MMmotd December 2015

mmmotd@solar.physics.montana.edu

1 participants
30 discussions

MM#009 Default HESSI Target
by Max Millennium Chief Observer 21 Dec '15

21 Dec '15

Dear RHESSI Collaborators, Solar activity is at low-to moderate levels. NOAA 12470 continues to be the largest spotted region on the visible disk, but has remained flare quiet over the past 24 hours. The new region now rotating over the North East limb has continued to produce several C-class flares and two partially occulted M-class flares (an M2.8 on 21-Dec-2015 at 00:52 UT and an M1.1 on 21-Dec-2015 at 10:09 UT). This region is too close to the limb to determine structural or magnetic classification. Further C-class activity is expected, with a good chance for another low M-class flare. The approximate position of this region on 21-Dec-2015 at 15:00 UT is: N04E82, ( -964", 72" ) 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 (Trinity College Dublin)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 20 Dec '15

20 Dec '15

Dear RHESSI Collaborators, Solar activity has increased to the mid C-level since the last message due to a resurgence from NOAA 12470 and the prospect of a new region rotating onto the eastern limb. NOAA 12470 continues to decay but was the source of a C4.5 flare at 21:49 UT yesterday. It shall continue to be the target region with further C-level activity possible. The position of NOAA 12470 on 20-Dec-2015 at 06:35 UT is: N14W12, ( 197", 261" ) 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 19 Dec '15

19 Dec '15

Dear RHESSI Collaborators, Solar activity remains sporadic. The largest event since the last message was a C3.1 flare at 01:59 UT today from NOAA 12468. The target region NOAA 12470 produced a C1.6 flare at 10:40 UT and continues to show signs of decay. Additional isolated low-level events possible. The position of NOAA 12470 on 19-Dec-2015 at 12:35 UT is: N15W01, ( 16", 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 18 Dec '15

18 Dec '15

Dear RHESSI Collaborators, Solar activity has increased slightly since the last message. A C4.6 flare occurred at 04:55 UT today due to interactions between the target region NOAA 12470 and NOAA 12469. The target region itself retains its beta/E-type configuration and may produce additional isolated low-level events over the next 24 hours. Also include NOAA 12469 in your field of view if possible. The position of NOAA 12470 on 18-Dec-2015 at 12:35 UT is: N15E11, ( -180", 274" ) 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 17 Dec '15

17 Dec '15

Dear RHESSI Collaborators, Quiet-Sun conditions continue. The target region NOAA 12470 was the source of two C1 flares today at 05:29 and 12:22 UT. The region appears mostly unchanged in terms of size and complexity since the last message, retaining it's beta/E-type configuration. Additional isolated low-level events possible. The position of NOAA 12470 on 17-Dec-2015 at 12:35 UT is: N14E24, ( -386", 254" ) 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 16 Dec '15

16 Dec '15

Dear RHESSI Collaborators, NOAA 12468 was the source of an unexpected C6.6 flare at 08:34 UT today, due to a possible filament eruption. The target region NOAA 12470 has remained quiescent since the last message, and continues to show signs of decay in its trailing portion. No significant activity expected from the target region over the next 24 hours. The position of NOAA 12470 on 16-Dec-2015 09:35 UT is: N13E37, ( -573", 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 15 Dec '15

15 Dec '15

Dear RHESSI Collaborators, Solar activity remains at very low levels. The target region NOAA 12470 produced a handful of B-class flares since the last message. The overall region appears to be decaying, but the negative polarity leader spots appear to be merging. Only isolated low-level events possible at this time. The position of NOAA 12470 on 15-Dec-2015 at 09:35 UT is: N13E50, ( -729", 229" ) 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, Ryan Milligan (QUB)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 13 Dec '15

13 Dec '15

MM#009 Default HESSI Target Dear RHESSI Collaborators, Target region, now numbered NOAA 2470, has almost completed east limb passage but is still too close to the limb to ascertain its magnetic configuration. 2470 was quiescent in the past 24 hours but C-class events are possible and there is a slight chance of an isolated M-class event in the next 24 hour period. The largest x-ray event in the last 24 hour period was a C5.3 at 12/13/10:34 UT produced by decaying NOAA 2468 (S15E30). The optical event was a double-ribbon flare located on either side of an eruptive filament located on the region's main magnetic inversion line. The position of NOAA 2470 on December 13 at 15:15 UT is: N13E78 (Solar X = -930", Solar Y = 222") 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 HESSI Target
by Max Millennium Chief Observer 12 Dec '15

12 Dec '15

MM#009 Default HESSI Target Dear RHESSI Collaborators, The target region will switch today from NOAA 2468, S14E43, to a large active region located on the northeastern limb just southeast of newly numbered NOAA 2469, N18E77. The new limb region was the source of frequent bright limb surges and numerous C-class events since the last message. C-class events certain with an M-class event likely in the next 24 hour period. The approximate position of the target on Dec. 12 at 15:15 UT is: N13E89 (Solar X = -949", 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 HESSI Target
by Max Millennium Chief Observer 11 Dec '15

11 Dec '15

MM#009 Default HESSI Target Dear RHESSI Collaborators, Target region NOAA 2466, S13W18, is now decaying. The target will switch to NOAA 2468 located in the southeastern quadrant. 2468 was the source of a C1.4 event at 12/11/04:47 UT. The largest event since the last message (C5.6 at 12/11/17:06 UT) was produced by NOAA 2465, S05E15. The interesting optical double-ribbon flare was located within the spotless trailing portion of the region adjacent to a filament occupying the magnetic inversion line. Another C-class event is possible in the next 24 hour period. The position of NOAA 2468 on December 11 at 15:35 UT is: S15E66 (Solar X = -781", Solar Y = -248") 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 December 2015