MM#009 Default HESSI Target
Dear RHESSI Collaborators,
The visible solar disk is very quiet. Target region NOAA 1525
is mostly unchanged maintaining a simple D-type/beta classification
No significant flare events expected anytime soon.
The position of NOAA 1525 on July 21 at 15:00 UT is:
S20W00 (Solar X = 000", Solar Y = -400")
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,
NOAA 1520 has completed west limb passage. The new target
is a small C-type/beta region located in the southeastern quadrant.
A C-class event is possible in the next 24 hour period.
The position of NOAA 1525 on July 20 at 17:00 UT is:
S21E13 (Solar X = -198", Solar Y = -411")
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,
Target region NOAA 1520 was the source of a major M7.7 event
at 07/19/05:58 UT. 1520 was too close to the limb to ascertain
its magnetic configuration immediately prior to the event
but at the last evaluation it was maintaining a beta-gamma
configuration during decay phase. Due to the
location of the region at the west limb, the x-ray
event was partially occulted. There is a beautiful system of
post flare loop-type prominences currently visible on the
southwest limb. It is unlikely that 1520 will produce another
significant event in the next 24 hour period but it is currently
the most interesting target today.
The position of NOAA 1520 on July 19 at 15:00 UT is:
S17W91 (Solar X = 902", Solar Y = -273")
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,
The target region, NOAA 11520, was the source of a long-duration M1.7 flare
which began at 12:03 UT yesterday and which was associated with a fast CME.
The region retains its beta-gamma configuration as it approaches the
western limb. Further C-level activity expected with chance for another
isolated low M-class flare before west limb passage.
The position of NOAA 11520 on 18-Jul-2012 at 10:00 UT is:
S17W81, ( 891", -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,
Ryan Milligan (QUB)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Target region NOAA 1520 has continued in decay phase during
the past 24 hours. At this time, there is a very large
long-duration flare located in the eastern portion of 1520.
At 16:07 UT the event is in progress at the C9.8 level.
Similar activity is possible in the next 24 hour period.
The position of NOAA 1520 on July 17 at 15:00 UT is:
S16W67 (Solar X = 836", Solar Y = -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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
NOAA 1520 continues in decay phase declining in sunspot
count and area. It also appears to have lost its magnetic complexity
resulting in a new simple E-type/beta region classification.
The target position today includes NOAA 1519 located just
west of 1520. C-class events probable with only a slight
chance of an isolated M-class event in the next 24 hours.
The position of NOAA 1520/1519 on July 16 at 15:00 UT is:
S17W62 (Solar X = 779", Solar Y = -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,
Bill Marquette (Helio Research)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
NOAA 1520 continues in decay phase and was quiescent
during the past 24 hours. The large central penumbra
is breaking apart in addition to significant loss of
sunspot count and area. 1520 is now classified
as an E-type/beta-gamma region. There is a large dark
active filament located in the region's central portion.
A major flare is still possible but less likely in the next
24 hour period.
The position of NOAA 1520 on July 15 at 15:00 UT is:
S17W44 (Solar X = 628", Solar Y = -325")
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#003 Major Flare Watch
Dear RHESSI Collaborators,
NOAA 1520 decayed slightly losing sunspot area and sunspot
count but is maintaining an F-type/beta-gamma-delta sunspot
group classification. 1520 produced C-class events and a
low-level M-class event during the past 24 hour period.
There remains a possibility of 1520 producing another
major flare =/>M5 in the next 24 to 48 hours.
The position of NOAA 1520 on July 14 at 15:00 UT is:
S16W32 (Solar X = 482", Solar Y = -318")
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#003 Major Flare Watch
Dear RHESSI Collaborators,
NOAA 1520 has decayed somewhat following the X1.4 event.
The delta configuration has weakened since the last message
but the region's sunspot group is still classified as a large
F-type group with a beta-gamma-delta magnetic configuration.
1520 maintains the potential to produce an M-class event with
the possibility of an event =/>M5 in the next few days.
The position of NOAA 1520 on July 13 at 15:00 UT is:
S16W18 (Solar X = 281", Solar Y = -324")
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#003 Major Flare Watch
Dear RHESSI Collaborators,
NOAA 1520 increased its magnetic complexity after briefly
displaying slight decay during the past 24 hour period.
The region currently has a large F-type/beta-gamma
sunspot group with a magnetic delta configuration.
1520 was the source of a major X1.4 flare at 07/12/16:52 UT.
Another major flare, =/>M5 is possible in the next
24 to 48 hours.
The position of NOAA 1520 on July 12 at 15:00 UT is:
S17W03 Solar X = 047", Solar Y = -341")
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)