Dear Collaborators,
Solar activity is now at a high level. The largest event since the last
message was an X2.3 flare at 08:50 UT yesterday (12/08), produced
by NOAA 13912 (S06W66). At this time, we are implementing the
Major Flare Watch campaign on this region. 13912 also produced
an M1.5 plus six C-class flares in the period but has been downgraded
to a beta/D-type magnetic configuration. Yesterday's target NOAA
13917 (S07E06) produced five low-to-mid C-class flares in the period
and was also downgraded to a beta/D-type magnetic configuration.
Further C- and low M-class activities are expected, with a chance of
major flares (>M5) in the coming days.
The position of NOAA 13912 on December 9 at 08:30 UT is:
S06W66 (886",-100")
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 level. The target
region NOAA 13917 produced two low M-class flares,
an M2.3 at 13:00 UT and an M3.2 at 21:53 UT yesterday,
and also seven C-class flares. It has been designated
as a beta-delta/D-type region, with increasing the sunspot
area and number of spots. Also note that NOAA 13912
(S07W50, beta-gamma/D-type) was the source of five
C-class flares. Additional low M-class flares are expected
in the next 24 hours.
The position of NOAA 13917 on December 8 at 04:30 UT is:
S07E21 (-347", -118")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity was at a moderate-to-low level over the past
24 hours. The largest event of the period was an M1.5 flare
at 09:06 UT yesterday produced by the target region NOAA 13917.
13917 also produced nine C-class flares. It retains a beta-
gamma/D-type configuration but increases the sunspot area
and number of spots. Also note that another region NOAA 13912
(S06W35, beta/C-type) produced seven C-class flares including
a C8.6 at 08:50 UT today. Further C-class activities are expected
with some chance of low M-class flare in the next 24 hours.
The position of NOAA 13917 on December 7 at 08:30 UT is:
S08E32 (-512", -136")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a moderate-to-low level since
the last message. The largest event of the period was an
M2.5 flare at 10:32 UT yesterday produced by NOAA 13906,
which has been rotated over the west limb. 13906 was also
the source of six low C-class flares yesterday. The target
region NOAA 13917 has been designated as a beta-gamma/
D-type configuration and produced six C-class flares during
the period. Also note that a nearby region NOAA 13916 (S16E37)
produced a C8.0 flare at 06:42 UT today and was also designated
as a beta-gamma/D-type configuration. Further C-class activities
are expected with low M-class flares probable in the next 24 hours.
The position of NOAA 13917 on December 6 at 08:30 UT is:
S08E46 (-695", -137")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a moderate level since the last
message. The target limb region has been numbered as
NOAA 13917 with a beta/C-type configuration. It produced
two low M-class flares, an M1.4 (being the largest one) at
20:57 UT yesterday and an M1.0 at 06:56 UT today, plus
four C-class flares. Also note that NOAA 13916 (S16E53,
beta/C-type) and 13906 (S17W91, beta-gamma/E-type)
also produced an M1.3 and an M1.1 flares, respectively.
Additional M-class activities are very likely in the following
24 hours.
The position of NOAA 13917 on December 5 at 08:30 UT is:
S09E56 (-798", -155")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has increased since the last message. An M2.3 flare
was produced by an east limb region at 09:52 UT today. This limb
region also produced two C3 flares. Today we will watch this region.
Yesterday's target NOAA 13912 was flare quiet during the period.
Note that NOAA 13905 (S09W90, beta-gamma/E-type) and 13916
(S16E65, beta/C-type) were the sources of numerous C-class flares,
the latter of which just emerged yesterday. Further C-class activities
are expected with some chance of M-class flare in the next 24 hours.
The approximate position of the target on December 4 at 12:30 UT is:
S09E89 (-950", -150")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a low level. The largest event
of the period was a C5.4 flare at 02:56 UT today from
NOAA 13912. Today the target will switch to this region
due to its activity history. 13912 retains a beta-gamma/
E-type configuration but increases the sunspot area and
number of spots slightly. Yesterday's target NOAA 13906
seems to enter its decay phase and has been flare quiet
since the last message. Also note that a southeast limb
region (S15E89) produced four C-class activities during
the period. Only C-class activities are expected in the
following 24 hours.
The position of NOAA 13912 on December 3 at 04:30 UT is:
S05E24 (-395", -94")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a low level. The largest
event of the period was a C5.5 flare at 16:11 UT
yesterday produced by the target NOAA 13906.
13906 also produced two ~C2 flares. It retains a
beta-gamma/E-type configuration. Further C-class
activities are expected in the next 24 hours.
The position of NOAA 13906 on December 2 at 08:30 UT is:
S16W54 (758", -275")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a low level. The largest event since the
last message was a C9.4 flare at 08:59 UT yesterday produced by
the target NOAA 13906. 13906 also produced six other low C-class
flares. This region retains a beta-gamma/E-type configuration but
decreases the sunspot area and number of spots. Today we will
continue to watch this region. Further C-class activities are expected
in the following 24 hours.
The position of NOAA 13906 on December 1 at 12:30 UT is:
S16W42 (627", -278")
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 (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a low level for the past 24 hours.
The largest event of the period was a C5.6 flare at 05:56 UT
today produced by NOAA 13906. 13906 also produced another
seven C-class flares in the period. The other low C-class flares
were produced by some other regions, e.g., NOAA 13902 and
13905 etc. Yesterdays' target NOAA 13912 was designated to
be a beta/D-type configuration and has been flare quiet since
the last message. Today the target will switch to NOAA 13906
due to its flare history, which has a beta-gamma/E-type sunspot
group. Further C-class flares are expected in the next 24 hours.
The position of NOAA 13906 on November 30 at 08:30 UT is:
S16W26 (411", -282")
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 (Purple Mountain Observatory)