Dear RHESSI Collaborators,
The level of solar activity remains very low, with the background soft
X-ray flux lying around the GOES B1.0/B2.0 level. NOAA active regions
11623 and 11625 have maintained spot area and number of spots, as well
as beta/D-type sunspot group classifications. NOAA region 11623 is the
more active, producing 9 B-class events since yesterday's message (the
largest being a B7.0 flare on 4-Dec-2012 at 01:57 UT). Further B-class
activity is expected, with a chance for a C-class event.
The position of NOAA 11623/11625 on 4-Dec-2012 at 14:30 UT is:
N11W13, ( 216", 180" )
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,
Solar activity remains at a very low level. NOAA regions 11623 and
11625 have both decreased in spot area and number of spots, while
both maintaining simple beta/D-type sunspot group classifications.
A region beyond the North East limb was the source of a C1.1 flare
on 3-Dec-2012 at 00:23 UT. More B-class activity is expected, with
a chance for a C-class event.
The position of NOAA 11623/11625 on 3-Dec-2012 at 11:00 UT is:
N11E02, ( -32", 178" )
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)
MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Solar flare activity was very low in the past 24 hours. The background
x-ray flux is currenty at the B1.5 level. Target regions NOAA 1623/1625
are slowly decaying. Both regions have declined to simple
D-type/beta sunspot groups. C-class events less likely but still possible
in the next 24 hour period.
The position of NOAA 1623/1625 on December 02 at 14:00 UT is:
N11E15 (Solar X = -248", Solar Y = 176")
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 1620 was the source of C-class activity in the past
24 hours. The region has completed west limb passage.
The new target will be "stacked" regions 1623 and 1625.
Both regions have D-type/beta-gamma sunspot groups.
C-class events probable in the next 24 hour period.
The position of NOAA 1623/1625 on December 01 at 14:00 UT is:
N12E28 (Solar X = -449", Solar Y = 192")
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 1620 was the source of C-class activity in the past 24 hours.
The region appears to have lost its delta configuration but remains
a large E-type/beta-gamma region. C-class events probable
with a chance of an isolated M-class event before 1620 completes
west limb passage.
The position of NOAA 1620 on November 30 at 14:00 UT is:
S13W77 (Solar X = 924", Solar Y = -222")
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 1620 is mostly unchanged maintaining its E-type/beta-gamma-delta
sunspot group classification. 1620 produced several C-class events
and an isolated M2.2 event at 11/28/21:36 UT. Additional C-class
activity expected with a chance of another isolated M-class event
possible in the next 24 hours.
The position of NOAA 1620 on November 29 at 14:00 UT is:
S12W65 (Solar X = 863", Solar Y = -209")
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 1620 produced C-class activity and an isolated
M1.0 at 11/27/21:26 UT. The region is maintaining an E-type/beta-gamma
sunspot group with a weak delta configuration located within the
intermediate portion of its sunspot group. C-class events probable
with another isolated M-class event possible in the next 24 hour period.
The position of NOAA 1620 on November 28 at 14:00 UT is:
S12W51 (Solar X = 741", Solar Y = -214")
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 1620 appears to have stabilized its growth. It is currently
classified as an E-type/beta-gamma region. 1620 was the source
of numerous C-class events. The largest was a C5.9 at 11/27/02:15 UT.
The largest event in the past 24 hours was an isolated M1.6
at 11/27/15:57 UT produced by decaying region NOAA 1618 (N08W77).
C-class events probable from both 1620 and 1618 with the chance
of an isolated M-class event in the next 24 hour period.
The position of NOAA 1620 on November 27 at 14:00 UT is:
S13W36 (Solar X = 558", Solar Y = -236")
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 1618, N08W63, continues to slowly decay
and was quiescent. NOAA 1620 continued in strong growth
phase overnight. 1620 is currently a D-type/beta-gamma region.
It was the source of numerous C-class events in the past 24
hours. We'll switch to NOAA 1620 today. Additional C-class
events expected with a slight chance of an isolated
M-class event in the next 24 hours.
The position of NOAA 1620 at 14:00 UT is:
S13W22 (Solar X = 356", Solar Y = -241")
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 1618 is slowly decaying and has been quiescent in
the past 24 hours. The region is maintaining a weak
E-type/beta-gamma-delta sunspot group. NOAA 1620
(S12W08) has switched into growth phase and is currently
the brightest plage on the visible disk. C-class events possible
from both1618 and 1620 in the next 24 hour period.
There is also a chance of an isolated M-class event from 1618.
The position of NOAA 1618 on November 25 at 14:00 UT is:
N08W49 (Solar X = 728", Solar Y = 118")
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)