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Post by france on Mar 10, 2012 16:11:50 GMT
Dr Svalgaard, is ACE broken since a long time because I already noticed some differences between its writings (about year 2008) ?
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Post by lsvalgaard on Mar 10, 2012 16:53:34 GMT
Dr Svalgaard, is ACE broken since a long time because I already noticed some differences between its writings (about year 2008) ? The problem has existed for some time, perhaps a year, but I have not looked very carefully to find out exactly when |
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timb
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Post by timb on Mar 14, 2012 23:55:02 GMT
As the general gaussian strength goes down, is there any data in the magnetic complexity of the sunspot. It's seems that a strong magnetic field would produce very defined "white on the right" spots (depending on solar cycle/hemisphere) but a messy and convoluted sunpsot as the intensity goes goes down. Has anyone studied the complexity percentages of SC23 with SC24 to see if complexity is changing at all?
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Post by lsvalgaard on Mar 15, 2012 14:06:52 GMT
As the general gaussian strength goes down, is there any data in the magnetic complexity of the sunspot. It's seems that a strong magnetic field would produce very defined "white on the right" spots (depending on solar cycle/hemisphere) but a messy and convoluted sunpsot as the intensity goes goes down. Has anyone studied the complexity percentages of SC23 with SC24 to see if complexity is changing at all? 'Complexity' is hard to quantity so there is no definite study of this yet, but the new data from SDO should help on that. We know that sunspot groups that rotate, twist, and turns are more prolific producers of flares. |
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Post by justsomeguy on Mar 16, 2012 11:28:16 GMT
That is an interesting thought, as Dr. Svalgaard pointed out to me, the Carrington flare happened during the relatively weak solar cycle 10, thus if weak cycles do have magnetically weaker spots...
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Post by justsomeguy on Mar 28, 2012 23:30:21 GMT
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Post by elbuho on Mar 29, 2012 17:59:27 GMT
19 march...  Could be a Mars Northern Light? |
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Post by lsvalgaard on Mar 29, 2012 23:04:27 GMT
19 march... Could be a Mars Northern Light? Mars does not a strong enough or organized enough magnetic field to generate aurorae. |
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Post by justsomeguy on Mar 30, 2012 9:45:53 GMT
More likely to be a meteor strike, but infinitely more interesting if it is volcanic.
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Post by justsomeguy on Apr 3, 2012 23:27:46 GMT
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Post by elbuho on Apr 22, 2012 20:16:10 GMT
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timb
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Post by timb on Apr 23, 2012 3:31:20 GMT
If I'm not mistaken, Dr. Svalgaard is quoted in the comment of the article you linked. |
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Post by lsvalgaard on Apr 23, 2012 4:01:36 GMT
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Post by france on Apr 23, 2012 22:11:11 GMT
Dr Svalgaard, old thread dissapeared  I can't find your paper where you explain how you determine begining and duration of future new cycle. I remember you spoke about activity on solar polar zones |
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Post by lsvalgaard on Apr 24, 2012 0:17:08 GMT
Dr Svalgaard, old thread dissapeared I can't find your paper where you explain how you determine begining and duration of future new cycle. I remember you spoke about activity on solar polar zones all my papers are on www.leif.org/researchgo look... |
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Could be a Mars Northern Light?