MMmotd March 2022

mmmotd@solar.physics.montana.edu

1 participants
31 discussions

MM#003 Major Flare Watch
by Max Millennium Chief Observer 30 Mar '22

30 Mar '22

Dear Collaborators, Today we will implement Max Millennium coordinated observing plan #003 (Region Likely To Produce A Major Flare). The target region NOAA 12975 produced an X1.3 flare at 03/30/17:21 UT and also numerous C-class flares. 12975 remains its beta- gamma-delta/D-type configuration, with slightly increasing in the sunspot area. It continues to show mixed polarities in its intimidate portion. Another major (>=M5) flare is likely in the next few days. The position of NOAA 12975 on March 31 at 03:30 UT is: N13W40 (603", 297") 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 30 Mar '22

30 Mar '22

Dear Collaborators, Solar activity remains at a moderate level since the last message. The target region NOAA 12975 was the source of two ~M1 flares (an M1.0 at 03/29/09:17 UT and an M1.6 at 03/29/21:43 UT) and also numerous C-class flares. Another two regions, NOAA 12978 (S20E54) and 12976 (N14W05), also produced a few C-class flares during this period. 12975 has been classified as a beta-gamma-delta/ D-type region, increasing the sunspot area and number of spots. It continues to emerge new magnetic fluxes in its intermediate portion. Additional low M-class flares remain likely and further C-class activities are expected in the next 24 hours. The position of NOAA 12975 on March 30 at 03:30 UT is: N13W27 (426", 312") 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 29 Mar '22

29 Mar '22

Dear Collaborators, Solar activity has been at a moderate level since the last message. Six low M-class flares were emergent from NOAA 12975, the largest one being an M4.0 at 03/28/10:58 UT. 12975 has been classified as a beta-gamma/D-type region, significantly increasing in its sunspot area. It continues to emerge new magnetic flux in its leading portion. Today we will watch this region. Yesterday's target NOAA 12978 was designated as a beta/E-type region and only produced two C-class flares during the period. Additional M-class flares are probable and more C-class flares are expected in the following 24 hours. The position of NOAA 12975 on March 29 at 07:30 UT is: N13W16 (259", 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, Ying Li (Purple Mountain Observatory)

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MM#009 Default Target
by Max Millennium Chief Observer 27 Mar '22

27 Mar '22

Dear Collaborators, Solar activity continues at a low level. The target region has been numbered as NOAA 12978 with an alpha/H-type configuration. It was the source of a few low C-class flares (including the largest one, a C4.1 at 03/27/23:54 UT). Another region NOAA 12975 (beta/C-type) also produced two ~C1 flares during the period. The leading polarity of the target region is emerging magnetic fluxes. Additional C-class activities are expected in the next 24 hours. The position of NOAA 12978 on March 28 at 03:30 UT is: S15E73 (-888", -215") 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 27 Mar '22

27 Mar '22

Dear Collaborators, The level of solar activity is low. The target region has begun to rotate onto the visible disk, showing a reasonably-sized leading polarity spot with potentially an additional leading polarity spot slightly behind and to the South. Of the numbered spot regions on the visible disk, only NOAA 12975 produced a flare since the last message (and that was a B9.7), while the target region continued producing C-class activity (three in total, including the largest of the period in a C2.4 on 27-Mar-2022 at 10:37 UT). More C-class activity is expected over the following 24-hour period. The approximate position of this region on 27-Mar-2022 at 16:30 UT is: S17E87 , ( -918", -273" ) 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 26 Mar '22

26 Mar '22

Dear Collaborators, Solar activity is at a low level. Target region NOAA 12976 has not evolved significantly since the last message and is now classified as a beta/E-type sunspot group. None of the sunspot regions on the visible disk have produced flares since the last message, while a region currently beyond the South East limb was responsible for a B8.5 and a C2.3 on 26-Mar-2022 at 14:14 and 15:81 UT, respectively. The target changes to this South East limb region. C-class flares are probable in the next 24 hours. The approximate position of this region on 26-Mar-2022 at 18:00 UT is: S21E90 , ( -898", -342" ) 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 25 Mar '22

25 Mar '22

Dear Collaborators, The level of solar activity is moderate. The target region has now been separately numbered as NOAA 12976 and is confirmed as a beta/ D-type sunspot group. This region has continued to produce B-class flares and a C2.6 on 25-Mar-2022 at 02:27 UT. The largest flare of the period instead came from NOAA 12974 - a M1.4 on 25-Mar-2022 at 05:02 UT, with a corresponding CME. However, the target will stay with NOAA 12976 due to 12975 being in an advanced stage of decay. Additional C-class flares are expected over the following 24-hour period. The position of NOAA 12976 on 25-Mar-2022 at 22:00 UT is: N15E52 , ( -733", 316" ) 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 24 Mar '22

24 Mar '22

Dear Collaborators, Solar activity is at a low level. The target region has now rotated onto the visible disk and displays leading and trailing sunspots with mature penumbrae on each. Rather than being independently numbered, these large sunspots have been grouped together under the designation of NOAA 12975 along with the smaller sunspots that rotated on disk ahead of them. NOAA 12975 has been the source of eight C-class flares since the last message, including the largest flare of the period (a C8.1 on 24-Mar-2022 at 01:42 UT), but on inspection all of these originate from the trailing, larger pair of sunspots. The target region focuses on these more Eastern spots in NOAA 12975. Further C-class activity is expected in the next 24 hours. The target position within NOAA 12975 on 24-Mar-2022 at 22:30 UT is: N13E61 , ( -822", 270" ) 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 23 Mar '22

23 Mar '22

Dear Collaborators, The level of solar activity is low. The target region has now rotated onto the visible disk and, although it shows leading and trailing sunspots both with penumbrae (potentially a beta/D-type classification), it has remained unnumbered at the beginning of the UT day. An additional region containing larger sunspots is rotating over the North East limb just slightly behind yesterday's target region. Several of the flares associated to yesterday's target region may have actually come from the new limb-crossing region and it has clearly produced several C-class flares since the last message. The target region switches to the newer (and larger) spot region rotating over the North East limb. Further C-class flaring is expected over the following 24-hour period. The approximate position of this region on 23-Mar-2022 at 23:00 UT is: N13E85 , ( -924", 235" ) 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 22 Mar '22

22 Mar '22

Dear Collaborators, Solar activity is at a low level. The target region has now rotated fully onto the visible disk and shows some small sunspots, but was unnumbered at the start of the UT day. This region appears to have a beta/C-type sunspot group classification and has continued to be the source of B-class flares and a C1.2 flare on 22-Mar-2022 at 10:57 UT. However, the largest flare of the period was a C7.0 on 22-Mar-2022 at 12:15 UT from a new small sunspot region rotating over the North East limb (that also produced a C1.0 on 22-Mar-2022 at 04:07 UT). The MMCO target region switches to the North East limb region, for at least 24 hours until its longitudinal extent and magnetic configuration is better observed. Additional C-class activity is probable in the next 24 hours. The approximate position of this region on 22-Mar-2022 at 18:00 UT is: N13E90 , ( -938", 215" ) 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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MMmotd March 2022