Dear Collaborators,
NOAA 13354 has now rotated beyond the western limb. A large (~400uh)
alpha sunspot, designated NOAA 13363, has rotated into view on the
southeast limb but has so far remained quiescent. The new target
region shall be NOAA 13359, a beta/D-type active region in the
southwest quadrant. It has been the source of several C-class flares
since the last message, as well as an M4.0 flare at 06:17 UT today.
Further intermediate level activity likely over the next 24 hours.
The position of NOAA 13359 on 7-Jul-2023 at 11:30 UT is:
S21W22, ( 331", -388" )
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,
Ryan Milligan (Queen's University Belfast)
Dear Collaborators,
Solar activity has continued at intermediate levels with NOAA 13354
now behind the northwest limb. The region has produced two partially
occulted M1 flares since the last message and shall remain the target
region for a further 24 hours, although we are ending the Major Flare
Watch campaign at this time. Further C-level activity possible with
slight chance of an isolated low M-class flare.
The approximate position of NOAA 13354 on 6-Jul-2023 at 11:30 UT is:
N15W90, ( 911", 243" )
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,
Ryan Milligan (Queen's University Belfast)
Dear Collaborators,
NOAA 13354 is now on the northwestern limb and has continued to
produce C-level activity since the M1.5 flare yesterday. It remains
classified as a beta-gamma-delta region although its precise size and
magnetic configuration are uncertain at this time. We shall continue
with the Major Flare Watch campaign in effect for a further 24 hours
due to the possibility of an >M5 flare before the region rotates
behind the western limb.
The position of NOAA 13354 on 5-Jul-2023 at 07:30 UT is:
N16W91, ( 906", 260" )
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,
Ryan Milligan (Queen's University Belfast)
Dear Collaborators,
Solar activity has continued at the C-level since the X-class flare
from NOAA 13354 two days ago with events from multiple regions across
the visible solar disk. An M1.4 flare from the target region is also
currently in progress. The region retains its beta-gamma-delta
configuration as it approaches the northwestern limb and the Major
Flare Watch campaign shall remain in effect due to the possibility of
an >M5 flare before west limb transit.
The position of NOAA 13354 on 4-Jul-2023 at 11:30 UT is:
N16W79, ( 890", 250" )
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,
Ryan Milligan (Queen's University Belfast)
Dear Collaborators,
The target region NOAA 13354 was the source of an X1.1 flare at 22:54
UT yesterday. The region retains its beta-gamma-delta configuration
and has increased in area to over 1100uh due to continued flux
emergence in its leading sunspot. As such we are implementing a Major
Flare Watch campaign at this time due to the increased likelihood of
another >M5 flare before the region transits the northwest limb.
The position of NOAA 13354 on 3-Jul-2023 at 11:30 UT is:
N16W65, ( 823", 239" )
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,
Ryan Milligan (Queen's University Belfast)
Dear Collaborators,
Solar activity has been at a moderate level since the last
message. The largest event in the period was an M2.1
compact flare from NOAA 13359 (S20E57, beta/D-type)
at 02:29 UT today. 13359 also produced another M-class
(M1.1) plus five C-class flares in the period. The target
region NOAA 13354 retained a beta-gamma-delta/F-type
configuration and underwent flux emergence in its north-
western portion, which produced a few C-class flares in the
period. The target remains with 13354 due to its magnetic
complexity and past flaring history. More C-class events
are expected in the following 24-hour period, with a good
chance for additional M-class flares.
The position of NOAA 13354 on 2-Jul-2023 at 11:30 UT is:
N13W51 (716", 182")
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 low level. Target region NOAA 13354
decayed slightly in terms of sunspot area and number of
spots over the past 24 hours, but it has remained a high
magnetic complexity (beta-gamma-delta/F-type) with some
mixed polarities in its intermediate and leading portions.
13354 was the most flare-productive region in the period
with being the source of several C-class flares, including
the largest magnitude flare - a C5.8 at 09:51 UT yesterday.
13354 shall continue as the target region. Further C-class
events are expected in the following 24-hour period, with
a chance for an isolated M-class flare.
The position of NOAA 13354 on 1-Jul-2023 at 07:30 UT is:
N13W34 (515", 174")
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,
The level of solar activity is moderate. Target region
NOAA 13354 has remained a beta-gamma-delta/E-type
configuration and increased in size since the last message,
showing mixed polarities in its intermediate and northern
portions. 13354 was the most flare-productive region in the
period with being the source of several C-class flares,
including the largest magnitude flare - an M3.8 at 14:00 UT
yesterday. 13354 shall continue as the target region due to
its high current helicity and magnetic complexity. More
C-class flares are expected over the following 24-hour period,
with a good chance for additional M-class flares.
The position of NOAA 13354 on 30-Jun-2023 at 07:30 UT is:
N15W20 (312", 203")
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-to-low level since the
last message. Yesterday's target region NOAA 13340 retained
a beta-gamma/E-type configuration and only produced two C1
flares in the period. It continues to decay. The largest event in
the period was a C5.5 flare from NOAA 13354 (N14W07) at
18:33 UT yesterday. 13354 remained as the largest sunspot group
on the visible disk, which has increased in magnetic complexity
and been classified as a beta-gamma-delta/E-type configuration
with minor mixed polarities within its intermediate portion. Today
the target shall switch to NOAA 13354. Please note that the nearby
region NOAA 13351 (N21W12, beta/B-type) also produced a C5.0
flare in the period. If possible, please also include NOAA 13351 in
your field of view. Further C-level flares are expected in the following
24 hours, with a chance for an isolated M-class flare.
The position of NOAA 13354 on 29-Jun-2023 at 07:30 UT is:
N14W07 (112", 187")
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 moderate level. Target NOAA 13340 continues to be
classified as a beta-gamma/E-type sunspot group as it approaches the
western limb. 13340 produced multiple C-class as well as two M1 flares
in the period and the largest event was an M1.9 flare at 08:26 UT today.
13340 shall continue as the target region. Please note that NOAA 13354
(N15E07) has been classified as a beta-gamma/D-type configuration with
significantly increasing in the sunspot area and number of spots. It produced
nine low C-class flares during the period. More C-class flares are expected
over the following 24-hour period, with a good chance for additional M-class
flares from NOAA 13340 and 13354.
The position of NOAA 13340 on 28-Jun-2023 at 07:30 UT is:
N23W62 (768", 351")
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)