MMmotd

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MM#009 Default Target
by Max Millennium Chief Observer 10 Jan '24

10 Jan '24

Dear Collaborators, Solar activity is at an intermediate level. The target region NOAA 13538 continued to be the most flare-productive region as it approaches the northwest limb, being the source of several low and mid-to-high C-class flares, as well as the largest magnitude event in the period - a C9.6 at 03:18 UT today. NOAA 13538 shall remain the target region due to its recent high flaring productivity. Please note that NOAA 13536 (N06W47, beta-gamma/E-type) and a southeast limb region (unnumbered yet, S20E88) also produced a few mid-to-high C-class flares in the period. More C-class flares are expected, with chance for low M-class flares over the next 24–48 hours. The position of NOAA 13538 on 10-Jan-2024 at 08:30 UT is: N20W72, (872",352") 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, De-Chao Song (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 09 Jan '24

09 Jan '24

Dear Collaborators, Solar activity has slightly diminished since the last message. Yesterday's target region NOAA 13539 was flare quiet, which has been downgraded from a beta-gamma to a beta configuration. NOAA 13538 in the northwest quadrant was the most flare-productive region on the visible disk with ten C-class flares, including the largest magnitude flare in the period - a C5.7 at 15:42 UT yesterday. The target region will switch to NOAA 13538 due to its past flaring history. Additional C-class flares are expected in the next 24 hours, with a slight chance for an isolated low M-class flare. The position of NOAA 13538 on 9-Jan-2024 at 08:30 UT is: N25W59, (759",442") 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, De-Chao Song (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 08 Jan '24

08 Jan '24

Dear Collaborators, Solar activity remains at intermediate levels since the last message. The largest event in the period was a C8.8 flare at 22:11 UT yesterday from a southwestern region, NOAA 13534 (S12W91). The majority of flare activity in the period was from NOAA 13538 (N25W47, beta/C-type), and yesterday's target, NOAA 13536 (N05W25, beta-gamma/E-type). NOAA 13539 retains its beta-gamma magnetic configuration and produced a C7.4 flare just now. This region is still emerging new magnetic fluxes and shall be the new target region. Further C-level activity likely with chance for an isolated low M-class flare in the next 24 hours. The position of NOAA 13539 on 8-Jan-2024 at 08:30 UT is: N11W06, (100",249") 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, De-Chao Song (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 07 Jan '24

07 Jan '24

Dear Collaborators, Solar activity has been at an intermediate level since the last message. The largest event in the period was a C7.1 flare at 15:27 UT yesterday from NOAA 13538 (N21W35), which also produced another over ten C-class flares in the period but now appears to be decaying, reducing in both area and sunspot number. The target region 13536 continues to retain its beta-gamma magnetic configuration and has grown in both area and number of sunspots in the period, being the source of several low-to-mid C-class flares. NOAA 13536 shall remain as the target region due to the magnetic complexity of it and the nearby region NOAA 13539 (N11E07, beta-gamma/D-type). More C-class flares are expected over the next 24 hours, with a slight chance for an isolated low M-class flare. The position of NOAA 13536 on 7-Jan-2024 at 12:30 UT is: N05W12, (202",146") 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, De-Chao Song (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 06 Jan '24

06 Jan '24

Dear Collaborators, Solar activity has slightly increased since the last message. The largest event in the period was a C5.2 flare at 04:31 UT today from NOAA 13538 (N21W19), but this region has been downgraded from a beta-gamma to a beta configuration. Two southeastern limb regions have been numbered as NOAA 13540 and 13541, which has remained active during the period, being the source of several low C-class flares. The target region NOAA 13536 retains its beta-gamma magnetic configuration and also produced a few low-to-mid C-class flares in the period. 13536 shall continue as the default target region due to its magnetic complexity and its past flaring history. Additional C-class flares are expected in the next 24 hours, with a slight chance for an isolated low M-class flare. The position of NOAA 13536 on 6-Jan-2024 at 08:30 UT is: N06E06, (-101",162") 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, De-Chao Song (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 05 Jan '24

05 Jan '24

Dear Collaborators, Solar activity has dropped to low levels since the last message. The largest event in the period was a C3.7 flare at 07:55 UT today, attributed to NOAA 13534 (S15W56, beta/D-type). However, some other flares from the target region NOAA 13536 and a southeastern limb region (S20E88) also contributed to the soft X-ray flux. 13536 retains its beta-gamma magnetic configuration and produced three low C-class flares in the period, while the southeastern limb region was the source of six low C-class flares. Regions NOAA 13537 and 13538, nearby the target NOAA 13536, have now developed to a beta-gamma configuration. At this time we are ending the Major Flare Watch campaign and NOAA 13536 will remain as the target region due to its continued flux emergence and the magnetic complexity of it and its neighboring regions. Further C-class activity is likely, with a slight chance of M-class flares. The position of NOAA 13536 on 5-Jan-2024 at 08:30 UT is: N06E19, (-317",157") 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, De-Chao Song (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 04 Jan '24

04 Jan '24

Dear Collaborators, Solar activity has slightly increased since the last message. The largest event in the period was an M3.9 flare at 01:22 UT today from the target region NOAA 13536, which also produced several C-class flares. 13536 retains its beta-gamma magnetic configuration with fresh flux emergence and shall continue as the target region. The Major Flare Watch shall remain in effect for a further 24 hours due to the possibility of an >M5 flare. The position of NOAA 13536 on 4-Jan-2024 at 12:30 UT is: N06E30, (-486",151") 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, De-Chao Song (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 03 Jan '24

03 Jan '24

Dear Collaborators, Solar activity has slightly diminished since the last message. The target region NOAA 13536 continued to be the most flare-productive region on the visible disk, being the source of several low C-class flares as well as the largest magnitude event in the period - an M1.2 at 18:02 UT yesterday. 13536 is now classified as a beta-gamma region and is showing signs of additional flux emergence along its northern edge. The Major Flare Watch will be extended for a further 24 hours, with a slight chance for an isolated >M5 flare. The position of NOAA 13536 on 3-Jan-2024 at 08:30 UT is: N05E44, (-677",124") 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, De-Chao Song (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 02 Jan '24

02 Jan '24

Dear Collaborators, Solar activity is at a high level. The largest event in the period was an M4.7 flare at 11:54 UT yesterday from the target region NOAA 13536, which also produced over ten C-class flares and has now developed into a beta-delta region. The Major Flare Watch will continue for this region due to its high current helicity and magnetic complexity. More C-class activities are expected, with a good chance of additional M-class flares. The position of NOAA 13536 on 2-Jan-2024 at 08:30 UT is: N06E58, (-824",129") 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, De-Chao Song (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 01 Jan '24

01 Jan '24

Dear Collaborators, Solar activity has been at an intermediate level since the last message. The target region nearby the northeast limb has been numbered as NOAA 13536 with an alpha/H-type magnetic configuration. 13536 continued to be the most flare-productive region on the visible disk, being the source of several low-to-mid C-class flares as well as the largest magnitude event in the period - an M2.4 at 08:33 UT today. The Major Flare Watch shall remain in effect with NOAA 13536 as the target region. Additional low M-class flares are expected with a chance of another >M5 flare in the next few days. The position of NOAA 13536 on 1-Jan-2024 at 08:30 UT is: N05E70 (-914",102") 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, De-Chao Song (Purple Mountain Observatory)

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