Dear Collaborators,
Solar activity is currently at a low-to-moderate level. The coronal loops
of NOAA 12838 have fully rotated out of view over the North West limb and
so the Major Flare Watch comes to an end. The small region that emerged
yesterday in the North East quadrant has now been numbered as NOAA 12839
(and designated as a beta/C-type sunspot group), but has been flare-quiet
for more than 24 hours since a C1.3 flare on 4-Jul-2021 at 07:52 UT. NOAA
regions 12835 and 12836 both decayed over the past 24 hours, with 12835
newly designated as a beta/D-type group and 12836 losing its spots to be
classified as plage. Despite having no sunspots, the plage that was NOAA
12836 becomes the target region because it produced the largest flare of
the period (a C1.7 flare on 5-Jul-2021 at 18:37 UT). Larger field-of-view
observations may wish to also include part of the nearby NOAA 12835 due
to it retaining its spots. Additional low C-class activity is possible in
the following 24-hour period.
The approximate position of this region on 5-Jul-2021 at 20:30 UT is:
S26W75 , ( 820", -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,
Shaun Bloomfield (Northumbria University)
Dear Collaborators,
The target limb region has been numbered as NOAA 12838 and
was the source of an X1.5 flare plus two low M-class flares (M1.0
and M1.5) in the past 24 hours. This region has rotated beyond
the west limb with some overlying loops still visible. The Major
Flare Watch will continue for a further 24 hours. There also emerged
a new region (unnumbered yet) in the northeast quadrant which
produced a C1.3 flare. B- and C-class activities are expected with
a chance of additional M-class flare in the next 24 hours.
The position of NOAA 12838 on July 4 at 11:30 UT is:
N24W91 (861", 383")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
Since the message earlier today, the target region on the northwest
limb produced an X1.5 flare at 14:18 UT. At this time we are issuing a
Major Flare Watch. Chance for an additional >M5 flare before the
region transits the western limb.
The approximate position of the target region on 3-Jul-2021 at 11:30 UT is:
N23W80, ( 825", 350" )
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 (Queen's University Belfast)
Dear Collaborators,
There emerged a new region near the north-west limb, which has
produced two C-class flares (C5.7 and C1.9) as well as an M2.7
flare at 07/03/07:04 UT. We will watch this region today although
it is rotating over the west limb. Yesterday's target NOAA 12835
was designated as a beta-delta/D-type region and produced three
B-class flares since the last message. B- and C-class activities are
expected with a chance of another M flare in the next 24 hours.
The approximate position of the target on July 3 at 11:30 UT is:
N23W80 (825", 350")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The target region NOAA 12835 was the source of seven B-class flares
in the past 24 hours, the largest one being a B6.1 at 07/01/09:18 UT.
Please note that another region NOAA 12837 (N17E27, beta/B-type)
also produced two B-class flares (B2.8 and B3.1). NOAA 12835 has
been downgraded to a beta-gamma/E-type region. Additional B-class
activities are expected with a good chance of C-class flares in the next
24 hours.
The position of NOAA 12835 on July 2 at 03:30 UT is:
S18W18 (278", -336")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The target region NOAA 12835 was the source of six B-class flares
as well as two C-class flares (C1.4 and C3.6) in the past 24 hours.
12835 retains its beta-gamma-delta/E-type configuration but still
increases in its sunspot area and number of spots. It continues to
emerge magnetic fluxes in its leading portion. Further C-class activities
are expected with a slight chance of an isolated M-class flare in the
next few days.
The position of NOAA 12835 on July 1 at 03:30 UT is:
S18W03 (47", -337")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The target region NOAA 12835 was the source of eight B-class flares
in the past 24 hours, the largest one being a B8.6 at 06/29/12:32 UT.
12835 now has been designated as a beta-gamma-delta/E-type region,
increasing in the sunspot area and number of spots. If possible, please
also include 12836 (S28E05) in your field of view. More B-class activities
are expected with a good chance of C-class activities (and a slight chance
of an isolated M-class flare) in the next few days.
The position of NOAA 12835 on June 30 at 03:30 UT is:
S18E11 (-171", -335")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The largest event since the last message was a C1.6 at 06/28/18:56 UT
produced by NOAA 12835. 12835 also produced seven B-class flares
during the period. It has now been designated as a beta-gamma/D-type
region increasing in number of spots. Today the target will switch back to
12835, but if possible, please also include 12836 in your field of view.
These two regions are connected by some coronal loops that are rooted
in the active polarities. Further B-class as well as C-class activities are
expected in the next 24 hours.
The position of NOAA 12835 on June 29 at 03:30 UT is:
S18E24 (-366", -330")
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,
Ying Li (Purple Mountain Observatory)
Dear Collaborators,
The largest event since the last message was a C2.0 at 06/28/09:15 UT
from a newly emerged region numbered as NOAA 12836. 12836 actually
has some coronal loops connected with yesterday's target NOAA 12835.
12835 remains a beta/D-type configuration and produced only two B-class
flares during the period. Today the target will switch to NOAA 12836. If
possible, please also include 12835 in your field of view. B-class activities
are expected and additional C-class flares are probable in the next 24 hours.
The position of NOAA 12836 on June 28 at 11:30 UT is:
S27E27 (-382", -463")
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,
Ying Li (Purple Mountain Observatory)
MM#009 Default Target
Dear Collaborators,
Solar flare activity was very low since the last
message. The only reportable event was a minor
B2.4 event at 06/27/01:01 UT produced by target
region NOAA 2835. 2835 has a large E-type/beta
sunspot group. The spot group is magnetically simple
with a negative polarity leader sunspot and a positive
polarity trailing sunspot with only weak mixed polarity
within its intermediate portion. Emerging flux is located
at S26E38 within the trailing portion of an old decaying
spotless plage. The EFR is currently displaying a
B-type/beta sunspot group. B-class events probable
with only a slight chance of an isolated C-class event
in the next 24 period.
The position of NOAA 2835 on June 27 at 14:00 UT is:
S18E44 (Solar X = - 626", Solar Y = -320")
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)