MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Solar flare activity is very low. The background x-ray flux
is currently at the B2.2 level. The east limb target region
was the source of minor B-class events. The largest was
a B6.1 at 09/16/22:22 UT. A moderate-sized leader sunspot
is now visible on the southeastern limb. B-class events probable
with a slight chance of an isolated C-class event but no significant
events expected in the next 24 hours.
The position of the target on September 17 at 10:45 UT is:
S17E85 (Solar X = -910", Solar Y = -287")
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 HESSI Target
Dear RHESSI Collaborators,
Solar minimum conditions prevail. The visible solar disk
is almost spotless. The background x-ray flux is currently
flat lined at the B1.5 level. The target will switch from
region NOAA 1841 (S05E05) to a region located just
beyond the southeastern limb. No significant solar flare
activity is expected any time soon.
The approximate position of the target on Sept. 16 at 13:00UT is:
S14E89 (Solar X = -926", Solar Y = -233")
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)
Dear RHESSI Collaborators,
Solar X-ray flux remains flat at the B1 level with no events of note since
the last message. The target region NOAA 11841 remains unchanged in terms
of both size and complexity. No increase in activity expected over the next
24 hours.
The position of NOAA 11841 on 15-Sep-2013 at 11:35 UT is:
S06E21, ( -341", -210" )
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 activity remains at very low levels. There have been no events of
note since the last message. NOAA 11839 has decayed as it approaches the
western limb. The new target region shall be NOAA 11841, a small bipolar
region in the southeast quadrant. No significant increase in activity
expected over the next 24 hours.
The position of NOAA 11841 on 14-Sep-2013 at 13:05 UT is:
S06E33, ( -518", -199" )
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 has remained steady at the B1 level over the past 24 hours
despite the presence of five numbered activity regions on the visible solar
disk. The current target region, NOAA 11839, retains its beta configuration
and has brightened significantly in H-alpha emission. Slight chance for an
isolated low-level event.
The position of NOAA 11839 on 13-Sep-2013 at 13:05 UT is:
S12W60, ( 809", -255" )
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 activity remains at very low levels. The target region NOAA 11839 was
the source of a sole B2.6 flare at 10:58 UT today. The region has not
developed significantly since emerging but retains its beta configuration.
Slight chance of an additional isolated low level event over the next 24
hours.
The position of NOAA 11839 on 12-Sep-2013 at 13:05 UT is:
S12W48, ( 694", -275" )
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,
Quiet-Sun conditions continue. A new bipolar active region has begun to
emerge in the southwest quadrant. The region is designated as NOAA 11839
and shall be the new target region. Chance for isolated low level events as
the region develops.
The position of NOAA 11839 on 11-Sep-2013 at 13:05 UT is:
S13W35, ( 534", -309" )
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 visible solar hemisphere is almost spotless. NOAA 11838 is in decay and
now only comprises a tiny alpha spot. The only event of note since the last
message was a B4.1 flare at 04:12 UT today, possibly associated with a
small filament eruption to the east of the target region. No additional
activity expected over the next 24 hours.
The position of NOAA 11838 on 10-Sep-2011 at 13:05 UT is:
S04E07, ( -116", -185" )
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 activity remains at very low levels. NOAA 11838 was the source of a
B4.1 flare at 16:29 UT yesterday but remains unchanged in terms of size and
complexity. It shall continue to be the target region although no
significant increase in activity is expected.
The position of NOAA 11838 on 9-Sep-2013 at 13:05 UT is:
S03E19, ( -310", -163" )
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 has decreased to the low B-level with both NOAA 11836 and
NOAA 11837 about to rotate off the visible solar disk. The only remaining
active region is NOAA 11838, a small alpha region in the southeast
quadrant. This shall be the new target region although no increase in
activity is expected.
The position of NOAA 11838 on 8-Sep-2013 at 13:05 UT is:
S05E33, ( -518", -183" )
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)