Dear Collaborators,
Solar activity has increased slightly since the last message.
The southeast limb target (unnumbered yet) is rotating onto
the visible solar disk and has produced six C-class flares,
including two C6.4 flares that erupted at 06:12 UT and 06:45 UT
today. The target will continue on this region. More C-class
flares are expected in the next 24 hours, with a chance for a
low M-class flare.
The approximate position of the target on 17-Mar-2023 at 08:30 UT is:
S19E83 (-905", -298")
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 a very low level since the last message,
with the GOES soft X-ray flux flat at ~C1 in general. Yesterday's
target region NOAA 13254 (S25W48, beta/C-type) and the neighbouring
NOAA 13250 (S19W42, alpha/A-type) only produced two B8 flares
and have shown signs of decay during the period. Two C1-class flares
occurred in a spotless region (N23W21) located in the northwest to
NOAA 13252 (N13W14, alpha/A-type). Please note that there were
two high B-class flares from behind the southeast limb in the period
and the dynamic loops are visible in EUV images. The target shall
switch to this currently unnumbered region at the southeast limb.
C-class flares are expected over the next 24 hours.
The approximate position of the target on 16-Mar-2023 at 08:30 UT is:
S20E87 (-900", -350")
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 is at a very low level since the last message.
The largest event in the period was a C1.2 flare on 14-Mar-2023
at 22:16 UT produced by NOAA 13254 (beta/C-type) which
produced another C1 and also a high B-class flares. The target
region will stay on NOAA 13254. Please note that NOAA 13250
(S18W32, beta/B-type) also produced a C1.1 flare in the period.
If possible, please also include NOAA 13250 in your field of view.
Further C-class events are likely in the following 24 hours.
The position of NOAA 13254 on 15-Mar-2023 at 16:30 UT is:
S24W38 (544", -303")
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 continued at low levels since the last message.
Yesterday's target region NOAA 13245 (S23W64) was quiescent
during the period and has been downgraded to an alpha/H-type
sunspot group. The largest event in the past 24 hours was a C3.0
flare at 05:52 UT today produced by NOAA 13250 (S18W15,
beta/D-type) which was also the source of another C1 flare. The
nearby region NOAA 13253 (S29W22) was more active, producing
one high B- and two low C-class flares today, with emerging new
sunspots in the period. 13253 continues to undergo positive flux
emergence and shall be the new target. If possible, please also
include NOAA 13250 in your field of view. Further C-class activities
are expected in the following 24 hours.
The position of NOAA 13253 on 14-Mar-2023 at 12:30 UT is:
S29W22 (317", -367")
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 remains at a low level. The largest event since the last
message was a C3.1 flare at ~09:50 UT today from a quiet-Sun region
(between NOAA 13252 and 13246) in the northern hemisphere due
to a filament eruption. The target region NOAA 13245 has been stable,
maintaining a beta/C-type sunspot group. Only C-class activities are
likely in the next 24 hours.
The position of NOAA 13245 on March 13 at 12:30 UT
S23W51 (692", -304")
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,
The level of solar activity is low. Target region NOAA 13245 has
remained stable since the last message, maintaining a beta/C-type
sunspot group designation. NOAA 13245 continued to produce C-class
activity in the form of two C1 flares, while the largest flare in
the period was a C3.2 on 12-Mar-2023 at 07:02 UT from a small flux
region between and to the South of NOAA regions 13247 and 13250.
The target will stay on NOAA 13245 for now. Further C-class flares
are expected over the following 24-hour period.
The position of NOAA 13245 on 12-Mar-2023 at 18:30 UT is:
S23W41 , ( 585", -291" )
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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
Solar activity is at a low level. Target region NOAA 13245 decayed
since the last message, decreasing in magnetic complexity to now
be classified as a beta/C-type sunspot group. NOAA 13245 continued
to be the most flare-productive region on disk being the source of
multiple C-class flares, including the largest flare (a C4.9 flare
on 11-Mar-2023 at 00:55 UT). More C-class flares are expected in
the next 24 hours.
The position of NOAA 13245 on 11-Mar-2023 at 17:00 UT is:
S23W27 , ( 408", -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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
The level of solar activity is low. Target region NOAA 13245 decayed
in terms of spot area since the last message but remained classified
as a beta-gamma/E-type sunspot group. This region continued to be the
source of C-class flares in the period including the largest flare,
a C7.1 flare on 10-Mar-2023 at 06:42 UT. Additional C-class activity
is expected in the following 24-hour period, with a chance for a low
M-class flare.
The position of NOAA 13245 on 10-Mar-2023 at 20:30 UT is:
S24W18 , ( 275", -285" )
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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
Solar activity is at a low-to-moderate level. Target region NOAA 13242
has decayed slightly since the last message, losing its delta spot but
developing internal polarity mixing to be classified as a beta-gamma/
E-type sunspot group. NOAA 13242 continued to produce C-class events
in the period. NOAA 13245 grew in terms of sunspot area and complexity
to be reclassified as a beta-gamma/D-type sunspot group also producing
C-class events as well as the largest magnitude flare - an M1.3 flare
on 8-Mar-2023 at 22:35 UT. NOAA 13245 becomes the new target region.
Further C-class activity is expected over the next 24 hours, with a
good chance for a low M-class flare.
The position of NOAA 13245 on 9-Mar-2023 at 15:00 UT is:
S23W01 , ( 17", -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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
The level of solar activity is low-to-moderate. Target region NOAA
13243 has now rotated fully out of view over the North West limb.
Several spotted regions were the source of C-class activity since
the last message, but NOAA 13242 (classed as a beta-delta/E-type
sunspot group) produced the largest magnitude flare - an M1.2 on
8-Mar-2023 at 09:53 UT. At this point the MM#003 Major Flare Watch
comes to an end. More C-class flares are expected in the following
24-hour period, with a chance for another low M-class.
The position of NOAA 13242 on 8-Mar-2023 at 20:00 UT is:
N10W13 , ( 216", 285" )
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,
Shaun Bloomfield (Northumbria University)