Dear RHESSI Collaborators,
Solar activity remains unchanged. NOAA 12692 has now been downgraded
to an alpha region as it approaches the northwest limb. The region
continues to decay but shall remain the target region for a further 24
hours. No significant increase in activity expected.
The position of NOAA 12692 on 28-Dec-2017 at 12:30 UT is:
N17W53, ( 746", 310" )
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 (University of Glasgow)
Dear RHESSI Collaborators,
Solar X-ray flux has remained below the B1 level since the last
message. NOAA 12692 is almost completely spotless but retains bright
H-alpha emission. It shall continue to be the target region although
no significant increase in activity is expected over the next 24
hours.
The position of NOAA 12692 on 7-Dec-2017 at 16:30 UT is:
N18W45, ( 657", 330" )
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 (University of Glasgow)
Dear RHESSI Collaborators,
Quiet-Sun conditions persist. NOAA 12692 has remained quiescent since
the last message and appears to be in decay. It shall continue to be
the target region with a slight chance of an isolated low-level event
over the next 24 hours.
The position of NOAA 12692 on 26-Dec-2017 at 12:30 UT is:
N18W30, ( 465", 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,
Ryan Milligan (University of Glasgow)
Dear RHESSI Collaborators,
Solar activity continues at low levels. The largest event since the
last message was a B1.6 flare at 07:11 UT today from target region
NOAA 12692. The region retains its simple beta configuration with some
polarity mixing in its core. Chance for an additional isolated low
level event over the next 24 hours.
The position of NOAA 12692 on 25-Dec-2017 at 12:30 UT is:
N18W16, ( 256", 337" )
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 (University of Glasgow)
Dear RHESSI Collaborators,
Solar activity continues at very low levels. The largest event since
the last message was a B3.3 at 06:24 UT on December 23 produced
by the target region NOAA 12692. 12692 remains its D-type/beta
classification and continues showing mixed polarities in its leading
and also intermediate portions. Low B-class activities are likely in
the next 24 hours.
The position of NOAA 12692 on December 24 at 02:30 UT is:
N18E02 (-32", 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,
Ying Li (Purple Mountain Observatory / Montana State University)
Dear RHESSI Collaborators,
Solar activity has been at a very low level. The largest event since
the last message was a B3.0 at 11:36 UT on December 22 produced
by the target region NOAA 12692. 12692 remains its D-type/beta
configuration. It is showing some mixed polarities in its leading portion.
Low B-class activities are possible in the next 24 hour period.
The position of NOAA 12692 on December 23 at 04:30 UT is:
N18E13 (-209", 333")
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 target region NOAA 12692 was the source of 5 B-class
events since the last message, the largest one being a B7.2
at 01:40 UT on December 22. 12692 has been classified as
a beta/D-type sunspot group. It is showing a positive flux
emergence in its negative leader spots. Additional B-class
activities are expected with a slight chance of low C-class
event in the following 24 hours.
The position of NOAA 12692 on December 22 at 04:30 UT is:
N18E27 (-422", 328")
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 target region has been designated as NOAA 12692 with a
C-type/beta magnetic configuration. 12692 was the source of
four low B-class events, the largest one being a B3.0 at 18:14 UT
yesterday. 12692 continues to show flux emergence especially
in its leading portion. Further B-class activities are expected in
the next 24 hours.
The position of NOAA 12692 on December 21 at 02:30 UT is:
N16E44 (-653", 289")
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 event since
the last message was a B2.4 at 19:52 UT on December 19 produced
by the target plage. The target region is displaying flux emergence.
B-class activities are possible in the next 24 hour period.
The approximate position of the target on December 20 at 02:30 UT is:
N18E58 (-790", 300")
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 extremely low with the GOES soft X-ray
flux at a background level. The visible solar disk is currently very
clear without any spots. No noteworthy activities are expected
in the next 24 hours.
The approximate position of the target on December 19 at 02:30 UT is:
N19E70 (-900", 320")
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)