MM#009 Default HESSI Target
Dear RHESSI Collaborators,
Solar flare activity continues at a very low level. The target
region was the source of B-class events. Additional B-class
activity is possible today.
The position of NOAA 1254 on July 22 at 15:30 UT is:
S24W37 (Solar X = 520", Solar Y = -443")
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 low. The largest event was
B8.3 produced by target region NOAA 1254 at 07/20/15:51 UT.
1254 lost sunspot area in the leading portion but gained penumbral
area in the trailing portion. It currently has a C-type/beta sunspot
group. NOAA located at N25E33 is also developing new flux in
its trailing portion. Both target region 1254 and 1259 may produce
a C-class event in the next 24 hour period.
The position of NOAA 1254 on July 21 at 15:30 UT is:
S22W26 (Solar X = 385", Solar Y = -420")
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 maintaining a low level - only B-class
events in the last 24 hour period. The target region (NOAA 1254)
was the source of most of the B events with the largest
a B7.2 at 07/20/10:00 UT. 1254 is slowly increasing
sunspot area and count. The region has a D-type/beta
sunspot group and is currently displaying a weak
arch-type filament system with minor bright disk surges.
B-class events probable with a slight chance of an isolated
C-class event as well.
The position of NOAA 1254 on July 20 10:30 UT is:
S22W10 (Solar X = 152", Solar Y = -425")
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 target region
produced two B-class events during the last period. NOAA regions
1254, 1257, and 1259 are all capable of producing an isolated
C-class event. The target region will switch from NOAA 1257
now located on the west limb to NOAA 1254 located near
disk center. 1254 was the source of two B-class events.
The largest was a B7.1 at 07/19/11:27 UT. Additional B-class
events probable with a slight chance of an isolated C-class
event as well.
The position of NOAA 1254 on July 19 at 15:30 UT is:
S22E02 (Solar X = -030", Solar Y = -426")
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. The largest x-ray event
was a C1.0 event at 07/18/10:28 UT. Its source region was
NOAA 1254 (S23E14). The target EFR, now numbered
NOAA 1257, produced a B8.0 event at 07/17/19:26 UT.
1257 grew rapidly early in the period but is now in a stable
phase. An isolated C-class event is still possible in the
next 24 hour period.
The position of NOAA 1257 on July 18 at 15:30 UT is:
N19W65 (Solar X = 810", Solar Y = 276")
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 was very low during the last 24 hour period.
NOAA 1254 was the source of the largest x-ray event since the
last report (B6 at 17:05 UT). 1254 continues in slow decay
phase. The target region will switch the an EFR that is
in rapid growth phase. The EFR is displaying bright H-alpha plage
with a strong arch-type filament system. Its sunspot group is
currently a C-type/beta. An isolated C-class event is possible
in the next 24 hour period if the EFR continues to develop.
The position of the target region on July 17 at 13:45 UT is:
N20W50 (Solar X = 682", Solar Y = 278")
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 very low level. NOAA 1250
is in decay phase. The target will switch to NOAA 1254.
1254 is currently a D-type/beta sunspot group. It has
the potential to produce B-class events. No significant
solar flare activity expected in the next 24 hour period.
The position of NOAA 1254 on July 16 at 10:30 UT is:
S22E43 (Solar X = -598", Solar Y = -402")
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. The target region, NOAA 1250,
is slowly decaying. No significant events expected anytime
soon.
The position of NOAA 1250 on July 15 at 10:30 UT is:
S27W13 (Solar X = 189", Solar Y = -490")
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,
Today is the final day of the current ROSA observing campaign. Normal
MM operations resume tomorrow. Thank you to all the instrument
planners and operators who have helped support this campaign.
Solar activity remains at the low B-level. The target region NOAA
11250 continues to grow in size but has remained quiescent as it
crosses the central meridian. Chance remains for some isolated
low-level activity.
The position of NOAA 11250 on 14-Jul-2011 at 09:30 UT is:
S27W02, ( 25", -491" )
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,
There have been a number of B-class flares over the past 24 hours from
NOAA active regions 11247, 11250, and 11251, a new region near the
northeast limb. NOAA 11250 has increased in both size and complexity,
and has a pronounced leader spot, and shall therefore be the new
target region. Good chance for further B-level activity with slight
chance of an isolated C-class event.
The position of NOAA 11250 on 13-Jul-2011 at 13:30 UT is:
S27E10, ( -152", -489" )
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)