Dear RHESSI Collaborators,
The visible solar disk remains spotless. The GOES soft X-ray
flux has been flat at the ~A4 level. The target was quiescent
in the past 24 hours. No noteworthy activities are likely in the
next 24 hours.
The approximate position of the target on December 18 at 02:30 UT is:
N16E60 (-850", 250")
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 / Montana State University)
Dear RHESSI Collaborators,
Solar activity continues at an extremely low level. The GOES soft
X-ray flux has been at a background level (~A4), and the visible solar
disk remains spotless. No noteworthy activities are expected in the
next 24 hour period.
The approximate position of the target on December 17 at 02:30 UT is:
N15E72 (-900", 250")
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 / Montana State University)
Dear RHESSI Collaborators,
The visible solar disk remains spotless. The GOES soft X-ray flux
has been flat at the ~A4 level since the last message. The target
region is still beyond the east limb with some overlying loops visible.
Only minor activities are possible in the following 24 hours.
The approximate position of the target on December 16 at 04:30 UT is:
N14E88 (-920", 220")
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 / Montana State University)
Dear RHESSI Collaborators,
Solar activity continues at very low levels. The largest events since
the last message were two B1.2, one at 2017/12/14/05:10 UT from
yesterday's target plage (S07E25) and the other at 2017/12/14/21:28 UT
from the northeastern limb. Today we will switch the target to the limb
region. Low level activities are likely in the next 24 hours.
The approximate position of the target on December 15 at 04:30 UT is:
N13E88 (-920", 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,
Ying Li (Purple Mountain Observatory / Montana State University)
Dear RHESSI Collaborators,
Solar activity has been at a very low level since the last message.
The largest event of the period is a B1.2 at 21:41 UT on December
13 from a plage region (S08E43). Yesterday's target NOAA 12691
has decayed to a plage region, and the solar disk is spotless now.
Today the target will switch to another plage region in the southeast
quadrant. Only minor activities are likely in the following 24 hours.
The approximate position of the target on December 14 at 04:30 UT is:
S08E35 (-500", -100")
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 / Montana State University)
Dear RHESSI Collaborators,
Solar activity remains at very low levels with the GOES soft
X-ray flux flat at ~A4. The target region NOAA 12691 is currently
the only region with sunspots on the visible disk. 12691 has been
classified as a beta/B-type configuration. Only very minor activities
are possible in the next 24 hour period.
The position of NOAA 12691 on December 13 at 00:30 UT is:
S03E14 (-236", -40")
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 / Montana State University)
Dear RHESSI Collaborators,
Solar activity continues at a very low level. The target region
has been designated as NOAA 12691 with an alpha/A-type
sunspot group. 12691 is showing some small surges in H-alpha
images. Only very minor activities are possible in the next 24 hours.
The position of NOAA 12691 on December 12 at 00:30 UT is:
S03E27 (-443", -43")
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 / Montana State University)
Dear RHESSI Collaborators,
Solar activity remains at low levels. A dynamic loop system has
appeared on the eastern limb which has been accompanied by two low
B-class flares. Its magnetic configuration is uncertain at this time
but it shall be the new target region. Slight chance of additional
isolated low-level events.
The approximate position of the target region on 10-Dec-2017 at 16:30 UT is:
S06E76, ( -939", -100" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
Solar X-ray flux remains below the B1 level. NOAA 12690 has remained
spotless and quiescent since the last message. It shall continue to be
the target region for a further 24 hours although no significant
increase in activity is expected.
The position of NOAA 12690 on 9-Dec-2017 at 16:30 UT is:
N06W56, ( 804", 104" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
The target region NOAA 12690 has remained quiescent since the last
message. It has continued to decay and now appears to be spotless. It
shall remain the target region for a further 24 hours although no
significant activity is expected.
The position of NOAA 12690 on 8-Dec-2017 at 16:30 UT is:
N06W42, ( 650", 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,
Ryan Milligan (NASA/GSFC)