Dear RHESSI Collaborators,
Solar activity is at a low level. NOAA 12665 remains the only spotted
region on the solar disk, and is classified as a beta/D-type sunspot
group. This region has undergone significant flux emergence and spot
formation since the last message, and shows some signatures of mixed
magnetic polarities in its intermediate portion (i.e. gamma Mt Wilson
class). NOAA 12665 has continued to produce B-class activity and the
largest flare of the period - a C1.0 flare on 7-Jul-2017 at 13:37 UT.
Further B-class flares are expected over the next 24 hours, with a
chance for low C-class flares.
The position of NOAA 12665 on 7-Jul-2017 at 18:30 UT is:
S06E54, ( -758", -134" )
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 (Northumbria University)
Dear RHESSI Collaborators,
The level of solar activity is very low. The target region has now
been numbered as NOAA 12665 and was the source of several B-class
flares since the last message. This region was first designated as
an alpha/H-type sunspot group but recent images show a beta/D-type
configuration. More B-class activity is expected in the following
24-hour period.
The position of NOAA 12665 on 6-Jul-2017 at 19:30 UT is:
S05E67, ( -868", -104" )
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 (Northumbria University)
Dear RHESSI Collaborators,
Solar activity is at a very low level. Yesterday's target region is
currently rotating over the South East limb, clearly displaying a
mature leading spot and a smaller spot in very close proximity. It
is not possible to identify an accurate magnetic classification due
to its location close to the limb. B-class flares are likely in the
next 24 hours, with a chance for C-class if the region is confirmed
as being magnetically complex.
The approximate position of this region on 5-Jul-2017 at 18:30 UT is:
S05E90, ( -940", -82" )
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 (Northumbria University)
Dear RHESSI Collaborators,
The level of solar activity is low. The high-lying loops of NOAA 12664
have now completely disappeared from view over the North West limb and
flaring activity has dropped to the low B-class level. STEREO-B images
show that a new region with bright EUV coronal loops should soon rotate
over the South East limb, with some signatures already visible by AIA.
B-class activity is possible in the following 24-hour period.
The approximate position of this region on 4-Jul-2017 at 18:00 UT is:
S10E90, ( -929", -164" )
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 (Northumbria University)
Dear RHESSI Collaborators,
Yesterday's target region NOAA 12664 has now fully rotated over the
North West limb. Despite this, 12664 was the source of an occulted
M1.3 flare on 3-Jul-2017 at 15:37 UT. Although additional occulted
major flares are highly unlikely as 12664 is located further around
the limb, this region will remain the target for a final 24 hours.
B-class flares are expected over the next 24 hours, with a small
chance of a high-C-/low-M-class flare.
The approximate position of this region on 3-Jul-2017 at 21:30 UT is:
N18W90, ( 897", 291" )
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 (Northumbria University)
Dear RHESSI Collaborators,
NOAA 12664 was the source of an impulsive ~B3 flare at around 12:30 UT
today. The region is now on the western limb and likely retains its
alpha configuration. It shall remain the target region for a further
24 hours with chance of an additional isolated low-level event before
west limb passage.
The position of NOAA 12664 on 2-Jul-2017 at 13:30 UT is:
N18W79, ( 881", 282" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
Solar activity continues at very low levels. NOAA 12664 retains its
alpha configuration as it approaches the western limb. It shall remain
the target region although no increase in activity is expected over
the next 24 hours.
The position of NOAA 12664 on 1-Jul-2017 at 15:30 UT is:
N17W67, ( 831", 257" )
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 (University of Glasgow)
Dear RHESSI Collaborators,
Solar activity continues at the sub-B-level. NOAA 12664 has now
decayed to an alpha region and has remained quiescent since the last
message. It shall remain the target region although no significant
increase in activity is expected at this time.
The position of NOAA 12664 on 30-Jun-2017 at 15:30 UT is:
N18W55, ( 736", 266" )
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 (NASA/GSFC)
Dear RHESSI Collaborators,
NOAA 12664 was the source of a long-duration B1.2 flare that began at
12:21 UT yesterday. The sigmoidal flare was associated with a faint
CME. The region itself has continued to decay but shall remain the
target region. No significant activity expected over the next 24
hours.
The position of NOAA 12664 on 29-Jun-2017 at 15:30 UT is:
N18W42, ( 602", 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,
Ryan Milligan (NASA/GSFC)
Dear RHESSI Collaborators,
Solar activity remains at low levels. The largest event since the last
message was a B2.5 flare at 21:09 UT yesterday. It emanated from NOAA
12664, which has begun to decay in terms of its leading sunspot area.
It shall remain the target region with slight chance of an additional
isolated low level event.
The position of NOAA 12664 on 28-Jun-2017 at 15:30 UT is:
N18W28, ( 422", 256" )
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 (NASA/GSFC)