325
(N05E11) also have potential to produce some low-level activity over the
next 24 hours.
The position of NOAA 12321 on April 19 at 11:35 UT is:
N11W29 (Solar X = 456", Solar Y = 257")
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 very low levels since the last message,
however, only an hour earlier today, there occurred a C5.2 X-ray event
due to a filament eruption from the target region NOAA 12321, which
was associated with a two-ribbon flare. There are still two small filaments
across the region. 12321 maintains its E-type/beta-gamma classification,
and keeps showing mixed polarities in both the leading and trailing portions.
It continues to be today's target region, with additional low activity likely
in the next 24 hours.
The position of NOAA 12321 on April 18 at 11:35 UT is:
N11W15 (Solar X = 243", Solar Y = 267")
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 is at intermediate-to-low levels, with a few low C-class
events from NOAA 12324 and 12325 since the last message. The
target region NOAA 12321 maintains its E-type/beta-gamma magnetic
configuration and continues to show mixed polarities in both the leading
and trailing portions. It is displaying bright H-alpha plage as well a
filament across the region, with the potential to produce low activity in
the next 24 hours.
The position of NOAA 12321 on April 17 at 11:35 UT is:
N12W05 (Solar X = 81", Solar Y = 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,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
There has been a minor resurgence in solar activity, with several
C-class flares since the last message, including a C7.8 from NOAA
12321 at 20:13 UT yesterday. The target region has begun to decay and
fragment but maintains its beta-gamma configuration. Further low-level
activity expected over the next 24 hours.
The position of NOAA 12321 on 16-Apr-2015 at 15:35 UT is:
N12E07, ( -114", 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 activity continues at low levels despite the presence of three
large active regions on the visible hemisphere. The target region NOAA
12321 has been downgraded to a beta-gamma region and has been
predominantly quiescent except for a C1.5 flare at 11:35 UT today.
Only minor events expected over the next 24 hours.
The position of NOAA 12321 on 15-Apr-2015 at 15:35 UT is:
N13E17, ( -273", 302" )
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 since the last message, with only minor
C-level events emanating from NOAA 12320, 12321, and 12322. The target
region NOAA 12321 retains its beta-gamma-delta configuration but may
be showing signs of decay in its core. Potential still exists for
further intermediate level events over the next 24 hours.
The position of NOAA 12321 on 14-Apr-2015 at 13:00 UT is:
N13E32, ( -495", 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,
Solar activity remains at intermediate levels with many C-class flares
over the past 24 hours, the largest being a C9.0 at 17:58 UT yesterday
from the target region, NOAA 12321. The region is now classified as a
beta-gamma-delta and is undergoing further development, particularly
in its core. There is another large sunspot group on the limb to the
east of the target region, which should be included in your
field-of-view if possible. Additional C-level activity likely with
chance of an M-class flare.
The position of NOAA 12321 on 13-Apr-2015 at 15:35 UT is:
N13E45, ( -660", 280" )
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 new target region near the northeast limb has now been designated
as NOAA 12321 and has produced several C-class flares since the last
message, as well as a long-duration M1.1 at 08:51 UT today. It is
classified as having a beta-gamma configuration and appears to be
undergoing further flux emergence within the dominant leader spot.
Further C- and M-level activity expected.
The position of NOAA 12321 on 12-Apr-2015 at 11:35 UT is:
N12E61, ( -820", 244" )
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 intermediate levels with several C-class
flares emanating from NOAA 12320 over the past 24 hours. A large
sunspot group has appeared on the northeast limb but has only produced
a C4.7 flare (at 02:29 UT today) so far. The region is as yet
unnumbered and its magnetic configuration is unclear but it shall be
the new target region. The region has the potential to increase
activity significantly over the coming days.
The approximate position of the target region on 11-Apr-2015 at 15:35 UT is:
N13E74, ( -896", 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,
Ryan Milligan (QUB)