Dear Collaborators,
Solar activity has been at a low level since the last message, with
the largest event being a C8.7 flare at 11:25 UT yesterday produced
by the target region NOAA 13615. 13615 also produced another
five C-class flares during the period. It remains a beta-gamma-delta/
E-type configuration. Today we continue the Major Flare Watch
on this region due to its growing current helicity. Please note that
another region, NOAA 13614 (N17E11), also produced five C-class
flares including a C8.4 at 13:45 UT today, which has a beta/D-type
sunspot group. Further C-class activities are expected, with a chance
of an isolated flare above M5 in the next few days.
The position of NOAA 13615 on March 22 at 16:30 UT is:
S12E15 (-244", -88")
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 was at a moderate level in the past 24 hours. The
largest event during the period was an M2.0 flare at 22:46 UT
yesterday, produced by the target region NOAA 13615. 13615
also produced ten C-class flares including a C9.0. This region
has been designated as a beta-gamma-delta/E-type configuration,
with increasing the sunspot area but decreasing the number of
spots. It is showing mixed polarities in the intermediate portion.
M-class activities are very likely including an above-M5 flare in
the next one or two days.
The position of NOAA 13615 on March 21 at 08:30 UT is:
S12E34 (-528", -103")
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 high level. The Major Flare Watch
region NOAA 13615 produced an M7.4 flare at 07:23 UT today
plus an M2.1 flare at 23:17 UT yesterday. It also produced five
C-class flares. This region retains a beta-gamma/E-type configuration
but increases in both the sunspot area and number of spots.
Further low M-class flares are expected with a chance of an
additional major flare (>M5) in the next 24-48 hours.
The position of NOAA 13615 on March 20 at 08:30 UT is:
S12E43 (-644", -114")
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 was at a high level in the past 24 hours. The
largest event was an M6.7 flare at 19:02 UT yesterday
produced by the target region, now numbered as NOAA 13615
that has a beta-gamma/E-type configuration. 13615 also
produced an M1.4 flare at 02:24 UT today and more than ten
C-class flares. At this moment we are implementing the MM#003
Major Flare Watch on this region. Low M-class flares are
expected with a chance of an additional flare above M5 in
the next few days.
The position of NOAA 13615 on March 19 at 12:30 UT is:
S12E55 (-773", -132")
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 moderate level. The largest event
since the last message was an M2.8 flare at 03:21 UT today
produced by NOAA 13612 (N22W87) with an Alpha/A-type
configuration. 13612 also produced three ~C5 flares and is now
rotating beyond the west limb. Note that the northeast limb region
mentioned in the two previous messages has been numbered
as NOAA 13614 (N16E63) having an Alpha/H-type sunspot group.
13614 produced an M1.0 flare at 04:06 UT today (plus a C3.1 flare
yesterday). The target region near the southeast limb (unnumbered
yet) generated nine C-class flares, the largest one being a C5.0.
Today we continue to watch this region which has some sunspots
emerging. Further C-class activities are expected with a good
chance of low M-class flares from the target region as well as
NOAA 13614 in the next 24-48 hours.
The approximate position of the target on March 18 at 12:30 UT is:
S13E66 (-860", -180")
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. The largest
event during the period was an M3.5 at 03/16/16:22 UT produced
by a southeast limb region. This limb region also produced an
M1.2 flare at 03/16/21:27 UT and nine C-class flares (including
a C8.2). Today we will switch the target to this limb region.
Yesterday's target, the northeast limb region (N15E86), produced
four low C-class flares. More C-class activities are expected from
these two limb regions, with a chance of additional M-class flares
in the next few days.
The approximate position of the target on March 17 at 12:30 UT is:
S15E87 (-940", -230")
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 since the last message.
The largest event during the period was a C1.8 flare at 12:01 UT
yesterday produced by yesterday's target region NOAA 13599.
13599 has now completely rotated over the west limb. A new region
near the northeast limb generated a C1.4 flare late yesterday, which
is rotating onto the visible disk. Today the target will switch to this
limb region. Additional C-class activities are expected in the next
24-hour period.
The approximate position of the target on March 16 at 08:30 UT is:
N15E90 (-920", 280")
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 relatively low level since
the M1.0 flare yesterday. The largest event during the
period was a C6.0 flare at 05:31 UT today from the
target region NOAA 13599. 13599 also produced six
low C-class flares and its overlying loops are still visible
above the limb. We will watch this region for another
24 hours. Further C-class activities are expected in the
following 24 hours.
The position of NOAA 13599 on March 15 at 08:30 UT is:
S13W91 (939", -217")
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 for the past 24 hours. The largest
event since the last message was an M1.0 flare at 05:52 UT
today, produced by the target region NOAA 13599. 13599 also
produced six C-class flares (including a C6.2) and four high
B-class flares during the period. This region was designated
as a beta/C-type configuration as it is almost rotating over the
west limb. We will watch this region for the next 24 hours.
Additional C-class activities are expected in the following 24-
hour period.
The position of NOAA 13599 on March 14 at 08:30 UT is:
S14W86 (933", -223")
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 to be at low levels. The largest event
since the last message was a C3.9 flare at 03/12/11:14 UT
produced by the target region NOAA 13599. 13599 also
produced another nine low C-class flares during the period.
It retains a beta-gamma-delta/D-type configuration and is
rotating to the west limb. At this moment we end the Major Flare
Watch campaign with the default target still on NOAA 13599.
Further C-class activities are expected in the next 24 hours.
The position of NOAA 13599 on March 13 at 08:30 UT is:
S12W74 (908", -166")
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)