MMmotd June 2021

mmmotd@solar.physics.montana.edu

1 participants
30 discussions

MM#009 Default Target
by Max Millennium Chief Observer 29 Jun '21

29 Jun '21

Dear Collaborators, The target region NOAA 12835 was the source of eight B-class flares in the past 24 hours, the largest one being a B8.6 at 06/29/12:32 UT. 12835 now has been designated as a beta-gamma-delta/E-type region, increasing in the sunspot area and number of spots. If possible, please also include 12836 (S28E05) in your field of view. More B-class activities are expected with a good chance of C-class activities (and a slight chance of an isolated M-class flare) in the next few days. The position of NOAA 12835 on June 30 at 03:30 UT is: S18E11 (-171", -335") 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 Jun '21

29 Jun '21

Dear Collaborators, The largest event since the last message was a C1.6 at 06/28/18:56 UT produced by NOAA 12835. 12835 also produced seven B-class flares during the period. It has now been designated as a beta-gamma/D-type region increasing in number of spots. Today the target will switch back to 12835, but if possible, please also include 12836 in your field of view. These two regions are connected by some coronal loops that are rooted in the active polarities. Further B-class as well as C-class activities are expected in the next 24 hours. The position of NOAA 12835 on June 29 at 03:30 UT is: S18E24 (-366", -330") 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 28 Jun '21

28 Jun '21

Dear Collaborators, The largest event since the last message was a C2.0 at 06/28/09:15 UT from a newly emerged region numbered as NOAA 12836. 12836 actually has some coronal loops connected with yesterday's target NOAA 12835. 12835 remains a beta/D-type configuration and produced only two B-class flares during the period. Today the target will switch to NOAA 12836. If possible, please also include 12835 in your field of view. B-class activities are expected and additional C-class flares are probable in the next 24 hours. The position of NOAA 12836 on June 28 at 11:30 UT is: S27E27 (-382", -463") 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 Jun '21

27 Jun '21

MM#009 Default Target Dear Collaborators, Solar flare activity was very low since the last message. The only reportable event was a minor B2.4 event at 06/27/01:01 UT produced by target region NOAA 2835. 2835 has a large E-type/beta sunspot group. The spot group is magnetically simple with a negative polarity leader sunspot and a positive polarity trailing sunspot with only weak mixed polarity within its intermediate portion. Emerging flux is located at S26E38 within the trailing portion of an old decaying spotless plage. The EFR is currently displaying a B-type/beta sunspot group. B-class events probable with only a slight chance of an isolated C-class event in the next 24 period. The position of NOAA 2835 on June 27 at 14:00 UT is: S18E44 (Solar X = - 626", Solar Y = -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, Bill Marquette (Helio Research)

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MM#009 Default Target
by Max Millennium Chief Observer 26 Jun '21

26 Jun '21

MM#009 Default Target Dear Collaborators, There were several B-class events since the last message. The largest was a B8.6 at 06/25/19:05 produced by target region NOAA 2835. The other B-class events were produced by the former spotless target plage (N14E45) and NOAA 2833 (N24W91). 2835 is mostly unchanged maintaining its D-type/beta sunspot group. B-class events probable with a slight chance of an isolated C-class event in the next 24 hours. The position of NOAA 2835 on June 26 at 10:00 UT is: S18E60 (Solar X =-779", Solar Y = -311") 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 25 Jun '21

25 Jun '21

MM#009 Default Target Dear Collaborators, The target spotless plage is mostly unchanged. The region produced a minor B3.0 event at 06/25/04:56 UT. The largest event in the past 24 hours was a C1.7 at 06/25/14:03 UT produced by NOAA 2833. 2833 is mostly beyond the northwestern limb at N24 degrees. The target will switch to NOAA 2835. 2835 is a D-type/beta sunspot group in growth phase. 2835 was the source of a few B-class events since the last message. B-class events probable with a slight chance of an isolated C-class event in the next 24 hour period. The position of NOAA 2835 on June 25 at 14:30 UT is: S18E72 (Solar X = -855", Solar Y = -303") 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 24 Jun '21

24 Jun '21

MM#009 Default Target Dear Collaborators, Solar flare activity has returned to a very low level. The target region that was the source of the limb occulted C3.4 event yesterday has completed east limb passage. The region has an unusual east-west magnetic inversion line with the trailing polarity located directly north of the leading polarity. There is a single tiny spot located in the trailing portion. B-class events possible with a slight chance of a C-class event in the next 24 hour period. The position of the target on June 24 at 10:00 UT is: N14E75 (Solar X = -886", Solar Y = 220") 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 23 Jun '21

23 Jun '21

MM#009 Default Target Dear Collaborators, The target region (N25E70) has completed east limb passage. It is a decaying spotless plage. The region has been quiet since the B7.8 event yesterday. The target will switch to a new region starting to rotate over the northeastern limb at N14 degrees. It was the source of a limb occulted C3.4 event at 06/23/07:07 UT. The event was associated with a spray prominence and a post flare loop prominence system. Another C-class event is possible with a slight chance of an isolated M-class event in the next 24 hour period. The approximate position of the target on June 23 at 16:00 UT is: N14E87 (Solar X = -915", Solar Y = 227") 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 22 Jun '21

22 Jun '21

MM#009 Default Target Dear Collaborators, Target region NOAA 2833, N24W46, continues to slowly decay. 2833 produced a B3.7 event at 06/22/02:43 UT. A new region located just beyond the northeastern limb was the source of a limb occulted B7.3 event at 06/22/13:14. We will switch to the limb region today. B-class activity probable with an isolated C-class event possible in the next 24 hour period. The approximate position of the target on June 22 at 13:25 UT is: N24E89 (Solar X = -863", Solar Y = 383") 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 21 Jun '21

21 Jun '21

MM#009 Default Target Dear Collaborators, Solar flare activity has been at very low levels since the last message, Target region NOAA 2833 decayed somewhat losing a few of its tiny satellite spots. Minor A- and B-class events possible in the next 24 hour period. The position of NOAA 2833 on June 21 at 14:00 UT is: N24W33 (Solar X = 471", Solar Y =363") 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 June 2021