MM#009 Default HESSI Target
Dear RHESSI Collaborators,
The northeast limb target region (Old NOAA 1429) was the source of two
limb occulted C-class events in the past 24 hour period. The largest
was a C7.7 at 03/29/09:53 UT. Additional C-class events expected with
a good chance of an M-class event as well in the next 24 hours.
The approximate position of the target region on March 29 at 13:30 UT is:
N19E87 (Solar X = -907", Solar Y = 316")
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,
The target will switch from NOAA 1442 to the northeast limb.
Old flare productive NOAA 1429 should return to the visible disk
sometime during the next 24 hour period. The chance of
an M-class event in the next 24 hours is significantly greater.
The approximate position of the target on March 28 at 14:00 UT is:
N18E88 (Solar X = -914", Solar Y = 301")
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,
The target EFR, now re-numbered NOAA 1442, produced
C-class activity in the past 24 hours. The largest was a
C2.7 at 03/26/23:38 UT. The largest event of the period was a C5.3
at 03/27/03:08. Its source region was NOAA 1444 located
just north of 1442. Both regions are maintaining simple
beta magnetic configurations. No significant flare activity
expected from the visible disk regions in the next 24 hour period.
Old NOAA 1429 will return to the visible disk in the next few days.
It has continued to be very active during its far side transit.
The position of NOAA 1442 on March 27 at 13:00 UT is:
N12W09 (Solar X = 147", Solar Y = 308")
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,
The target region will switch to an EFR located just south of NOAA
1444 (N19E05). The EFR has bright H-alpha plage, an
arch-type-filament system and a cluster of many small spots.
It is currently classified a simple beta magnetic configuration.
If possible include NOAA 1444 within your F-O-V. No
significant flare activity expected in the next 24 hour period.
The position of the target on March 26 at 10:00 UT is:
N12E10 (Solar X = -164", Solar Y = 284")
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,
NOAA 11444 and NOAA 11445 have each produced a C-class flare in the last 24
hours. NOAA 11445 maintains its E-type/beta configuration and remains the
dominant sunspot group on the visible hemisphere, and shall continue to be
the target region. Further C-level activity likely with chance for an
isolated low M event.
The position of NOAA 11445 on 25-Mar-2012 at 09:30 UT is:
S24E57, ( -740", -332" )
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 (QUB)
Dear RHESSI Collaborators,
A new region has emerged on the southeast limb and was the source of an M1
flare at 19:34 UT yesterday. The region is designated NOAA 11445 and has an
E-type sunspot group with a beta configuration. Further C-level activity
expected as the region rotates on to the disk with chance for another low
M-class flare.
The position of NOAA 11445 on 24-Mar-2012 at 11:00 UT is:
S24E70, ( -829", -354" )
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 (QUB)
Dear RHESSI Collaborators,
Solar activity continues at low levels with NOAA 11440 now in decay. The
new target region shall be an emerging flux region in the northeast
quadrant designated NOAA 11442. The region appears to have a beta-gamma
magnetic configuration with an east-west polarity inversion line and may
produce some low to intermediate level events if it continues to develop.
The position of NOAA 11442 on 23-Mar-2012 at 12:00 UT is:
N13E42, ( -629", 299" )
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 (QUB)
Dear RHESSI Collaborators,
The emerging flux region in the southwest quadrant has now been designated
as NOAA 11440. The region is classified as a beta-gamma-delta region due to
some polarity mixing in the trailing sunspot but still maintains a low
sunspot area. Several low C-class flares were produced as the region
emerged indicating that further intermediate level activity is likely.
The position of NOAA 11440 on 22-Mar-2012 at 12:30 UT is:
S26W31, ( 452", -331" )
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 (QUB)
Dear RHESSI Collaborators,
Solar activity is at a low level as NOAA regions 11434 and 11435 rotate
towards the South West limb. An unnumbered region is in the process of
emerging in the Southern hemisphere and was the source of a B4.3 flare
on 20-Mar-2012 at 14:50 UT. This region has experienced relatively fast
emergence and seems to be at least a beta magnetic classification (maybe
beta-gamma). C-class activity is possible if the region is confirmed as
having magnetic polarity mixing and/or undergoes further flux emergence.
The approximate position of this region on 21-Mar-2012 at 12:00 UT is:
S26W16, ( 245", -319" )
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,
Shaun Bloomfield (Trinity College Dublin)
Dear RHESSI Collaborators,
NOAA region 11434 has increased in spot area with developing a
second umbra beside its primary trailing spot. This region was
the source of a C3.5 flare on 19-Mar-2012 at 21:55 UT, and is
now classified as a beta/C-type sunspot group. Further C-class
activity is possible in the next 24 hours.
The position of NOAA 11434 on 20-Mar-2012 at 11:00 UT is:
S21W60, ( 780", -288" )
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,
Shaun Bloomfield (Trinity College Dublin)