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The sun (Read 17351 times)
Jovial Monk
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Re: The sun
Reply #300 - May 12th, 2023 at 3:53pm
 
Quote:
Keith Strong@drkstrong·4h

CME WATCH - 2023.05.11: Some missing data but lots to see nonetheless. It starts with a series of CMEs off the W limb yesterday. A quick one of the NE. Then there is a classic bubble CME off the N. polar region almost simultaneous with another two to the W.


https://twitter.com/i/status/1656833750313885696



Quote:
4h

DRAMATIC ERUPTION ON THE SUN: At about 06:00 UT this morning a prominence near the northern solar polar became unstable and erupted. It seemed like a whip being cracked. Note its huge size wrt the Earth (inset), also a lot of infalling material after the eruption.


https://twitter.com/i/status/1656836616852307971



Quote:
4h

THE SAME AGAIN BUT ON THE NW LIMB: A very similar event (see last tweet) happened on the NW at about 02:00 UT. Note the similarities including the infalling material.


https://twitter.com/i/status/1656838435225710594



Quote:
20h

CME WATCH - 2023.04.12: Sorry no "SUN TODAY" this morning - computer problems. Also lots of missing data from LASCO but there is a tantalizing eruption off the west (right) limb right at the end. Probably associated with the LDE C9 flare earlier.


https://twitter.com/i/status/1657203978721980421


Quote:
20h

SPECTACULAR EXPLOSION ON THE SUN: Sunspot region AR3296 is just setting behind the west limb, as a parting shot it gave off this huge, beautiful eruption.  It almost looks like it is in two stages, an initial loop which does not quite make it and then it gets hit with a huge jet.


https://twitter.com/i/status/1657206344376516610



Quote:
20h

DIFFERENT PERSPECTIVE: The same event and wavelength - different instrument. It has a much larger field of view. Note how far above the limb the surge goes - at least 150,000 km!


https://twitter.com/i/status/1657208211190038529
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« Last Edit: May 14th, 2023 at 9:01am by Jovial Monk »  

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Re: The sun
Reply #301 - May 14th, 2023 at 9:03am
 
Quote:
Keith Strong@drkstrong·9h

THE SUN "TODAY"? Seems someone at NASA is asleep at the wheel. No SDO data Sad Fortunately NOAA has some info.

1) SSN remains at about 130; Area 820 Mil.

2) 2 midlevel C flares both from NW limb (last hurrah of AR3296?).

3) Small region coming over the SE limb.

[4]) 9 CMEs yesterday




Quote:
3h

CME WATCH - 2023.05.13: There is a spectacular eruption off the west limb about halfway through. There also seems to be a sustained outflow from the east limb. Note the bright, wide streamer off the NE limb - it looks as if it may eventually erupt.


https://twitter.com/i/status/1657568590697046017
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« Last Edit: May 14th, 2023 at 3:42pm by Jovial Monk »  

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Re: The sun
Reply #302 - May 15th, 2023 at 6:35pm
 
Quote:
Keith Strong@drkstrong 20h

THE SUN TODAY: NASA ONCE again failing to provide any new data for the last 2 days, so it is anybody's guess as to what is happening. We just had a C7 flare from the NW limb (see NOAA GOES SUVI 94A image). The SSN has risen to about 140 but their total area has dropped to 750 mil



Quote:
3h

CME WATCH - 2023.05.14: Unusually quiet. Just one minor CME off the west limb, otherwise there seem to be a large amount of outflows. Note how the bright streamer in the NE just seems to dissipate.


https://twitter.com/i/status/1658029387655127040


Quote:
2h
THE SUN TODAY: NASA data back on! But everything quiet.

1) SSN down to 115; area 390 mil.

2) Lone C7 flare yesterday and that was from behind the west limb (so was probably >M1).

3) Nothing new due back in the next day.

4) A new region emerging in the SE

5) Just 2 CMEs yesterday.
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« Last Edit: May 15th, 2023 at 10:20pm by Jovial Monk »  

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Re: The sun
Reply #303 - May 17th, 2023 at 8:34am
 
Quote:
May 16

Amazing Magnetic Loops: This starts out as a common arcade of magnetic loops - nothing special. They seem to be slowly growing - again not unheard of. They then seem to judder as a new brighter loop appears and then start to swirl. Will they erupt - we have to wait and see.


https://twitter.com/i/status/1658128469899763712



Quote:
May 16
PAGODA LOOPS: Solar magnetic fields get stretched & twisted by the dynamics of the surface. On the NE limb a group of magnetic fields get deformed into a pagoda-like configuration. The dark pointed structure is likely a magnetic pinch where gas pressure forces the fields together


https://twitter.com/i/status/1658132201941135361



Quote:
20h

CME WATCH - 2023.05.15: Just three modest coronal mass ejections in the last two days: One off the west (left) limb; a faint one off the northern pole and the biggest and brightest of the three off the SE limb - probably associated with the loop dynamics I tweeted about earlier.


https://twitter.com/i/status/1658284676232929280
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Re: The sun
Reply #304 - May 17th, 2023 at 8:37am
 
Quote:
Keith Strong@drkstrong·12h

THE SUN TODAY: Getting very quiet - the quiet before the storm?

1) SSN 95; area 330 mil.

2) No significant flares (>C5) yesterday.

3) Helioseismology reveals nine large areas of magnetic activity on the far side of the Sun.

4) One newly numbered NOAA region, AR3207.

5) Four CMEs.





Quote:
5h
New Region coming over the SE limb - looks active but we have been fooled before ... stay tuned! Image: SDO AIA 335A; temperature about 3 MK.


https://twitter.com/i/status/1658522900184301571

Fascinating video of a sunspot region coming over the east limb! Worth watching.
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Re: The sun
Reply #305 - May 18th, 2023 at 9:03am
 
Quote:
Keith Strong
@drkstrong
·
10h
THE SUN TODAY: Heating up.

1) SSN up to 100; area down to 220 mil

2) An M9.6 flare (see earlier tweets) from new region on the SE limb (white).

3) Two new areas of activity behind the east limb

4) A newly numbered region AR3207 in the SE. Lots of prominences.

5) 12 CMEs yesterday



Flares and CMEs increasing. Quite a cycle within a cycle within. . .


Quote:
12h
CME WATCH - 2023.05.16: Last night there was lots of missing data. Hoped that it would have been filled by this morning but not luck Sad. For what it is worth, here is what we have available - new: just the large CME off the W limb (see previous tweet) no sign of what caused it.


https://twitter.com/i/status/1658820698796589058
MASSIVE CME!


Quote:
45m

Another new region coming over the NE limb this time. It has been responsible for a string of medium sized C flares so far.


https://twitter.com/i/status/1658991406793334786
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« Last Edit: May 18th, 2023 at 11:08am by Jovial Monk »  

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Re: The sun
Reply #306 - May 19th, 2023 at 7:28am
 
Quote:
Keith Strong@drkstrong·9h

THE SUN TODAY:  Getting Active!

1) SSN and area both up to 105 and 470 resp.

2) Six high-level C flares and a double M flare - all from the new region in the NE (white).

3) Still more to come over the E limb.

4) Newly NOAA numbered region, AR3310, in the SE.

5) 8 CMEs yesterday.




Quote:
7h
FIVE MAJOR FLARES IN JUST SIX HOURS: We have just had 5 M flares in less than 6 hours from the new sunspot region on the northeast limb of the Sun (see earlier tweet). Every time I have tried to post this a new M flare has occurred, so expect more - perhaps even an X flare?


https://twitter.com/i/status/1659193331803385857



Quote:
5h
SOLAR MAGNETIC FIELDS ARE COMPLEX! This image has the surface magnetic fields extrapolated up into the corona. Dark lines are open fields, but most are magnetic loops connect opposite signed fields. Note how many cross the equator contributing to the evolution of solar cycle 25.


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Re: The sun
Reply #307 - May 19th, 2023 at 10:09am
 
Quote:
40m
DOUBLE M FLARE: Two M4 flares happened within about 40 minutes of each other, again from the very active sunspot region on the NE limb. So far today we have had 8 M flares all from that same region.


https://twitter.com/i/status/1659340023735410691




Quote:
42m

Radio blackouts on sunlit side of the Earth in progress due to high solar flaring activity: An R2 radio blackout storm is in progress. Frequencies below 5 MHz attenuated in some places (see map). It will likely continue while the flares do. Just had an M5 flare - the largest yet.


https://pbs.twimg.com/media/Fwc87ogX0AAMUBx?format=png&name=900x900


Quote:
6h

CME WATCH - 2023.05.18: All events but 0ne small CME are off the west limb. There must be a lot of activity from the regions on the far side of the Sun.


https://twitter.com/i/status/1659395213264134144
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« Last Edit: May 19th, 2023 at 8:07pm by Jovial Monk »  

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Re: The sun
Reply #308 - May 20th, 2023 at 6:30am
 
Quote:
Keith Strong
@drkstrong
·
9h
THE SUN TODAY: Busy Day!

1) SSN up to 135; area 575 mil.

2) A host of M flares & high C flares - all basically from sunspot region AR3311 in the NE.

3) Still more coming over the E limb.

4) 5 new regions emerged near the east limb (white). Some interesting prominences.

5) 6 CMEs.




Quote:
4h

CME WATCH - 2023.05.19: Oddly still a lot of activity from the west limb initially although all the flaring activity has been from the east. Eventually we get a couple of weak CMEs from the NE.


https://twitter.com/i/status/1659736543550996480



Quote:
7h

BIG FLARE - ONCE AGAIN NO NASA DATA:  We just had another big M flare (M6) from sunspot region AR3311 in the NE. No SDO available at weekends. Fortunately, we have some low-resolution data from NOAA GOES to confirm its origin, else we would be blind. Cutting corners for a few $s.


https://twitter.com/i/status/1659878666220740611
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« Last Edit: May 21st, 2023 at 5:02am by Jovial Monk »  

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Re: The sun
Reply #309 - May 21st, 2023 at 5:04am
 
Quote:
Keith Strong@drkstrong·6h

THE SUN TODAY:

1) SSN up to 145; area 1100 mil.

2) A series of M flares all from AR3311.

3) Perhaps still something coming over the NE limb.

4) Lost a couple of regions over the W limb and about to lose the complex in the NW so SSN will drop. Two newly numbered regions.

5) 6 CMEs




Quote:
14h

GEOMAGNETIC STORM LAST NIGHT! A moderate geomagnetic storm (G2; Kp=6) occurred in the early hours of this morning. Expect some beautiful aurora at high latitudes.




Quote:
13h

OH, SO CLOSE! We just had an M9 flare (again from AR3311). Just not quite reaching the X category - we seem X flare depleted. Is there a physical reason for this lack of X flares or just bad luck? Hopefully that luck will change soon.
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« Last Edit: May 21st, 2023 at 1:06pm by Jovial Monk »  

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Re: The sun
Reply #310 - May 22nd, 2023 at 7:53am
 
Quote:
Keith Strong@drkstrong·8h

THE SUN TODAY: Still no SDO data!

1) SSN @ 135; area @ 1150 mil.

2) Five M flares in the last day all from the AR3311 complex.

3) No new major [regions] coming over the E. Limb.

4) About to lose the AR3305 complex over the W limb, 3 new regions emerged (white).

5) 6 CMEs yesterday.



Quote:
4h

CME WATCH - 2023.05.21: The bright streamer in the SE is just continuously popping of faint CMEs but then there is a more substantial one off the west limb starting right at the end of the sequence.


https://twitter.com/i/status/1660449620114145282


Quote:
19h

CORONAL HOLE ALERT: There are two coronal holes just east of the central meridian of the Sun at the moment. They will move into the western hemisphere in the next couple of days & could pose a threat of a geomagnetic storm from the high-speed solar wind that they constantly emit.


https://pbs.twimg.com/media/Fwng2OeWwAAN06R?format=jpg&name=medium
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« Last Edit: May 22nd, 2023 at 3:15pm by Jovial Monk »  

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Re: The sun
Reply #311 - May 23rd, 2023 at 7:59am
 
Quote:
Keith Strong@drkstrong·11h

THE SUN TODAY: Quieting down? 

1) SSN stable at 135; area at 1110 mil.

2) Just 1 M flare and a couple of low M flares.

3) Nothing on the eastern horizon.

4) The M and C8 flares were from AR3311. The C8 event was from AR3303 on the W limb.

5) Six coronal mass ejections yesterday.




Quote:
5h

CME WATCH - 2023.05.22: Right at the very beginning there is a super thin streamer at about 2 o'clock that seems to be expelled. Note just after the bright CME off the W limb there is a halo event albeit a faint one. Thene there is a spectacular eruption off the N. limb.




Quote:
16h

HALO CME: I mentioned a halo CME yesterday, here is an image of it. It turns out to be from the Sun's far side i.e., going away from the Earth - but means those sunspot regions that went over the limb recently are still "cooking". Hopefully they will still be when they return.


https://pbs.twimg.com/media/FwzFQLhWwAIyrD5?format=png&name=small



Quote:
16h
Prominence Eruption: A large prominence on the NE limb of the Sun slowly sets behind the limb but starts to grow until it becomes unstable and explodes away from the Sun.


https://twitter.com/i/status/1660933728741253120
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« Last Edit: May 24th, 2023 at 11:09am by Jovial Monk »  

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Re: The sun
Reply #312 - May 24th, 2023 at 11:11am
 
Quote:
Keith Strong@drkstrong·13h

THE SUN TODAY:

1) SSN @ 135; Area 930 mil.

2) No significant flares (i.e., >C5) in the last day.

3) An active region just behind the NE limb.

4) About to lose AR3308 over NW limb; three new regions emerging (white) - all quite small except the one in the SE.

5) 13 CMEs yesterday.
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Re: The sun
Reply #313 - May 25th, 2023 at 11:06am
 
Quote:
Keith Strong@drkstrong·14h

THE SUN TODAY:

1) SNN up to 140; Area 820 Mil.

2) 2 M flares & 2 moderate C flares, all from AR3311.

3) A new active region just behind the SE limb.

4) A newly numbered NOAA sunspot region (AR3315) which is rapidly growing. A lot of prominences and corresponding coronal cavities.


Warming up!
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Re: The sun
Reply #314 - May 25th, 2023 at 1:38pm
 
Pfft! Tell that to people living in Melbourne for the next week. In fact, yes, this might be relevant with the cold coming through. A cold winter coming up.
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