MMmotd

mmmotd@solar.physics.montana.edu

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 11 Mar '24

11 Mar '24

Dear Collaborators, Solar activity has been at a low level since the last message. The largest event during the period was a C5.8 at 08:36 UT today produced by target region NOAA 13599. 13599 retains its beta-gamma-delta/D-type configuration and it seems to continue emerging new magnetic fluxes especially in its trailing portion. Today we will continue the Major Flare Watch campaign on this region. An isolated flare above M5 is still likely in the next 24-48 hours. The position of NOAA 13599 on March 11 at 08:30 UT is: S13W46 (678", -133") 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)

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MM#009 Default Target
by Max Millennium Chief Observer 11 Mar '24

11 Mar '24

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MM#003 Major Flare Watch
by Max Millennium Chief Observer 10 Mar '24

10 Mar '24

Dear Collaborators, The level of solar activity is moderate-to-high. Target region NOAA 13599 has undergone another period of magnetic flux emergence since the last message, growing in spot area and regaining a delta-spot configuration to be classified as a beta-gamma-delta/D-type sunspot group. NOAA 13599 continued as the most flare-productive region on disk with being the source of four C-class flares and the largest magnitude flare in the period, an M7.4 on 10-Mar-2024 at 12:00 UT. At this point we are initiating a MM#003 Major Flare Watch on NOAA 13599 due to its recent growth and flare productivity. Additional C-class activity is expected over the following 24-hour period, with a good chance for another flare >=M5. The position of NOAA 13599 on 10-Mar-2024 at 16:30 UT is: S13W38 , ( 581" , -122" ) 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)

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

09 Mar '24

Dear Collaborators, Solar activity is at a low-to-moderate level. Target region NOAA 13599 has maintained spot area since the last message, but lost the delta configuration to be classified as a beta-gamma/D-type sunspot group. NOAA 13599 continued to produce most flares in the period in the form of several C-class flares as well as the largest magnitude flare, an M1.3 on 8-Mar-2024 at 21:18 UT. More C-class flares are expected in the next 24 hours, with a chance for another M-class flare. The position of NOAA 13599 on 9-Mar-2024 at 16:30 UT is: S12W25 , ( 400" , -91" ) 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)

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

08 Mar '24

Dear Collaborators, The level of solar activity is low. Target region NOAA 13599 has again grew slightly since the last message, but also increased in magnetic complexity through developing a weak delta configuration to be classified as a beta-gamma-delta/D-type sunspot group. NOAA 13599 continued to be the most flare-productive region on the disk by generating six C-class flares in the period, the largest being a C2.7 on 7-Mar-2024 at 23:48 UT. Additional C-class activity is expected over the following 24-hour period, with a chance for a low M-class flare. The position of NOAA 13599 on 8-Mar-2024 at 12:30 UT is: S12W09 , ( 147", -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)

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

07 Mar '24

Dear Collaborators, Solar activity is at a low level. Target region NOAA 13599 grew further in sunspot area since the last message, but has remained classified as a beta-gamma/D-type sunspot group. This region has increased substantially in flare frequency with producing eight C-class flares in the period, including the largest magnitude (a C8.3 flare on 7-Mar-2024 at 06:09 UT. Further C-class activity is expected in the next 24 hours, with a chance for a low M-class flare. The position of NOAA 13599 on 7-Mar-2024 at 16:30 UT is: S12E04 , ( -64", -81" ) 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)

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

06 Mar '24

Dear Collaborators, The level of solar activity is low. Target region NOAA 13599 grew slightly in number of sunspots and spot area since the last message, including developing polarity mixing of its interior spots to now be classified as a beta-gamma/D-type sunspot group (making it the most magnetically complex region). NOAA 13599 has been retrospectively designated as the source of a C1.5 flare in the period 48-24 hours ago (on 5-Mar-2024 at 03:58 UT) but has remained flare-quiet since. Additional C-class flares are expected over the following 24-hour period. The position of NOAA 13599 on 6-Mar-2024 at 12:30 UT is: S13E18 , ( -294", -103" ) 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)

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

05 Mar '24

Dear Collaborators, Solar activity is at a low level. The unnumbered target region has now been designated as NOAA 13602 and was classified as a beta/D-type sunspot group, but has been flare-quiet since the last message. NOAA 13599 (a beta/C-type sunspot group) evolved somewhat in the period in terms of emerging some new flux and consolidating this into more mature trailing polarity spots. Despite being flare-quiet, NOAA 13599 becomes the new target region because it appears to still be emerging magnetic flux. Further C-class flares are expected in the next 24 hours. The position of NOAA 13599 on 5-Mar-2024 at 16:30 UT is: S14E29 , ( -455", -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, Shaun Bloomfield (Northumbria University)

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MM#009 Default Target
by Max Millennium Chief Observer 04 Mar '24

04 Mar '24

Dear Collaborators, The level of solar activity is low. Target region NOAA 13595 continued to decay in number of sunspots and spot area since the last message, but remains classed as a beta-gamma/E-type sunspot group. This region has decreased in flare production but still generated a C1.6 flare on 4-Mar-2024 at 12:00 UT. The most flare-active region since the last message is a new flux emergence region in the North East quadrant that has not yet been numbered by NOAA, being the source of 8 low C-class flares. This new region has now developed small spots in both polarities that are expected to persist, so this becomes the new target region. It is worth noting that the primary bipole axis is highly inclined towards a North-South orientation. More C-class flares are expected over the following 24-hour period. The approximate position of this region on 4-Mar-2024 at 14:00 UT is: N19E35 , ( -527", 408" ) 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)

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MM#009 Default Target
by Max Millennium Chief Observer 03 Mar '24

03 Mar '24

Dear Collaborators, Solar activity remains at a low level. A small number of low C-class flares were produced since the last message, the largest being a C2.9 from NOAA 13598 at 03:47 UT today. NOAA 13595 remains classified as a beta-gamma region with an area of 380 μh. NOAA 13595 will continue to be the target region for the next 24 hours, with a chance for additional C-class activity. The position of NOAA 13595 on 3-Mar-2024 at 12:30 UT is: N20W42, (610",414") 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, Harry Greatorex (Queen's University Belfast)

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