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The sun (Read 22396 times)
Jovial Monk
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Re: The sun
Reply #195 - Apr 3rd, 2023 at 7:29am
 
Quote:
Keith Strong@drkstrong

THE SUN TODAY:  Things are pretty quiet, except for CMEs. The Sunspot number is allegedly down to 30 but to me that seems wrong. Note I identify 7 old sunspot regions still on the Sun (black circles, so SSN of >70) plus 5 new regions (white, SNN = 70+50=120). Somebody cant count!
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Re: The sun
Reply #196 - Apr 3rd, 2023 at 3:21pm
 
Quote:
Space Weather Watch@spacewxwatch

See if you can spot the disappearing solar filament (DSF) which was observed this morning lifting off from the east between 06:00Z and 08:00Z. Look for a dark line of suspended plasma that twists counter-clockwise before disappearing completely.
It's currently hard to say if the eruption was re-absorbed by the Sun as the filament eruption doesn't appear to have a CME with it yet coronagraphs, but by eye alone, it does appear to be Earth-directed. An enhancement in the solar wind is possible then mid-day to late on Wednesday the 5th. 
Let us know in the comments below if you see it!
Special thanks: NASA/SDO, Helioviewer teams


https://twitter.com/i/status/1642520904058953728
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Re: The sun
Reply #197 - Apr 3rd, 2023 at 3:22pm
 
Quote:
Keith Strong@drkstrong·4h

CME WATCH - 2023.04.02: After all the excitement of yesterday (the first half of this movie) only one additional CME is visible off the SE limb near the end well after the halo CME from yesterday.


https://twitter.com/i/status/1642693017810227201
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Re: The sun
Reply #198 - Apr 4th, 2023 at 6:08am
 
Quote:
Keith Strong@drkstrong·8h

THE SUN TODAY:

1) SSN rose to 65 and area to 210 mil.

2) No significant flares in the last day.

3) Nothing significant immediately behind the east limb but there is a whole string of regions on the far side of the Sun.

4) Two newly numbered regions, AR3269 and 70.

5) Only 5 CMEs.
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Re: The sun
Reply #199 - Apr 4th, 2023 at 12:41pm
 
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Keith Strong@drkstrong·1h

CME WATCH - 2023.04.03: We start off with 4 Coronal Mass Ejections off the southeast limb (lower left), all relatively modest in size. Then a very large but faint one off the NW limb. Lastly a fast one off the SW limb. Promising for upcoming activity.


https://twitter.com/i/status/1643054036004765697
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Re: The sun
Reply #200 - Apr 4th, 2023 at 12:43pm
 
When we have moved into Solar Cycle 26 for a year or two I will try and create some graphs of what the sun has done:

#sunspots
#CMEs

etc

Might do this when the peak of the current cycle is past and again after the end of the cycle.
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Re: The sun
Reply #201 - Apr 5th, 2023 at 7:04am
 
Quote:
Keith Strong@drkstrong·9h

THE SUN TODAY: 

1) SSN up to 70 and area to 420 mil.

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

3) Perhaps a small region behind the NE limb.

4) AR3270 continues to grow (see earlier tweet). Two new regions emerging (white). Several nice prominences (P).

5) 7 CMEs yesterday.
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Re: The sun
Reply #202 - Apr 5th, 2023 at 7:06am
 
That very low count of sunspots, that Dr Strong said was wrong, gave hope to some remaining believers in “the” GSM causing a mini ice age on Twitter. I stomped on those delicate hopes.
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Re: The sun
Reply #203 - Apr 5th, 2023 at 2:12pm
 
Quote:
Keith Strong@drkstrong·1h

CME WATCH - 2023.04.04: Nothing much new going on at the moment - most of the CME's you see here were visible in the last half of yesterday's CME Watch. There is an additional event off the NW limb near the end, but it was faint and slow.  Note the bright streamer near the S Pole


https://twitter.com/i/status/1643438210532384769
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Re: The sun
Reply #204 - Apr 6th, 2023 at 4:58am
 
Quote:
Keith Strong@drkstrong·3h

THE SUN TODAY: Still very quiet.

1) SSN down to 60 and are to 140 mil.

2) No significant flares in the last day (again).

3) Bright region behind SE limb - note odd halo around it!

4) Newly numbered region AR3271. New region appeared in NE (white).

5) Only 4 coronal mass ejections




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Re: The sun
Reply #205 - Apr 6th, 2023 at 5:24am
 
Quote:
Keith Strong@drkstrong

Solar Cycle 25 is outperforming the models by about 78% which implies that the sunspot number will peak at just over 200 (compared to 116 for Solar Cycle 24).


Important enough I will post the graph of the two Solar Cycles:
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Re: The sun
Reply #206 - Apr 6th, 2023 at 4:56pm
 
Quote:
Keith Strong@drkstrong

CME WATCH - 2023.04.05: No truly spectacular por fast CMEs over the last two days as the Sun has been surprisingly quiet. See how many small, faint CMEs you can detect.


https://twitter.com/i/status/1643773212189249536

I counted nine.
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Re: The sun
Reply #207 - Apr 6th, 2023 at 8:12pm
 
Quote:
Keith Strong@drkstrong

WHO SAID THE SUN WAS QUIET? Just as I say that it produces the first M flare in a week. This was from a region on/just behind the southeast limb so was probably a much larger event. A quick check of SOHO LASCO show that it also produced a Coronal Mass Ejection. Expect more flares


https://twitter.com/i/status/1643907215038840832
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Re: The sun
Reply #208 - Apr 7th, 2023 at 8:09am
 
Quote:
Keith Strong@drkstrong·11h

THE SUN TODAY:

1) SNN number down to 50 while area up to 170 mil.

2) M3 flare - see earlier tweet.

3) More of new region still behind SE limb.

4) Large sunspot on SE limb, a few tiny new regions emerging.

5) 10 C-flares yesterday and 5 coronal mass ejections.
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Re: The sun
Reply #209 - Apr 7th, 2023 at 12:31pm
 
Quote:
Keith Strong@drkstrong·1h

INTERESTING FILAMENT ERUPTION: The filament is the dark structure running from N-S. You can see that is starts to become unstable as flows start from the N end to the S. They seem to pause for a while then accelerate and the whole structure disintegrates. Note the scale wrt Earth


https://twitter.com/i/status/1644140140980322304

Massive!
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