MMmotd April 2023

mmmotd@solar.physics.montana.edu

1 participants
20 discussions

MM#009 Default Target
by Max Millennium Chief Observer 20 Apr '23

20 Apr '23

Dear Collaborators, Solar activity is at a low level. Target region NOAA 13282 continues to be the largest spot group on the visible disk and showed maturing intermediate spots in the period. Although NOAA 13282 still classed as a beta/E-type spot group at the start of the UT day this region now has a beta-gamma magnetic configuration. The largest magnitude flare since the last message was a C3.6 on 20-Apr-2023 at 09:17 UT from NOAA 13281. However, the target remains with NOAA 13282 due to its recent increase in magnetic complexity. Further C-class activity is expected over the following 24-hour period. The position of NOAA 13282 on 20-Apr-2023 at 15:00 UT is: N12W24 , ( 385", 276" ) 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 19 Apr '23

19 Apr '23

Dear Collaborators, The level of solar activity is low. The target area at the North East limb has been flare-quiet since the last message. NOAA region 13282 continues to be the largest spot group on the visible disk and showed minor growth in terms of spot area in the period. Although NOAA 13282 decreased in magnetic complexity in its classification that was issued at the start of the UT day - now being a beta/E-type spot group - this region may have redeveloped mixed interior polarities (i.e., returning to a beta-gamma). This region has produced several low C-class flares since the last message and becomes the new target. C-class flares are expected in the next 24 hours. The position of NOAA 13282 on 19-Apr-2023 at 20:00 UT is: N11W14 , ( 229", 266" ) 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 18 Apr '23

18 Apr '23

Dear Collaborators, Solar activity is at a low level. NOAA 13282 remained as the largest spot group on the visible disk, but decayed in terms of sunspot area since the last message. This region retained its classification as a beta-gamma/E-type spot group and was the source of several low C-class flares in the period. The target region remains beyond the North East limb, but produced a footpoint-occulted C1.6 flare on 17-Apr-2023 at 21:43 UT. This limb location remains the target for a further 24 hours. More C-class activity is expected over the following 24-hour period, with a small chance for an M-class flare. The approximate position of this region on 18-Apr-2023 at 15:00 UT is: N24E90 , ( -872", 387" ) 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 17 Apr '23

17 Apr '23

Dear Collaborators, The level of solar activity is low. Target region NOAA 13282 continues to be the largest sunspot group on the visible disk, growing slightly in terms of spot area since the last message. This region is classified as a beta-gamma/E-type sunspot group and was the source of 2 low C-class flares in the period, while the largest flare in the period (a footpoint-occulted C9.1 on 16-Apr-2023 at 17:31 UT, so it would most likely have been an unocculted M-class flare) was produced by a region currently located beyond the North East limb. This limb location becomes the new target. More C-class flares are probable in the next 24 hours, with a small chance for a low M-class flare. The approximate position of this region on 17-Apr-2023 at 18:00 UT is: N24E90 , ( -873", 387" ) 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 16 Apr '23

16 Apr '23

Dear Collaborators, Target region NOAA 3282 developed somewhat in its leading polarity portion. 3282 is maintaining an E-type sunspot group with minor mixed polarities within its intermediate area. 3282 was the source of a few minor C-class events since the last message. NOAA regions 3281 and 3280 also produced minor C-class events during the past 24 hours. The position of NOAA 3282 on April 16 at 14:30 UT is: N12E28 (-441", 278") 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)

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MM#009 Default Target
by Max Millennium Chief Observer 15 Apr '23

15 Apr '23

Dear Collaborators, Target region NOAA 3282 has decayed somewhat in the past 24 hours. The magnetic delta configuration located within the leading polarity sunspot has decayed away. The region still has some minor mixed polarities within the intermediate portion of its E-type sunspot group. NOAA 3282 was the source of numerous C-class events and an isolated M-class event (M1.5 at 04/15/23:27 UT) since the last message. C-class events expected with an isolated M-class possible in the next 24 hour period. The position of NOAA 3282 on April 15 at 15:30 UT is: N11E43 (-642", 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, Bill Marquette (Helio Research)

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MM#009 Default Target
by Max Millennium Chief Observer 14 Apr '23

14 Apr '23

Dear Collaborators, Target region NOAA 3279 (S20E42) was quiescent in the past 24 hour period. The target will switch to NOAA 3282. 3282 is a rapidly developing EFR located in the northeast. The EFR is currently displaying a D-type/beta-gamma sunspot group with a magnetic delta configuration located in its leading portion. 3282 was the source of 5 C-class events and an M1.1 event at 04/14/16:18 UT today. C-class events expected with another M-class event possible in the next 24 hour period. The position of NOAA 3282 on April 14 at 14:30 UT is: N11E57 (-789", 233") 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)

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MM#009 Default Target
by Max Millennium Chief Observer 13 Apr '23

13 Apr '23

Dear Collaborators, Target region NOAA 3272 (S23W10) is mostly unchanged maintaining numerous small sunspots with a weak beta-gamma magnetic configuration. 3272 produced one event since the last message (C8.5 at 04/13/10:43 UT). NOAA region 3279 was the source of 14 C-class events since the last message. The largest was a C6.7 at 04/13/10:56 UT. 3279 has an E-type sunspot group with minor polarity mixing. The target will switch from 3272 to 3279 today. If possible, include NOAA 3281 (S23E75) within your F-O-V. C-class events likely with a slight chance of an isolated M-class event in the next 24 hours. The position of NOAA 3279 on April 13 at 14:30 UT is: S20E55 (-739", -275") 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)

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MM#009 Default Target
by Max Millennium Chief Observer 12 Apr '23

12 Apr '23

Dear Collaborators, Target region NOAA 3272 has decayed somewhat losing some penumbral area. 3272 has an elongated sunspot group with numerous small sunspots with a beta-gamma magnetic configuration. 3272 produced a C5.9 event at 04/11/22:42 UT. A new region located mostly beyond the southeast limb at S23 was the source of a few limb occulted C-class events today. The largest was a C5.2 at 04/12/15:44 UT. This limb region might be the new target tomorrow. C-class events likely with an isolated M-class event still possible in the next 24 hour period. The position of NOAA 3272 on April 12 at 10:30 UT is: S23E05 (-077", -284") 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)

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MM#009 Default Target
by Max Millennium Chief Observer 11 Apr '23

11 Apr '23

Dear Collaborators, Target region NOAA 3276 (S22E66) has a simple C-type/beta sunspot group. The region trailing 3276 is most likely the source of most of the C- and M-class activity in the past few days. Both regions appear to have decayed. The target will switch back to NOAA 3272. 3272 has an E-type/beta-gamma sunspot group with many small sunspots. 3272 produced a few C-class events and an isolated M1.3 at 04/11/10:16 UT since the last message. C-class events likely with an isolated M-class event possible in the next 24 hour period. The position of NOAA 3272 on April 11 at 15:30 UT is: S22E15 (-230", -269") 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)

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MMmotd April 2023