Dear Collaborators,
Solar activity has been below the B-class level with the visible solar
disk remaining spotless. The target limb region was the source of
several A-class flares in the past 24 hours. The region is still beyond
the east limb. Further low activities are expected in the next 24 hours.
The approximate position of the target on December 11 at 04:30 UT is:
S24E89 (-900", -420")
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 an extremely low level with the visible solar
disk devoid of sunspots. Yesterday's target region NOAA 12904 has
been flare quiet since the last message. Today the target will switch to
a region near the east limb, which produced a long-lasting A7.8 flare
at 12/09/22:47 UT. Some low activities are likely in the next 24 hours.
The approximate position of the target on December 10 at 04:30 UT is:
S25E89 (-900", -420")
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 an extremely low level. The target region
NOAA 12904 was the source of two low A-class flares since the last
message. 12904 has lost its spots and decayed to a plage region.
No notable activities are expected in the next 24 hours.
The position of NOAA 12904 on December 9 at 00:30 UT is:
S26E02 (-30", -426")
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 12904 was the source of three A-class
as well as one B1.8 (at 12/07/18:56 UT) flares in the past 24 hours.
12904 retains its beta/B-type magnetic configuration but decreases
the number of spots. It continues to decay and only A- and B-class
activities are expected in the next 24-hour period.
The position of NOAA 12904 on December 8 at 04:30 UT is:
S26E13 (-197", -428")
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,
NOAA 12898 has completely rotated over the west limb. Today the
target will switch to NOAA 12904, the only region with sunspots on
the visible solar disk at present. 12904 has a beta/D-type configuration
and produced a C1.3 flare at 12/06/06:50 UT and also a B9.6 flare in
the past 24 hours. 12904 appears to enter its decay phase. B-class
activities are probable in the next 24 hours.
The position of NOAA 12904 on December 7 at 04:30 UT is:
S27E26 (-381", -444")
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 12898 produced a limb-occulted C1.6 flare
since the last message. We will watch this region for a final 24-hour
period. Note that NOAA 12904 (S27E42) has been designated as a
beta/B-type configuration and showed an increase in activity. B-class
flare events are expected in the next 24 hours.
The position of NOAA 12898 on December 6 at 04:30 UT is:
S27W90 (880", -440")
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)
MM#009 Default Target
Dear Collaborators,
Target region NOAA 2898 was the source of a limb occulted
M1.4 event at 12/05/07:19 UT. 2898 also produced
numerous occulted C-class events. The largest was a
C7.1 at 12/04/23:59. 2898 is now well beyond the
southwestern limb. We will monitor the limb for at least
the next 24 hour period. The regions on the visible disk
are stable and quiescent. B- and C-class limb occulted
events possible.
The position of NOAA 2898 on December 05 at 13:00 UT is:
S27W89 (Solar X = 868", Solar Y = -442")
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,
Bill Marquette (Helio Research)
MM#009 Default Target
Dear Collaborators,
The target EFR (NOAA 2898) continued in a strong growth
phase during its west limb passage. The EFR was the
source of 8 B-class and 7 C-class events since the last
message. The largest was a C4.2 at 12/04/05:15 UT.
The region is now almost completely beyond the
southwestern limb but it could still produce occulted
C-class activity with even a very slight chance of an
isolated M-class event in the next 24 hour period.
The position of NOAA 2898 on December 04 at 15:00 UT is:
S27W89 (Solar X = 868", Solar y = -442")
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,
Bill Marquette (Helio Research)
MM#009 Default Target
Dear Collaborators,
Target regions NOAA 2900/2898 are now beyond (2900)
and on the west limb (2898). Emerging flux located
in the southern trailing portion of 2898 was the source
of eight B-class events since the last message. The
largest was a B2.8 at 12/03/02:56 UT. The EFR is too
close to the southwestern limb to ascertain its magnetic
classification but it appears to be developing. Additional
B-class events expected with the chance of an isolated
C-class event if the region continues in the growth phase.
The position of the target on December 03 at 15:45 UT is:
S27W77 (Solar X = 846", Solar Y = -444")
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,
Bill Marquette (Helio Research)
MM#009 Default Target
Dear Collaborators,
Target regions NOAA 2900 and 2898 are now rotating
over the southwestern limb. The two regions were the source
of a few minor A- and B-class events in the past 24 hours.
NOAA 2902 increased its magnetic complexity slightly
yesterday with tiny adjacent opposite polarity spots but they
are now decaying losing penumbral area. 2902 produced
seven minor B-class events since the last message.
The default target will continue to be 2900/2898 for today.
Only minor events expected in the next 24 hour period.
The position of NOAA 2900/2898 on December 02 at 15:45 UT is:
S25W75 (Solar X = 853", Solar Y = 292")
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,
Bill Marquette (Helio Research)