Dear Collaborators,
Solar activity has slightly increased to a mid-C level since the
last message. The largest event was a C5.8 flare at 12:56 UT
on 07-Dec-2022 produced by NOAA 13157 that was classified
as a beta/C-type region. 13157 also produced five low C-class
and three high B-class activities in the period. Today the target
shall switch to NOAA 13157. Yesterday's target NOAA 13158
(N24W29) was flare quiet during the period and has decayed to
a beta/C-type configuration. The recently emerged regions in
the northeast quadrant, designated as NOAA 13159 and 13160,
have been classified as alpha/A-type and alpha/H-type configurations
respectively. Further C-level activities are likely over the next 24
hours with a chance for a low M-class flare.
The position of NOAA 13157 on 07-Dec-2022 at 16:30 UT is:
N17E23 (-365", 284")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a very low level. The largest event since
the last message was a C2.0 flare at 16:56 UT on 05-Dec-2022
produced by NOAA 13158. 13158 also produced a C1.6 flare and
had been designated as a beta/D-type configuration with an increase
in the sunspot area and number of spots. Today the target region
shall switch to NOAA 13158. Yesterday's target NOAA 13156 (N24E22)
was flare quiet and has decayed to an alpha/H-type region. The other
three active regions with sunspots on the visible solar disk, NOAA 13153
(beta/F-type), 13155 (beta/D-type), 13157 (beta/D-type) were almost
unchanged in the past 24 hours. Only high B-class and low C-class
activities are expected in the next 24 hours.
The position of NOAA 13158 on 06-Dec-2022 at 12:30 UT is:
N24W14 (215", 394")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at low levels. The largest event since the last
message was a C2.7 flare at 05:18 UT on 05-Dec-2022 produced by
a newly numbered region NOAA 13158 (N24W01) that has a beta/C-type
configuration. 13158 was productive with other two ~C1 and two ~B8
flares during the period. NOAA 13155 (N23W32, beta/D-type) continued
producing low C-class and high B-class events. The target region
NOAA 13156 produced only a C1.9 event at 12/05/01:40 UT and was
classified as a beta/C-type configuration. We shall continue watching
13156 for one more day but also include NOAA 13157 (N16E54,
beta/D-type) in your field of view if possible. Please also note that
NOAA 13153 (S17E26) produced four ~C1 flares, which has a beta/F-type
sunspot group with increasing the sunspot area and number of spots.
Further C-class activities are expected from various regions only with
a slight chance for a low M-class flare in the following 24-hour period.
The position of NOAA 13156 on 05-Dec-2022 at 12:30 UT is:
N25E32 (-469", 408")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a low level since yesterday's M1.2 flare.
The largest event was a C2.0 at 12:30 UT on 04-Dec-2022 produced
by NOAA 13156. 13156 also produced another C1.3 flare plus two
B8 flares. Today we will watch 13156 having a beta/D-type configuration,
but if possible, please also include yesterday's target, now numbered
as NOAA 13157 (N16E65), in your field of view. 13157 was classified
as an alpha/H-type region and was the source of a C1.1 flare. Please
also note that NOAA 13153 (S17E38, beta-gamma/E-type) and
13155 (N22W21, beta/D-type) produced a few C1 flares in the period.
Further C-class activities are expected from various regions with a slight
chance of a low M-class flare in the next 24 hours.
The position of NOAA 13156 on 04-Dec-2022 at 16:30 UT is:
N25E45 (-625", 407")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at a moderate level. A north-east limb
region (unnumbered yet) just produced a very impulsive M1.2
flare at 17:36 UT on 03-Dec-2022. This region was also the
source of nine low C-class flares. Today we will watch this region.
If possible, please also include NOAA 13156 (N25E53) nearby in
the field of view, which has some coronal loops connecting with
the limb target region. 13156 was classified as an alpha/H-type
region and has produced two low C-class flares. Yesterday's target
NOAA 13153 (S17E49) only produced two ~C1 flares in the period
but it now has been designated as a beta-gamma/E-type configuration.
More C-class flares are expected with a chance of additional M-class
flares from the limb target region and also from NOAA 13153 in the
next few days.
The approximate position of the target on 03-Dec-2022 at 16:30 UT is:
N14E89 (-950", 270")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has been at an intermediate level since yesterday's
M1.0 flare. The largest event since the last message was a C8.1
flare at 09:09 UT on 02-Dec-2022 produced by an unnumbered
limb region (N16E81). Yesterday's target region NOAA 13152
produced only a C1.0 event. The recently emerged NOAA 13154
(S38W12) has been classified as a beta/D-type sunspot group.
NOAA 13155 (N22E12) was less productive, which was classified
as a beta/B-type region. NOAA 13153 was productive with 6 C-class
and 2 B-class flares, which was classified as a beta/D-type configuration.
The target region shall switch back to NOAA 13153 because of its
recent higher frequency of flaring activity and increased magnetic
complexity. Further high C-class activities are probable with a chance
for an M-class flare in the following 24-hour period.
The position of NOAA 13153 on 2-Dec-2022 12:30 UT
S19E63 (-821",-322")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has reached intermediate levels. Yesterday's limb
target (S16E89) produced five low C-class flares and four B-class
flares in the period. NOAA 13151 was also productive but has
already rotated beyond the west limb. The largest event since
the last message was an M1.0 flare at 07:04 UT on 30-Nov-2022
produced by NOAA 13152, which was classified as a beta/B-type
region. The target region shall switch to NOAA 13152. Further
C-class activities are expected from 13152 and also from the
south-east limb region (S16E89) over the next 24 hours with slight
chance for an additional low M-class flare.
The position of NOAA 13152 on 1-Dec-2022 12:30 UT
N27W33 (473", 432")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a very low level. The largest event
since the last message was a C2.1 at 06:17 UT on 30-Nov-2022
produced by NOAA 13151. 13151 also produced a C1.3 flare
and has almost rotated beyond the west limb. Yesterday's target
region NOAA 13152 remained stable which was classified as
a beta/C-type configuration. Today the target will switch to an
unnumbered region at the South East limb, which produced a
C1.4 event on 29-Nov-2022 21:16 UT. More C-class activities
are probable in the following 24-hour period.
The approximate position of the target on 30-Nov-2022 12:24 UT
S18E89 (-900", -300")
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, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity continues at a very low level. The largest event
since the last message was a C4.3 flare at 11/29/13:11 UT
produced by NOAA 13147 (S11W91), which is almost rotating
beyond the west limb. NOAA 13151 (S16W80) was the source
of two low C-class flares (C1.1 and C1.7) and is rotating over
the west limb. The target region NOAA 13152 produced a C1.0
and a B8.1 flare during the period. 13152 has been classified
as a beta/B-type region. B-class activities are expected with
low C-class flares probable in the next 24 hours.
The position of NOAA 13152 on November 29 at 12:30 UT is:
N27W12 (180", 426")
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 very low level with the GOES
soft X-ray flux flat at ~B5. There was only a B6.6 flare at
11/28/02:33 UT produced by NOAA 13151 that has a beta/
C-type sunspot group. The target region NOAA 13152 was
also classified as a beta/C-type configuration. It appears to
enter a decay phase. Only B-class or low C-class activities
are expected in the next 24 hours.
The position of NOAA 13152 on November 28 at 04:30 UT is:
N26E07 (-106", 408")
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)