Dear Collaborators,
Solar activity has been at a moderate-to-low level since the last
message. The largest event in the period was an M1.1 flare at
22:35 UT yesterday, produced by a southwest limb region NOAA
13939 (S20W88). Additionally, NOAA 13950 (S18E17, alpha/H-type)
produced a C9.8 flare at 06:29 UT today. The target region NOAA
13947 (N12W02) produced only three low C-class flares in the
period, although it retains a beta-gamma-delta configuration.
At this time, we are ending the Major Flare Watch campaign,
but NOAA 13947 shall remain the target region, due to its
magnetic complexity and activity history. Further C-class activity
is expected, with a chance of low M-class flares in the next 24 hours.
The position of NOAA 13947 on 8-Jan-2025 at 08:30 UT is:
N12W02 (33",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,
De-Chao Song (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has slightly increased since the last message.
The largest event in the period was an M4.8 flare at 16:12 UT
yesterday, produced by the target region NOAA 13947 (N11E12).
This region maintains a beta-gamma-delta configuration, with
a slight increase in the sunspot area and number of spots.
13947 also produced several C-class flares in the period.
Today the Major Flare Watch shall remain with 13947 for a
further 24 hours, due to the possibility of an >M5 flare.
The position of NOAA 13947 on 7-Jan-2025 at 08:30 UT is:
N11E12 (-199",247")
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 dropped to a moderate level since the last message.
The largest event in the period was an M3.1 flare at 01:29 UT today,
produced by the target region NOAA 13947 (N11E24). This region
retains a beta-gamma-delta configuration but is diminishing in the
sunspot area and number of spots. 13947 also produced two additional
low M-class flares and over ten C-class flares in the period. Today
the Major Flare Watch shall remain with 13947 for a further 24 hours,
due to its activity history and magnetic complexity. Further low-M
activity is expected, with a chance for major flares (>M5) in the coming
days.
The position of NOAA 13947 on 6-Jan-2025 at 08:30 UT is:
N11E24 (-391",242")
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 decreased since the last message.
The largest event in the period was an M4.2 flare at 02:14 UT
today, produced by the target region NOAA 13947 (N10E35).
This region has now developed into a beta-gamma-delta
configuration, with further increases in both sunspot area
and number of spots. 13947 also produced three mid-to-high
C-class flares and four low M-class flares in the period,
including an M4.1 at 09:09 UT today. The Major Flare Watch
shall remain in effect for this region. Further low-M activity is
expected, with a chance for >M5 major flares in the coming days.
The position of NOAA 13947 on 5-Jan-2025 at 12:30 UT is:
N10E35 (-552",218")
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 remained high since the last message. The target
region NOAA 13947 (N11E52) produced a new X-class flare in the
period: an X1.1 flare at 22:32 UT yesterday. This region, classified
as a beta-delta configuration, has significantly increased in the
sunspot area. 13947 also produced two major flares (M5.8 and M7.6),
three low M-class flares, and six C-class flares during the period.
Today the Major Flare Watch will remain in effect with NOAA 13947.
Further M-class activity is expected, with a good chance for additional
major flares (>M5) in the following 24-48 hours.
The position of NOAA 13947 on 4-Jan-2025 at 08:30 UT is:
N11E52 (-756",221")
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 returned to a high level since the last message.
Just at 11:29 UT, an X1.2 flare was produced by NOAA 13947
(N10E66), a northeast region previously mentioned. This region
also produced six C-class flares during the period. At this time,
we are implementing the Major Flare Watch campaign on NOAA
13947. Besides, yesterday's target NOAA 13936 has fully rotated
beyond the west limb, which also produced an M1.1 and two
C-class flares in the period. Further C- and low M-class activities
are expected, with a good chance of additional major flares (>M5)
in the next few days.
The position of NOAA 13947 on 3-Jan-2025 at 08:30 UT is:
N10E66 (-878",191")
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 moderate-to-low level since
the last message. The largest event was an M1.2 flare
at 18:05 UT yesterday, produced by the target region
NOAA 13936 (N13W89). It has nearly rotated beyond
the west limb and also produced an M1.1 flare and two
mid-to-high C-class flares in the period. We will watch
this region for a final 24 hours but are ending the Major
Flare Watch campaign at this time. Additionally, the
northeast limb region (N10E82), mentioned in yesterday's
message, produced three mid-to-high C-class flares
during the period. Further C-class activity is expected,
with a good chance for additional low-M flares in the
following 24 hours.
The position of NOAA 13936 on 2-Jan-2025 at 08:30 UT is:
N13W89 (950",219")
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 dropped to a moderate level since the
last message. The target region NOAA 13936 (N13W76)
was still the most flare-productive region on the visible
solar disk as it approaches the northwest limb. It produced
several C-class flares and three low M-class flares during
the period, with the largest being an M2.7 at 22:02 UT
yesterday. The Major Flare Watch shall remain in effect
with NOAA 13936. Additionally, NOAA 13938 (N19W35,
beta-gamma/D-type) produced an "M2.9" flare during the
decay phase of the M2.7 flare. A northeast limb region
(N10E89, unnumbered yet) also produced an M1.0 and
two mid-to-high C-class flares in the period. Further low-M
activity is expected, with a chance for an isolated >M5 flare
in the next 24 hours.
The position of NOAA 13936 on 1-Jan-2025 at 12:30 UT is:
N13W76 (922",231")
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 decreased since the last message.
The largest event since the last message was an M5.0 flare
at 16:45 UT yesterday from the target region NOAA 13936
(N12W62), which retains a beta-gamma-delta configuration
and increases in the sunspot area and number of spots.
13936 also produced another five M-class and over ten C-
class flares in the period. Today the Major Flare Watch shall
remain in effect with NOAA 13936. Additionally, NOAA 13927
(S08W89), 13939 (S17W01), and 13932 (S16W69) were the
sources of several low M-class flares in the period. Further
low-M activity is expected, with a chance for additional >M5
flares in the following 24-48 hours.
The position of NOAA 13936 on 31-Dec-2024 at 12:30 UT is:
N12W62 (844",226")
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 at a high level. The largest event since the last
message was an X1.5 flare at 04:01 UT today, produced by the target
region NOAA 13936 (N13W46). This region has now developed into a
beta-gamma-delta configuration and produced another six M-class flares
in the period, including an M7.1 yesterday. Today the Major Flare Watch
will remain in effect with NOAA 13936. Please note that NOAA 13932
(S17W55, beta-gamma/D-type) produced an "X1.1" flare during the
decay phase of the X1.5 flare. Additionally, NOAA 13932,13939 (S17E15),
and 13941 (S06E21) produced several low M-class flares in the period.
Further low-M activity is expected, with a good chance for additional >M5
flares from various regions in the following 24-48 hours.
The position of NOAA 13936 on 30-Dec-2024 at 08:30 UT is:
N13W46 (685",252")
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)