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)
Dear Collaborators,
Solar activity has reached a high level. The largest event
since the last message was an X1.1 flare at 07:08 UT
produced by NOAA 13936. This region also produced the
most low-M flares today. It has displayed the separation of
its leading spots and retained a beta-delta/E-type magnetic
configuration in the period, with the emergence of additional
spots. Yesterday’s target NOAA 13938 was only a source of
a C7.3 flare. Today the Major Flare Watch shall switch to
13936 from 13938. More low-M activity is expected, with a
good chance for another >M5 flare in the next 24-48 hours.
The position of NOAA 13936 on 29-Dec-2024 at 12:30 UT is:
N13W36 (560", 256")
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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has grown to a moderate level since the last
message. The largest event was "an M4.5 flare" at 11:12 UT
from NOAAs 13932 (beta-gamma-delta/D-type, S17W30) and
13933 (beta-gamma/D-type, S07W55). The target region NOAA
13938 was a source of an M3.3 flare at 20:29 UT yesterday,
although it was downgraded to a beta-gamma/D-type sunspot
group. Today the Major Flare Watch will continue as NOAA 13938.
More low-M activity is probable, with a chance for an isolated >M5
flare in the following 24 hours.
The position of NOAA 13938 on 28-Dec-2024 at 12:30 UT is:
N19E18 (-286", 358")
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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has dropped to an intermediate level over the past
24 hours. There are three ~C9 flares produced by three regions.
The largest flare in the period was a C9.6 at 18:28 UT yesterday
from a small newly-emerged region (unnumbered yet). NOAA
13932 (beta-gamma-delta/E-type, S17W15) also was a source
of a C9.5 flare at 07:53 UT today. The target region NOAA 13938
produced a C9.0 flare at 00:44 UT today. 13938 has developed a
weak delta to a beta-gamma-delta/E-type magnetic configuration
as it emerged new visible magnetic fluxes surrounding its main
spots. Today the Major Flare Watch shall remain with 13938 for a
further 24 hours. Further C-class activity is expected, with a chance
for an isolated >M5 flare in the coming 24 hours.
The position of NOAA 13938 on 27-Dec-2024 at 12:30 UT is:
N21E33 (-497", 383")
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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
The level of solar activity has continued to be high since the
last message. The largest event was an M7.3 flare at 02:52 UT
today from NOAA 13938. This region also produced an M3.1
flare at 23:59 UT yesterday and retains a beta-gamma/D-type
classification, with the emergence of new spots. Yesterday’s
target NOAA 13932 (beta-gamma/F-type, S18W06) was flare
quiet during the period. Today the Major Flare Watch shall
switch to 13938 from 13932. Additional low-M activity is probable,
with a good opportunity for another >M5 flare in the coming days.
The position of NOAA 13938 on 26-Dec-2024 at 12:30 UT is:
N20E46 (-661", 360")
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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has returned to a high level since the last message.
The target region NOAA 13932 produced the largest event in the
period – an M5.0 at 04:46 UT today. 13932 lost the delta configuration
to be confirmed as a beta-gamma/F-type sunspot group, with signs
of decay in its leading portion. Today the Major Flare Watch will
continue as NOAA 13932. Note that NOAA 13838 (beta-gamma/D-type,
N20E61) was the most productive over the period as it rotated on
disk, including its largest magnitude being an M2.9 at 04:14 today.
More low-M activity is very likely, with a chance for an isolated >M5
flare in the next 24 hours.
The position of NOAA 13932 on 25-Dec-2024 at 08:30 UT is:
S18E08 (-129", -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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
The level of solar activity has decreased slightly. The two largest
events since the last message were an M4.7 flare at 00:14 UT
and an M4.1 flare at 08:28 UT today from the target region NOAA
13932. This region became fragmented somewhat but this led to
increasing its magnetic complexity to a beta-gamma-delta/F-type
classification. Today the Major Flare Watch will remain in effect
with NOAA 13932. More low-M activity is probable, with a chance
for an isolated >M5 flare in the coming 24 hours.
The position of NOAA 13932 on 24-Dec-2024 at 12:30 UT is:
S17E20 (-320", -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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has reached a high level, due to an M8.9 flare at
11:06 UT today from the target region NOAA 13932. It has
developed a delta to be designated as a beta-gamma/E-type
magnetic configuration, with a spot area of 480 μh. 13932 shall
continue as the target region, but we are issuing a Major Flare
Watch alert at this time due to the increased possibility of another
>M5 flare within the next 24-48 hours.
The position of NOAA 13932 on 23-Dec-2024 at 12:30 UT is:
S17E35 (-536",-259")
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,
Qiao Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity remains at a moderate level in the last 24 hours.
The target region NOAA 13932 produced the largest flares in
the period - an M1.1 at 04:03 UT today and two C9.6 at 22:58 UT
yesterday and at 10:21 UT today. 13932 has emerged additional
spots and increased in its spot area to be classified as a beta/E-type
sunspot group. To the North West of 13932, NOAAs 13928
(beta/D-type, S14E27) and 13933 (beta/D-type, S08E27) also
produced four >C5 flares. Today the target shall continue as
13932, and please also include NOAAs 13928 and 13933 in the
field of view if possible. Note that another active region NOAA
13930 (beta/C-type, S22W56) also was the source of three >C5
flares. Further C-class activity is expected, with a good chance
for another low-M flare in the following 24-hour period.
The position of NOAA 13932 on 22-Dec-2024 at 12:30 UT is:
S17E47 (-683", -264")
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,
Qiao Li (Purple Mountain Observatory)