MMmotd February 2012

mmmotd@solar.physics.montana.edu

1 participants
29 discussions

MM#009 Default HESSI Target
by Max Millennium Chief Observer 29 Feb '12

29 Feb '12

Dear RHESSI Collaborators, Solar activity remains low with no significant events over the past 24 hours. The target region shall revert back to NOAA 11423, the alpha region located along the northern central meridian. The region has remained unchanged in recent days and may only produce isolated, low-level events. The position of NOAA 11423 on 29-Feb-2012 at 10:30 UT is: N17W07, ( 121", 398" ) 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 28 Feb '12

28 Feb '12

Dear RHESSI Collaborators, Solar activity remains low. NOAA 11426 has continued to decay since the last message. The unnumbered plage region in the northeast quadrant has been the source of several B-class flares and shall be the new target region. Further low-level events possible. The position of the target region on 28-Feb-2012 at 10:30 UT is: N09E33, ( -517", 252" ) 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 27 Feb '12

27 Feb '12

Dear RHESSI Collaborators, Solar activity is very low with flares coming from NOAA 11421 and the occulted region on the south-east limb. Two new regions 11425 and 11426 have been named as the former plage region leading 11423/11424. There appears to be some flux emergence occurring in this plage region which may drive solar activity in the coming days. This region will become todays target, although keeping nearby 11423/11424 in view may be prudent. Activity is expected to remain at the B/C level for the next 24 hours. The position of NOAA 11426 on 27-Feb-2012 14:00 UT is: N10 E04, ( -66", 287" ) 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, Claire Raftery (SSL, UC Berkeley)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 26 Feb '12

26 Feb '12

Dear RHESSI Collaborators, Solar activity is very low. There was a single C class flare that originated from the decaying plage of 11421. There appears to be a small amount of emerging flux appearing in the center of this plage region. If this continues to grow, it may produce further activity. However, today's target will continue to be the regions in the north east quadrant. 11423 currently contains the largest spot on the Sun and although 11424 is more decayed than anticipated, it has been producing multiple B class flares and this is expected to continue. This will continue as today's target, hopefully keeping 11423 in the target field also. The position of NOAA 11424 on 26-Feb-2012 16:00 UT is: N08 E42, ( -643" 223" ) 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, Claire Raftery (SSL, UC Berkeley)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 25 Feb '12

25 Feb '12

Dear RHESSI Collaborators, Solar activity remains low with only B class flares being produced. The newly numbered NOAA 11424 has rotated onto the eastern limb and is bright in EUV, X-rays and H-alpha. It is too close to the limb to determine its magnetic complexity as yet, however it has been the most flare productive region over the past number of days and it it expected to remain so. As such, it will continue as today's target. B - C class activity is expected. The position of NOAA 11424 on 25-Feb-2012 14:00 UT is: N09E60, ( -830", 210" ) 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, Claire Raftery (SSL, UC Berkeley)

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MM#009 Default HESSI Target
by Max Millennium Chief Observer 24 Feb '12

24 Feb '12

Dear RHESSI Collaborators, Solar activity continues at very low levels. There have been no events >B class in the past 24 hours. A new region - NOAA 11423 as rotated onto the east limb, slightly north of the most recent target. This AR is small and magnetically simple. The larger AR that remains occulted on the east limb appears to consist of large loop structures with well defined footpoints that are is bright in EUV and H-alpha. This region will remain the target for the next 24 hours. B class activity is expected to continue. The position of the target region on 24-Feb-2012 17:00 UT is: N10E85, (-952", 170") 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, Claire Raftery (SSL, UC Berkeley)

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

23 Feb '12

Dear RHESSI Collaborators, The level of solar activity is very low. NOAA region 11422 appears to be in decay phase. This region has decreased in area and number of spots as well as flare productivity. A new region has rotated over the North East limb, marking the return of the region previously designated NOAA 11415. This region produced C-class activity when it emerged close to the North West limb on the last disk passage, and has already produced an occulted B4.3 flare on 21-Feb-2012 at 21:53 UT. B-class events are expected, with a chance for a C-class event in the next 24 hours. The approximate position of this region on 23-Feb-2012 at 11:00 UT is: N10E88, ( -954", 171" ) 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 22 Feb '12

22 Feb '12

Dear RHESSI Collaborators, Solar activity remains at a low level. NOAA region 11422 has continued to increase in spot area, number of spots, and complexity. This region has developed minor spots with partial penumbrae between the leading and following spot groups. NOAA 11422 produced several B-class events in the past 24 hours with a C1.0 event on 21-Feb-2012 at 11:42 UT, and is classified as a beta/D-type sunspot group. Further C-class activity is possible in the next 24 hours. The position of NOAA 11422 on 22-Feb-2012 at 10:30 UT is: N15W30, ( 467", 350" ) 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 21 Feb '12

21 Feb '12

Dear RHESSI Collaborators, The level of solar activity remains low. NOAA 11422 has continued to grow in spot area and number of spots in the past 24 hours, retaining a beta/D-type sunspot classification. This region was the source of a second C1.1 flare on 20-Feb-2012 at 11:20 UT. Further C-class activity is possible in the next 24 hours. The position of NOAA 11422 on 21-Feb-2012 at 10:30 UT is: N16W17, ( 270", 376" ) 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 Feb '12

20 Feb '12

Dear RHESSI Collaborators, Solar activity remains at a low level. Yesterday's target has continued to emerge over the last 24 hours, developing significant leading and trailing spots with mature penumbrae. This region is now designated as NOAA region 11422 and is classified as a beta/D-type sunspot group. NOAA 11422 was the source of several B-class flares since the last message, as well as a C1.1 flare on 20-Feb-2012 at 03:39 UT. Further C-class activity is possible. The position of NOAA 11422 on 20-Feb-2012 at 10:30 UT is: N15W04, ( 62", 365" ) 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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MMmotd February 2012