Dear Collaborators,
Solar activity has reached intermediate levels. The largest event
since the last message was a C6.7 flare at 03:16 UT today produced
by an unnumbered region near the southeast limb, where EUV and
coronagraph images show dynamic activity. Today the target shall
switch to this limb region. Yesterday's target region NOAA 13207
(S13E05, beta/C-type) produced only a few low C-class flares, with
signs of decay. A newly emerged region NOAA 13211 (S16W34,
beta/C-type) also produced a few low C-class flares as well as a C6.4
flare at 10:37 UT. Further high C-class activities are probable in the
following 24 hours.
The approximate position of the target region on 5-Feb-2023 08:30 UT
S15E83 (-900", -200")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity remains at low levels. The largest event since
the last message was a C2.9 flare at 16:30 UT on 3-Feb-2023
produced by the target region NOAA 13207. This region was
the most productive and produced 4 C-class events, with the
increasing number of spots. Today the target shall remain this
region. Moreover, NOAA 13206 and an unnumbered plage
region (S17E56) also produced several low C-class flares over
the period. Further C-class activities are expected in the following
24 hours.
The position of NOAA 13207 on 4-Feb-2023 12:30 UT
S12E16 (-263", -102")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has reached a ~C1 level. The largest event since the
last message was a C3.9 flare at 02:31 UT on 3-Feb-2023 produced
by the northwest limb region NOAA 13200. Yesterday's target NOAA
13204 and NOAA 13200 are now beyond the western limb. There were
2 high B-class events from NOAA 13207 which remains a beta/C-type
sunspot group but increases the sunspot area and number of spots.
Today the target will switch back to NOAA 13207, with a possible
increase in activity over the coming days.
The position of NOAA 13207 on 3-Feb-2023 12:30 UT
S12E29 (-463", -112")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity is at low levels. The largest event since the last
message was a C5.8 flare at 04:24 UT on 1-Feb-2023 produced
by NOAA 13204. 13204 produced 4 C-class flares in the past 24
hours, although it was downgraded to a beta/C-type sunspot
configuration. Yesterday's target (NOAA 13207) and other active
regions on the visible solar disk have been quiescent, so today
the target shall switch to NOAA 13204 before it completely rotates
beyond the west limb. Further C-class activities are expected in
the next 24 hours.
The position of NOAA 13204 on 2-Feb-2023 12:30 UT
N24W91 (888", 391")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has returned to low levels. The largest event since
the last message was a C3.1 flare at 16:12 UT on 31-Jan-2023
produced by the target region NOAA 13207. This region was still
the most productive and has produced 10 low C-class flares,
remaining a beta/C-type sunspot group. Today the target shall
still be this region. Moreover, some other active regions (NOAA
13206, 13204) also produced a few low-level events over the
period. Further C-class activities are expected in the next 24 hours.
The position of NOAA 13207 on 2-Feb-2023 12:30 UT
S11E58 (-812", -131")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Solar activity has reached intermediate levels. The largest event
since the last message was a C4.8 flare at 10:46 UT on 31-Jan-2023
produced by the limb target region, which was newly numbered as
NOAA 13207 and was classified as a beta/C-type sunspot group.
This region stays the most productive and has produced 6 C-class
flares. Today the target shall still be this region. Please note that a
plage region (N20E24) also produced 4 low C-class flares during
the period. Further C-class activities are expected in the following
24-hour period.
The position of NOAA 13207 on 31-Jan-2023 12:30 UT
S13E64 (-854", -175")
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,
Qiao Li, 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 11:52 UT on 30-Jan-2023
produced by an unnumbered limb region (S10E89), which has
produced 5 C-class events. Today's target shall switch to this
region because of its recent higher frequency of flaring activity.
Yesterday's target region NOAA 13200 produced only a C1.3 flare,
with signs of decay. Further C-class activities are expected in the
following 24-hour period.
The approximate position of the target on 30-Jan-2023 12:30 UT
S11E88 (-900", -200")
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,
Qiao Li, Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Quiescent solar conditions continue despite the presence of several
numbered active regions on the visible disk. NOAA 13200 was the source
of two ~C1 flares since the last message but has since been downgraded
to an alpha spot. It shall continue as the target region for the next
24 hours although no significant increase in activity is expected at
this time.
The position of NOAA 13200 on 29-Jan-2023 at 08:30 UT is:
N21W20, ( 312", 435" )
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 returned to low levels aside from a few occulted
C-class flares from beyond the northwest limb. The region around the
southwest limb has also remained quiescent since the last message.
NOAA 13200, which is close to the central meridian in the northern
hemisphere, was the source of a C3.4 flare at 11:50 UT today and shall
be the new target region. It is currently classified as a beta/B-type
region and may produce additional isolated low-level events over the
next 24 hours.
The position of NOAA 13200 on 28-Jan-2023 at 12:30 UT is:
N21W08, ( 127", 438" )
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 decreased since the last message with NOAA 13190
and NOAA 13192 now beyond the western limb. There was a C5.3 flare at
07:00 UT today from an apparent spotless region near the southeast
limb, but EUV and coronagraph images show dynamic activity from an
approaching region in the same location. The region around the flare
shall be the new default target with a possible increase in activity
over the coming days.
The approximate position of the target region on 27-Jan-2023 at 12:30 UT is:
S18E86, ( -924", -293" )
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)