Dear RHESSI Collaborators,
The level of solar activity is low. NOAA region 11793 shows signs of
decay with many of the small surrounding spots losing their penumbrae.
This region has maintained overall spot area and increased in number
of spots, while remaining classified by NOAA as a beta-gamma/E-type
sunspot group. NOAA region 11800 has emerged new magnetic flux over
the past 24 hours, being classified by NOAA as a beta/C-type sunspot
group. This new flux has already formed a more substantial leading
polarity spot, with the trailing polarity spot also growing. This
region produced the largest flare since yesterday's message - a C3.1
flare on 21-Jul-2013 at 08:24 UT. More C-class activity is expected
over the following 24 hours, with a small chance for an isolated low
M-class event if 11800 continues to emerge more magnetic flux.
The position of NOAA 11800 on 21-Jul-2013 at 11:00 UT is:
S09E31, ( -481", -217" )
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 low level. Most of the NOAA regions have
decayed slightly or remained stable. NOAA 11793 continues to be the
largest and most complex region on disk, being classified by NOAA as
a beta-gamma/E-type sunspot group. This region shows some opposite
polarity pores around both the primary leading and primary trailing
spots and was the source of a C2.1 flare on 20-Jul-2013 at 03:34 UT.
Additional C-class events are possible in the next 24 hours, with a
small chance for an isolated low M-class event.
The position of NOAA 11793 on 20-Jul-2013 at 11:00 UT is:
N21E06, ( -93", 264" )
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,
The level of solar activity is low. NOAA region 11791 has continued
to decay over the past 24 hours, decreasing in spot area, number of
spots and being reclassified as a beta/C-type sunspot group. A new
region, designated as NOAA 11800, has rotated over the South East
limb and has been associated with two C2.3 flares on 18-Jul-2013 at
17:56 UT and 19:57 UT. However, the UV flare ribbons of the second
of these flares seem to be located within the currently unspotted
region located further East than NOAA 11800. NOAA 11793 remains the
largest region on disk and has retained a beta-gamma/E-type sunspot
group classification. This region has increased in spot number over
the past 24 hours, and a small positive polarity spot has emerged
over the past 6 hours to the North of the leading negative polarity
spot. Further B-class activity is expected in the following 24-hour
period, with a good chance for C-class events.
The position of NOAA 11793 on 19-Jul-2013 at 11:00 UT is:
N20E18, ( -275", 253" )
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 is at a very low level, with only B-class events over
the past 24 hours. NOAA 11791 has decayed since yesterday's message,
losing its delta spot but regaining a mixed polarity classification
as a beta-gamma/D-type sunspot group. NOAA 11793 continues to be the
largest region on the disk, and is classified as a beta-gamma/E-type
sunspot group. B-class activity is expected over the next 24 hours,
with a chance for C-class events.
The position of NOAA 11793 on 18-Jul-2013 at 10:30 UT is:
N21E31, ( -459", 277" )
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,
The level of solar activity is low. NOAA 11793 has continued to grow
in spot area and number of spots as it rotates further onto the disk,
and is classified by NOAA as a beta-gamma/E-type sunspot group. NOAA
11791 has maintained spot area and number of spots but has decreased
slightly in complexity to a beta-delta/D-type sunspot group. 11791
was the most active of the spotted regions on disk, producing a C1.9
flare on 16-Jul-2013 at 10:10 UT. Further C-class activity is likely
over the next 24 hours, with a very small chance for an isolated low
M-class event.
The position of NOAA 11791 on 17-Jul-2013 at 11:00 UT is:
S14W14, ( 223", -299" )
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 is at a low level. NOAA 11793 has grown in spot area
and number of spots, and has been confirmed as a beta-gamma/E-type
sunspot group classification by NOAA after rotating further on disk.
NOAA region 11791 has maintained spot area and number of spots, with
yesterday's rapid delta spot emergence confirmed by NOAA through its
beta-gamma-delta/D-type sunspot group classification. NOAA 11791 was
the source of 3 C-class events since yesterday's message, the largest
being a C3.6 on 15-Jul-2013 at 10:28 UT. Further C-class activity is
expected over the following 24 hour period, with a chance for a low
M-class event.
The position of NOAA 11791 on 16-Jul-2013 at 09:30 UT is:
S14W01, ( 20", -300" )
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 is at a low level. The region that rotated over the North
East limb is now designated as NOAA 11793. This region is a large dipolar
region with some early indications of polarity mixing between the primary
leading and trailing spots (i.e., beta-gamma magnetic complexity). NOAA
11791 has emerged a positive-polarity spot on the Northern edge of the
maturing negative-polarity trailing spots. These spots appear to share a
common penumbra, which would alter the classification of NOAA 11791 to a
beta-delta/D-type or beta-gamma-delta/D-type sunspot group. This region
produced two C-class flares since yesterday's message, the largest being
a C3.0 on 15-Jul-2013 at 03:11 UT. Further C-class activity is expected
over the next 24 hours, with a chance for an isolated low M-class event
if NOAA 11791 emerges more magnetic flux.
The position of NOAA 11791 on 15-Jul-2013 at 10:30 UT is:
S15E11, ( -178", -313" )
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 is at a very low level. NOAA region 11785 has rotated
up to the Western limb. A new region has rotated over the North East
limb, but proximity to the limb prevents an accurate classification.
NOAA 11791 has increased in spot area over the past 24 hour period
and was the last region to produce notable activity (a C1.4 flare on
13-Jul-2013 at 05:36 UT). This region is classified as a beta/D-type
sunspot group by NOAA. More C-class events are possible in the next
24 hours.
The position of NOAA 11791 on 14-Jul-2013 at 17:00 UT is:
S14E23, ( -354", -292" )
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 low level. NOAA region 11785 has decreased
in spot area and number of spots in the past 24 hours, most likely due
to foreshortening effects as it rotates closer to the West limb. 11785
has retained a beta-gamma/E-type sunspot group classification by NOAA,
and produced a C3.5 flare on 12-Jul-2013 17:16 UT. More C-class events
are possible over the next 24 hours.
The position of NOAA 11785 on 13-Jul-2013 at 11:00 UT is:
S11W74, ( 892", -198" )
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,
The level of solar activity remains low. NOAA 11785 and 11787 have
continued to gradually decay as they rotate towards the West limb.
NOAA 11785 has lost its delta spot configuration and is designated
by NOAA as a beta-gamma/E-type sunspot group. This region was the
source of further C-class events - the largest being a C2.6 flare
on 11-Jul-2013 at 17:49 UT. More C-class activity is probable over
the following 24 hours, with a very small chance for an isolated
low M-class event.
The position of NOAA 11785 on 12-Jul-2013 at 11:00 UT is:
S13W63, ( 821", -242" )
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)