MMmotd January 2024

mmmotd@solar.physics.montana.edu

1 participants
31 discussions

MM#009 Default Target
by Max Millennium Chief Observer 31 Jan '24

31 Jan '24

Dear Collaborators, Solar activity has been still at an intermediate level since the last message. Yesterday’s target region NOAA 13559 produced 6 C-class flares, including the largest magnitude flare (a C5.7 flare at 17:34 UT on 30-Jan-2024), but it has almost rotated beyond the west limb. A newly numbered region NOAA 13567 has been classified as a beta/D-type configuration. It was a source of several low-C flares and has shown signs of additional flux emergence in the period. Today we shall end the Major Flare Watch campaign, and the default target shall switch to NOAA 13567. Further C-class activities are expected in the following 24 hours. The position of NOAA 13567 on 31-Jan-2024 at 08:30 UT is: N20E65 (-830", 371") 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, Qiao Li (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 30 Jan '24

30 Jan '24

Dear Collaborators, Solar activity has become high-to-intermediate levels in the past 24 hours. The target region NOAA 13559 was a source of 2 high-C (C6.0 and C5.9) and 6 low-C flares. 13559 has been downgraded to be a beta-gamma/E-type sunspot group, but its proximity to the limb hampers accurate classification. The looptops of NOAA 13559 shall continue as the target region and the Major Flare Watch will be extended for a further 24 hours, with a slight chance of a partially occulted M-class flare. The position of NOAA 13559 on 30-Jan-2024 at 12:30 UT is: N26W90 (874", 424") 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, Qiao Li (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 29 Jan '24

29 Jan '24

Dear Collaborators, Solar activity has reached a high-M level, due to a long-duration M6.8 flare at 03:54 UT today produced by the target region NOAA 13559. This region also produced an M1.3 plus several C-class flares. It maintains its magnetic complexity with a beta-gamma/F-type configuration, although it rotates towards the North West limb. The target shall continue as NOAA 13559, but we are implementing a Major Flare Watch campaign at this time because of the increased possibility of another >M5 flare within the following 24-48 hours. The position of NOAA 13559 on 29-Jan-2024 at 08:30 UT is: N26W75 (846", 447") 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, Qiao Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 28 Jan '24

28 Jan '24

Dear Collaborators, Solar activity has continued at a low level since the last message. The largest event was a C3.3 flare at 09:36 UT today from NOAA 13561, beyond the South West limb. The region on the visible disk with the most magnetically complex is now NOAA 13559, a beta-gamma/F-type sunspot group. This region also produced 3 low C-class flares in the period and should become the new target. Yesterday’s target NOAA 13560 (S11W68, beta/D-type) was flare-quiet in the period. More C-class activities are expected. The position of NOAA 13559 on 28-Jan-2024 at 12:30 UT is: N26W63 (781", 465") 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, Qiao Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 27 Jan '24

27 Jan '24

Dear Collaborators, Solar activity has been at a low level in the past 24 hours. The largest event since the last message was a C3.0 flare at 19:59 UT on 26-Jan-2024 from NOAA 13560. This region was classified as a beta/D-type configuration and emerged new sunspots, likely to produce high C-class flares in the following few days. 13560 should become the new target. Yesterday’s target NOAA 13561 produced 8 low-C flares but has almost rotated beyond the west limb. Additional C-class activities are expected. The position of NOAA 13560 on 27-Jan-2024 at 12:30 UT is: S22W55 (741", -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, Qiao Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 26 Jan '24

26 Jan '24

Dear Collaborators, Solar activity has slightly decreased since the last message. The largest events in the period are two C9.0 flares (at 00:23 UT and 04:50 UT, respectively) today produced by the target region NOAA 13561. This region was still the most flare-productive during its approach to the South West limb, and it retains a beta-gamma/D-type sunspot group. Today the target shall continue as NOAA 13561 due to its recent flaring history. Additional C-class activities are expected with a slight chance of a low-M flare over the next 24 hours. The position of NOAA 13561 on 26-Jan-2024 at 08:30 UT is: S17W76 (904", -262") 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, Qiao Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 25 Jan '24

25 Jan '24

Dear Collaborators, Solar activity has returned to a moderate level. The target region NOAA 13561 has produced multiple flares, with the largest being an M1.3 flare at 20:44 UT on 24-Jan-2024. 13561 retains a beta-gamma/D-type configuration. Today we shall end the Major Flare Watch campaign but the default target should remain with NOAA 13561. Please also include NOAA 13555 (S12W60, beta/C-type) in your field of view if possible, which was a source of 5 low-C flares. Further C-class activities are expected with a slight chance of a >M5 flare in the coming 24-hour period. The position of NOAA 13561 on 25-Jan-2024 at 12:30 UT is: S17W64 (839", -245") 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, Qiao Li (Purple Mountain Observatory)

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

24 Jan '24

Dear Collaborators, The level of solar activity has slightly decreased since the last message. The largest event was an M4.3 flare at 16:36 UT on 23-Jan-2024 from NOAA 13561. It was the most productive region and the source of multiple low-M flares. 13561 has increased in magnetic complexity to be a beta-gamma/D-type sunspot group, with signs of shearing and additional flux emergence. Today the Major Flare Watch shall switch to NOAA 13561. Yesterday’s target NOAA 13559 only produced a few C-class flares. Further C-class activities are expected over the following 24-48 hours, with a chance of an above M5 flare. The position of NOAA 13561 on 24-Jan-2024 at 08:30 UT is: S17W47 (683", -224") 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, Qiao Li (Purple Mountain Observatory)

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 23 Jan '24

23 Jan '24

Dear Collaborators, Solar activity has been at a high level since the last message. The largest event was an M5.1 flare at 03:09 UT today from the target region NOAA 13559. This region retains a beta-gamma/F-type configuration and still increased in sunspot size and counts, with an area of 360uH. The target shall remain with NOAA 13559, although we are issuing a Major Flare Watch alert at this time due to the increased possibility of another >M5 flare within the next 24-48 hours. The position of NOAA 13559 on 23-Jan-2024 at 12:30 UT is: N27E04 (-60", 522") 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, Qiao Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 22 Jan '24

22 Jan '24

Dear Collaborators, Solar activity has reached a moderate level due to an M1.5 flare at 03:59 UT today produced by the target region NOAA 13559. This region was also the source of multiple C-class flares. It has developed to a beta-gamma/F-type configuration and still experienced the emergence of new magnetic fluxes with mixed polarities. The target shall continue as NOAA 13559 because of its increased magnetic complexity and current level of flaring. Further C-class flares are expected with a chance of another M-class flare in the coming days. The position of NOAA 13559 on 22-Jan-2024 at 08:30 UT is: N27E17 (-254", 517") 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, Qiao Li (Purple Mountain Observatory)

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