MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Target region NOAA 1719, N11W22, has decayed significantly
losing its magnetic delta configuration. It was the source
of only minor C-class events in the past 24 hours.
NOAA 1718 produced an isolated M3.3 event at 04/12/20:38 UT.
1718 has decayed slightly since the M-class event but remains
a D-type/beta-gamma region with the brightest plage on
the visible disk. The target will switch from 1719 to 1718 today.
There is a chance of another M-class event in the next few days.
The position of NOAA 1718 on April 13 at 13:00 UT is:
N21W54 (Solar X = 723", Solar Y = 394")
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,
The magnetic delta configuration located in the trailing
spot in target region NOAA 1719 has decayed somewhat
after the M6.5 event yesterday but the region is maintaining its
large E-type/beta-gamma-delta sunspot group. Another
event =/>M5 is possible in the next few days if 1719
preserves its complex magnetic configuration.
The position of NOAA 1719 on April 12 at 13:00 UT is:
N10W08 (Solar X = 131", Solar Y = 260")
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 1719 was the source of an isolated M6.5 event
at 04/11/07:16 UT. At this time we are implementing
Max Millennium coordinated observing plan #003
(Region Likely To Produce A Major Flare). 1719 rapidly
developed a magnetic delta configuration located in the
southeastern portion of its reversed polarity D-type/beta-gamma
sunspot group. We will switch to 1719 from NOAA 1718
today. 1718 is maintaining its D-type/beta-gamma sunspot
group and is currently the brightest region on the visible disk.
It is possible that 1719 will produce another major flare =/>M5
in the next few days. 1718 is also capable of producing an
isolated M-class event.
The position of NOAA 1719 on April 11 at 13:00 UT is:
N10E05 (Solar X = -082", Solar Y = 262")
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 flare activity continues at low levels.
Target region NOAA 1718 was the source of several
minor C-class events and NOAA 1719, N10E18,
produced one minor C-class event since the last message.
Both regions have been classified by NOAA as
D-type/beta-gamma. 1719 has a reversed polarity magnetic
configuration. Additional C-class events probable with a
chance of an isolated M-class event as well in the next 24 hour
period.
The position of NOAA 1718 on April 10 at 13:00 UT is:
N21W14 (Solar X = 217", Solar Y = 432")
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 flare activity remains at a low level with only
minor C-class events in the past 24 hours. NOAA
1718 has been the most dynamic since the last message
adding sunspot count and area. It is currently classified
as a D-type/beta-gamma region. Target region NOAA
1719, N07E31 is mostly unchanged and has been quiescent.
The target will switch from 1719 to 1718 today. C-class
events expected with a chance of an isolated M-class
event in the next 24 hour period.
The position of NOAA 1718 on April 09 at 13:00 UT is:
N22W01 (Solar X = 015", Solar Y = 451")
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 flare activity is at low levels. Target region NOAA 1719
and NOAA 1718, N20E12, are currently the most likely regions
on the visible solar disk to produce C-class activity. Both regions
have D-type/beta-gamma sunspot groups. A C-class event is
possible with a slight chance of an isolated M-class event in
the next 24 hour period.
The position of NOAA 1719 on April 08 at 13:00 UT is:
N08E45 (Solar X = -672", Solar Y = 204")
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 1719 increased sunspot count and area and magnetic
complexity. The region is now classified a D-type/beta-gamma.
It was the source of a few low-level C-class events since
the last report. Additional C-class activity is probable with
the chance of another M-class event in the next 24 hour period.
The position of NOAA 1719 on April 07 at 13:00 UT is:
N08E58 (Solar X = -806", Solar Y = 186")
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, now numbered NOAA 1719, was the
source of an isolated M2.2 event at 04/05/17:48 UT.
1719 is currently displaying a disappointing H-type/alpha
sunspot group but it does have mixed polarites in its
non-spot plage. Recently emerged NOAA 1718, N23E37,
is producing low-level C-class activity. It is possible that
1719 will produce another isolated M-class event in the
next 24 hour period.
The position of NOAA 1719 on April 06 at 13:00 UT is:
N08E70 (Solar X = -892", Solar Y = 167")
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 flare activity continues at a low level. The largest
event in the past 24 hours was a limb occulted C2.1
event and associated CME at 04/05/06:50 UT.
The source region is located beyond the northeastern
limb in the location of old NOAA 1692. The target will
switch from NOAA 1711 to the NE limb. Another C-class
event is possible in the next 24 hour period.
The approximate position of the target on April 05 at 12:00 UT is:
N10E88 (Solar X = -944", Solar Y = 169")
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 flare activity is very low. Target region NOAA 1711
is mostly unchanged. 1711 is maintaining its very
large leader sunspot with some minor mixed polarity
located along the eastern edge of its penumbra.
1711 was the source of a minor C1.7 event
at 04/03/18:45 UT. Another C-class event is possible in
the next 24 hours.
The position of NOAA 1711 on April 04 at 13:00 UT is:
S17E16 (Solar X = -253", Solar Y = -182")
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)