Dear Collaborators,
Solar activity continues at a very low level with the soft X-ray flux
below B1. The target region NOAA 12807 remains its beta/C-type
configuration and decays further. The other sunspot region on the
visible solar disk, NOAA 12806, has decayed to a beta/B-type region.
Only low activities are likely in the following 24 hours.
The position of NOAA 12807 on March 5 at 04:30 UT is:
S18E13 (-207", -184")
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 target region NOAA 12807 was the source of a B1.4 flare
at 03/03/13:10 UT (the largest event of the period). 12807 has
been classified as a beta/C-type configuration and seems to
enter its decay phase. Another sunspot region, NOAA 12806,
also had a beta/C-type configuration, which produced a few
A-class events over the past 24 hours. Additional A-class activities
are expected with a chance of a B-class event in the next 24 hours.
The position of NOAA 12807 on March 4 at 04:30 UT is:
S18E26 (-404", -193")
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. Numerous
B-class flares as well as a C1.2 flare were produced by a newly
emerged region, numbered as NOAA 12807 at the beginning of
UT today. 12807 has a beta/D-type configuration and will be today's
target region. Yesterday's target region (now numbered as NOAA
12806) also has a beta/D-type configuration but only produced an
A-class flare in the past 24 hours. Further B-class activities are
expected with a chance of another low C-class flare over the next
24 hours.
The position of NOAA 12807 on March 3 at 04:30 UT is:
S17E40 (-596", -191")
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 remained at ~A3 level since the B1.5 flare
at 03/01/13:07 UT produced by yesterday's target region
NOAA 12804. 12804 has rotated further beyond the west limb.
Today the target will switch to a new emerging flux region in
the southern hemisphere. This new region seems to form some
tiny pores. Only low activities are likely in the next 24 hours.
The approximate position of the target on March 2 at 08:30 UT is:
S30E07 (-90", -400")
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 very low level. The target region
NOAA 12804 produced eight low B-class flares (the largest
one being a B2.2 at 03/01/08:02 UT) since the last message.
12804 remains its beta/D-type classification with significantly
decreasing in the spot area. We will watch this region for a
further 24 hours. Additional low B-class activities are expected
in the following 24 hours.
The position of NOAA 12804 on March 1 at 12:30 UT is:
N18W91 (920", 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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The level of solar activity is low. The target region NOAA 12804 has
rotated up to the North West limb, and at the start of the UT-day it
had remained classed as a beta/D-type sunspot group. This region was
once again the source of B-class activity since the last message, as
well as the largest flare - a C3.9 on 28-Feb-2021 at 06:40 UT. NOAA
12804 will remain the target for the next 24 hours while it rotates
fully over the North West limb. Further B-class activity is expected
in the following 24 hours, with a good chance of another mid-C-class
flare.
The position of NOAA 12804 on 28-Feb-2021 at 20:00 UT is:
N21W85 , ( 900", 354" )
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. The target region NOAA 12804 did not
evolve significantly in the past 24 hours, and remains classified as a
beta/D-type sunspot group. NOAA 12804 has once again produced multiple
B-class flares over the last 24 hours as well as the largest flare - a
C2.7 that occurred on 27-Feb-2021 at 17:51 UT. More B-class flares are
expected in the next 24-hour period, with a chance for another C-class
flare.
The position of NOAA region 12804 on 27-Feb-2021 at 23:30 UT is:
N18W71 , ( 871", 335" )
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 very low. Over the past 24 hours the
target region NOAA 12804 initially grew in spot area before starting
to decay, and remains classified as a beta/D-type sunspot group. The
smaller region NOAA 12805 produced the largest flare of the period
(a B9.5 on 26-Feb-2021 at 07:02 UT) that was accompanied by a weak
eruption. However, NOAA 12805 has now decayed to plage so NOAA 12804
remains the target. Throughout the period 12804 has again produced
multiple B-class flares. More B-class activity is expected over the
following 24 hours.
The position of NOAA region 12804 on 26-Feb-2021 at 23:00 UT is:
N19W59 , ( 790", 357" )
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 very low level. Target region NOAA 12804 has
grown over the past 24 hours to now be classified as a beta/D-type
sunspot group. 12804 has continued to produce multiple low B-class
flares, with the largest being a B4.6 on 25-Feb-2021 at 06:28 UT.
Further B-class activity is expected over the next 24-hour period.
The position of NOAA region 12804 on 25-Feb-2021 at 23:30 UT is:
N19W46 , ( 659", 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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
The level of solar activity is very low. Target region NOAA 12804
has grown slightly in spot area over the past 24 hours while NOAA
12805 has decayed significantly. NOAA 12804 remains classified as
a beta/C-type sunspot group and continues to produce low B-class
flares, the largest being a B2.6 on 24-Feb-2021 at 11:03 UT. More
B-class activity is expected in the following 24 hours.
The position of NOAA region 12804 on 24-Feb-2021 at 22:00 UT is:
N19W32 , ( 487", 411" )
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)