Dear Collaborators,
Solar activity is at a low-to-moderate level. Target NOAA 13340
grew slightly in terms of sunspot area and number of spots since
the last message, now being classified as a beta-gamma region
with some mixed polarities in the trailing portion. 13340 remained
the most flare-productive region, being the source of multiple
C-class flares and the largest magnitude flare in the period - an
M1.6 at 16:08 UT yesterday. 13340 shall continue as the target
region. Please note that a newly emerged region NOAA 13354
(N15E20, beta/C-type) underwent rapid flux emergence and also
produced two low C-class flares in the period. Further C-class
flares are expected in the following 24-hour period, with a chance
for another M-class flare.
The position of NOAA 13340 on 27-Jun-2023 at 07:30 UT is:
N20W49 (670", 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 has remained at a low level since the last message.
Yesterday's target region NOAA 13341 further decayed in terms of
sunspot area and only produced two C1 flares in the period, while
continuing to be classified as a beta/C-type sunspot group. NOAA 13340
(N23W35, beta-gamma/E-type) was the most flare-productive region
in the period with being the source of 10 C-class flares, including the
largest magnitude flare - a C7.1 at 03:49 UT today. The target will now
switch to NOAA 13340. Please note that NOAA 13337 (N21W65,
alpha/H-type) also produced a high C-class (C6.8) flare at 21:56 UT
yesterday. More C-class flares are expected over the following
24-hour period, with low M-class activity also possible.
The position of NOAA 13340 on 26-Jun-2023 at 07:30 UT is:
N23W35 (499", 341")
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 low. Target region NOAA 13341 decayed
slightly in terms of sunspot area over the past 24 hours, but it has
remained a beta/C-type sunspot group classification. Both NOAA 13337
(a beta/C-type group) and NOAA 13340 (a beta/E-type group) produced
C-class flares in the period, but NOAA 13341 was again the source of
the largest magnitude flare - a C8.5 on 25-Jun-2023 at 12:03 UT. At
this point we terminate the MM#003 Major Flare Watch, although NOAA
13341 remains the default target. More C-class activity is expected
over the following 24-hour period, with a chance for an isolated
M-class flare.
The position of NOAA 13341 on 25-Jun-2023 at 18:00 UT is:
S16W01 , ( 14", -296" )
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 NOAA 13341 was
again stable in terms of sunspot area and number of spots since the
last message, remaining classified as a beta/C-type sunspot group.
NOAA 13337 (a small beta/D-type region) produced the most flares in
the period and the largest magnitude flare - an M1.1 on 24-Jun-2023
at 12:11 UT. The MM#003 Major Flare Watch will continue for a final
24 hours on NOAA 13341 (unless additional activity/growth is seen).
Low M-class flares are possible in the next 24 hours, with a small
chance for an isolated >M5 or X-class flare.
The position of NOAA 13341 on 24-Jun-2023 at 18:00 UT is:
S16E12 , ( -191", -294" )
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 moderate. Target region NOAA 13341
again remained stable in terms of sunspot area and number of spots
since the last message, but has shown some signs of spot separation
while continuing to be classed as a beta/C-type sunspot group. NOAA
13335 (a beta/E-type region) was the most flare-productive region
in the period (at least in terms of flare frequency) with being the
source of multiple C-class flares, but NOAA 13341 still produced a
few C-class flares and the largest magnitude flare - an M4.8 flare
on 22-Jun-2023 at 23:29 UT. The MM#003 Major Flare Watch remains in
effect on NOAA 13341 for another 24 hours. Low M-class flares are
probable over the following 24-hour period, with a chance for a >M5
or X-class flare.
The position of NOAA 13341 on 23-Jun-2023 at 18:00 UT is:
S16E25 , ( -387", -290" )
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 moderate level. Target region NOAA 13341 has
been quite stable in terms of number of spots and spot area since
the last message, but has decreased in its designation of magnetic
complexity to a beta/C-type sunspot group. NOAA 13341 remained the
most flare-productive region, being the source of multiple C-class
flares and the largest magnitude flare in the period - another M1.1
on 22-Jun-2023 at 10:57 UT. NOAA 13341 will continue as the MM#003
Major Flare Watch target for at least another 24 hours. Further low
M-class flares are probable in the next 24 hours, with a chance for
an isolated >M5 or X-class flare.
The position of NOAA 13341 on 22-Jun-2023 at 18:00 UT is:
S15E38 , ( -564", -268" )
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 moderate-to-high. Target NOAA 13341 has
matured since the last message without significant change in number of
spots or spot area, increasing in magnetic complexity to be classified
as a beta-gamma/D-type sunspot group. NOAA 13337, a previously decayed
region that is emerging new spots, produced an M1.0 flare in the period
(on 21-Jun-2023 at 15:31 UT) but NOAA 13341 continued to be the most
flare-productive region with being the source of several C-class flares
and the largest magnitude flare in the period - an M1.1 on 21-Jun-2023
at 12:31 UT. The MM#003 Major Flare Watch will continue on NOAA 13341.
Additional low M-class flares are probable over the following 24-hour
period, with a chance for another >M5 or X-class flare.
The position of NOAA 13341 on 21-Jun-2023 at 18:00 UT is:
S15E48 , ( -680", -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,
Solar activity is at a high level. The target limb region has rotated on
disk and has been designated as NOAA 13341, a beta/C-type sunspot group
at the start of the UT day. Although NOAA 13342 (that is rotating up to
the South West limb) has also produced M-class events, the target remains
on NOAA 13341 and we are initiating a MM#003 Major Flare Watch. This is
because 13341 has just produced an X1.1 flare on 20-Jun-2023 at 16:42 UT.
Further M-class flares are expected in the next 24 hours, with a chance
for another >M5 or X-class flare.
The position of NOAA 13341 on 20-Jun-2023 at 18:00 UT is:
S13E52 , ( -727", -229" )
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 13335
has been stable in spot area and number of spots since the last message,
remaining classified as a beta-gamma/E-type sunspot group. A new region
is in the process of rotating over the South East limb and already shows
spots. This currently unnumbered region has already produced four C-class
and two M-class flares (an M1.4 and an M1.2 on 19-Jun-2023 at 03:37 UT
and 12:06 UT, respectively) that were the largest flares in the period.
The target switches to this new limb region. Additional C-class activity
is expected over the following 24-hour period, with a chance for M-class
flares.
The approximate position of this region on 19-Jun-2023 at 15:00 UT is:
S12E90 , ( -911", -196" )
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 remains unchanged since the last message. There have
been several low C-class flares from multiple regions as well as an
M1.3 flare from NOAA 13336 at 00:25 UT today. NOAA 13335 retains its
beta-gamma/E-type configuration and shall continue as the target
region. Further low-to-intermediate level activity expected from both
it and NOAA 13336 over the next 24 hours.
The position of NOAA 13335 on 18-Jun-2023 at 11:30 UT is:
S15E17, ( -267", -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,
Ryan Milligan (Queen's University Belfast)