Dear Collaborators,
Solar activity continues at a low-to-moderate level. The limb target
(S18E75) remained the most flare-productive region in the period,
being the source of over ten C-class flares, including three middle
C-class flares (C6.0, C5.8, and C4.1). Today the target shall remain
with this limb region, although the largest event in the period was
produced by NOAA 14012 (S14W91) - a C6.8 flare occurred at
07:40 UT today. Additionally, NOAA 14019 (N06W03) retains a
beta-delta configuration and also produced several low C-class
flares in the period. C-class flares are expected, with a chance
of an isolated low M-class flare in the next 24-48 hours.
The approximate position of the target region on 13-Mar-2025 12:30 UT is:
S18E75 (-887'', -266'')
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,
De-Chao Song (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a low-to-moderate level since the last message.
Yesterday's target region, NOAA 14019 (N07E11), produced only two low
C-class flares in the period and has been designated as a beta-delta
configuration. The largest event in the period was a C9.6 flare at 21:11 UT
yesterday from NOAA 14024 (N05W61), which has now nearly lost all
sunspots. The most flare-productive region in the period was located at
the southeast limb (S17E88). This limb region was the source of over ten
C-class flares, including three mid-to-high C-class flares (C7.2, C8.8, and
C5.7). Today, the target will switch to this limb region. C-class flares
are
expected, with a possibility of an isolated low M-class flare in the next
24-48 hours.
The approximate position of the target region on 12-Mar-2025 12:30 UT is:
S17E88 (-922'', -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,
De-Chao Song (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has slightly increased since the last message. A newly
emerged region (N05W46) produced the largest event in the period
- an M1.1 flare at 13:03 UT today. Yesterday's target, now numbered
as NOAA 14021 (S06E64, beta/C-type), produced a C2.7 flare today.
Additionally, NOAA 14019 (N07E24) was the source of three ~C2.0
flares during the period. This region has developed into a beta-gamma
-delta configuration with a significant increase in sunspot area and
number of spots. Today the target will switch to this region due to its
rapid evolution and complex magnetic configuration. Low-to-moderate
C-class flares are expected, with a chance of an isolated low M-class
flare in the next 24-48 hours.
The position of NOAA 14019 on 10-Mar-2025 at 12:30 UT is:
N07E24 (-391",227")
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,
De-Chao Song (Purple Mountain Observatory)
Dear Collaborators,
Solar activity remains low. The largest event since the last message
was a C2.6 flare at 18:32 UT yesterday, produced by the limb region
(S06E89) mentioned in yesterday's message. This region was also
the source of another C2.5 and two ~C1 flares during the period.
Today the target shall switch to this region. Yesterday's target NOAA
14012 (S14W45) retains a beta-gamma configuration and produced
three ~C1 flares in the period. 14012 shows further decay, with a
decreasing number of spots. Low C-class flares are expected in the
next 24-hour period.
The approximate position of the target region on 10-Mar-2025 12:30 UT is:
S06E89 (-960'', -98'')
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,
De-Chao Song (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a low level. The largest event since
the last message was a C4.0 flare at 17:38 UT on March 8 due
to a filament eruption from a limb region (S06E89). The target
region NOAA 14012 was the source of seven C1-C2 flares during
the period. 14012 retains a beta-gamma/E-type configuration
but experiences a further decay. Additional C-class activities are
expected in the following 24-hour period.
The position of NOAA 14012 on March 9 at 04:30 UT is:
S14W25 (397", -125")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)
Dear Collaborators,
There was an isolated M1.6 flare at 20:54 UT on March 7
from NOAA 14016 (S26E04). 14016 retains a beta-gamma/
C-type configuration and seems to interact with the target
region NOAA 14012 via overlying loops. 14012 was the source
of six low C-class (C1-C2) flares during the period. It retains
a complex beta-gamma/E-type configuration but has entered
its decay phase. Today we will continue to watch this region.
Further C-class flares are expected in the next 24 hours.
The position of NOAA 14012 on March 8 at 08:30 UT is:
S13W15 (244", -101")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a very low level with the GOES 1-8 flux
mostly flat at ~C1. The largest event over the past 24 hours was a
C1.7 flare at 00:09 UT today from a northeast limb region (N06E88).
The target NOAA 14012 produced a C1.6 flare at 20:02 UT yesterday.
It retains a beta-gamma/E-type configuration. Only C-class activities
are expected in the next 24 hours.
The position of NOAA 14012 on March 7 at 08:30 UT is:
S13W00 (0", -97")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity increased in the past 24 hours. An isolated M1.8 flare
(at 11:45 UT on March 5) was produced by NOAA 14016 (S26E30)
that was mentioned in yesterday's message. 14016 has been designated
as a beta-gamma/C-type configuration but with a small sunspot area.
The target region NOAA 14012 only produced two low C-class flares
during the period. It retains a complex beta-gamma/E-type configuration
but increases the sunspot area and number of spots. Today we will
continue to watch NOAA 14012. Further C-class activities are expected
in the following 24 hours.
The position of NOAA 14012 on March 6 at 08:30 UT is:
S12E14 (-229", -83")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a very low level. The largest event
since the last message was a C4.6 flare at 15:34 UT yesterday
produced by NOAA 14012. 14012 also produced four ~C2.0
flares during the period. It has been designated as a beta-gamma/
E-type configuration with increasing the sunspot area and number
of spots. Today the target will switch to this region. Please note
that a newly emerged region, NOAA 14016 (S25E43, beta/B-type),
also produced four ~C1.5 flares. Yesterday's target NOAA 14007
has lost its delta spot and continues to be flare quiet. C-class flares
are expected from various regions in the next 24-hour period.
The position of NOAA 14012 on March 5 at 08:30 UT is:
S13E28 (-444", -111")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a very low level. The largest event
since the last message was a C3.4 flare at 00:47 UT produced
by NOAA 14006 (N19W54) which has a beta/C-type configuration.
14006 was also the source of two C2 flares during the period.
Please note that NOAA 14012 (S13E42) was the source of six
low C-class flares including a C3.1. 14012 has been designated
as a beta-gamma/D-type region. The target region NOAA 14007
was flare quiet over the past 24 hours but it has been designated
as a beta-gamma-delta/D-type region, continuing to increase the
sunspot area. Today we continue to watch NOAA 14007 for a
further 24 hours. C-class flares are expected from various regions
in the following 24 hours.
The position of NOAA 14007 on March 4 at 08:30 UT is:
S10W49 (720", -88")
See http://www.SolarMonitor.org <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 (Purple Mountain Observatory)