Maurizio Marsigli Posted June 5, 2022 Share Posted June 5, 2022 it seems that the polarity of the areas is starting to reverse. Link to comment Share on other sites More sharing options...
MinYoongi Posted June 5, 2022 Share Posted June 5, 2022 What do you mean? 1 Link to comment Share on other sites More sharing options...
Archmonoth Posted June 5, 2022 Share Posted June 5, 2022 7 hours ago, Maurizio Marsigli said: it seems that the polarity of the areas is starting to reverse. Why do you say this? Link to comment Share on other sites More sharing options...
MinYoongi Posted June 5, 2022 Share Posted June 5, 2022 35 minutes ago, Archmonoth said: Why do you say this? To me they look normal.. 1 Link to comment Share on other sites More sharing options...
Newbie Posted June 6, 2022 Share Posted June 6, 2022 11 hours ago, Maurizio Marsigli said: it seems that the polarity of the areas is starting to reverse. Hello Maurizio Marsigli, there is another thread on this forum titled Reversed Polarity Sunspot. There was one spot in particular that was obviously reverse polarity: 3027. It was labelled an anti-hale sunspot because it showed reverse polarity for the hemisphere of the Sun that it was in - Southern. An excellent article in that thread mentions that these anti-hale sunspots can appear at any time. Were they to be SC24 areas they would have appeared in the middle latitudes of the Sun. Check out the other thread Newbie 2 1 Link to comment Share on other sites More sharing options...
Genie Posted June 6, 2022 Share Posted June 6, 2022 Hale's Polarity Law? Link to comment Share on other sites More sharing options...
Sam Warfel Posted June 6, 2022 Share Posted June 6, 2022 Well, looks like all the regions are flipping, I guess Solar Cycle 25 peaked early this year and we’re moving on to SC26… (That’s a joke by the way) 4 hours ago, Genie said: Hale's Polarity Law? https://en.m.wikipedia.org/wiki/Hale's_law#Definition 1 Link to comment Share on other sites More sharing options...
KW2P Posted June 6, 2022 Share Posted June 6, 2022 12 hours ago, Orneno said: Well, looks like all the regions are flipping, I guess Solar Cycle 25 peaked early this year and we’re moving on to SC26… (That’s a joke by the way) https://en.m.wikipedia.org/wiki/Hale's_law#Definition Since our knowledge of the sun is still scant, I wouldn't rule out anything. The sun's internals are clearly chaotic and from observation we see it can exhibit cyclical behavior. However, the sun has been operating for billions of years and we've only observed for a couple hundred years, a microscopic amount of data. The sun's cyclic behavior might be multi-modal and 11 years is just one of many possible modes of oscillation. As a real-life example, consider geyser eruptions. "It erupts every hour." But if you collect data over a couple hundred eruptions, you find there are two or more peaks. One at 52 minutes and the other at 75 minutes. The more complex the plumbing of the geyser, the more modes it will have. 2 Link to comment Share on other sites More sharing options...
Genie Posted May 19, 2023 Share Posted May 19, 2023 On 6/6/2022 at 9:54 AM, KW2P said: The sun's cyclic behavior might be multi-modal and 11 years is just one of many possible modes of oscillation. As a real-life example, consider geyser eruptions. "It erupts every hour." But if you collect data over a couple hundred eruptions, you find there are two or more peaks. One at 52 minutes and the other at 75 minutes. The more complex the plumbing of the geyser, the more modes it will have. or: like, the complex human genome, replication # is so high that it increases the significance of error-correcting factors (double-stranded dna breaks and the like). so our aging star is missing a few teeth in its starter gear etc....rambling and why does goes-16 suvi 5/19 0720 show massive coronal holes for an instant? and is the dst more relevant than the sfi or kp index keynotes to self wind speed ~3,000k/s density 300 p/ccm longggg duration solar flares(think days to decades) waves(surface vs core vs ?) telluric. magnetosphere distortion and why is the corona contracting and expanding in jarring motion and have we created too much energy/power for this small earth marble to manage and why is there 6 hrs of missing data 5/18ish 1400-2000 on the ace mag and swepam? 1 2 Link to comment Share on other sites More sharing options...
Jesterface23 Posted May 19, 2023 Share Posted May 19, 2023 3 hours ago, Genie said: and why is there 6 hrs of missing data 5/18ish 1400-2000 on the ace mag and swepam? We lose ACE's data or get errored data roughly once a day. 3 hours ago, Genie said: and why does goes-16 suvi 5/19 0720 show massive coronal holes for an instant? It was a data processing error. I remember seeing it yesterday on the SWPCs site, but can't find it other imagery viewers that am looking at. Not sure most of what all you are talking about, but there's no need to explain further. You seem to be overthinking things a bit. 3 Link to comment Share on other sites More sharing options...
Sam Warfel Posted May 19, 2023 Share Posted May 19, 2023 When you watch these data stream for a while you will quickly learn such data errors and glitches are normal. Remember, we’re communicating with tiny pieces of metal like a million miles away. It’s not perfect. In fact, one might even say it’s rocket science. 2 Link to comment Share on other sites More sharing options...
Philalethes Posted May 19, 2023 Share Posted May 19, 2023 (edited) 11 hours ago, Genie said: and is the dst more relevant than the sfi or kp index That depends on the context, as they measure quite different things. They are of course all associated with Solar activity, but neither can really be said to be "more relevant" unless you have a specific context in mind. The Dst is a measure of how much different Earth's magnetic field is near the equator compared to a long-running average; this is typically one of the best indicator of overall geomagnetic activity since it reflects represents more or less how well the Solar wind (or a shock/sheath or CME) is connecting to the geomagnetic field. The Kp-index includes more activity globally, including closer to the geomagnetic poles, and as such can reflect the extra activity that can occur there for several reasons, such as substorm activity. There's also the AE (auroral electrojet) index measuring the latter more specifically (and is the counterpart to the equatorial electrojet, which is what the Dst is a reflection of, as e.g. discussed in this paper arguing for the utility of an EE-index that more directly measures this). Solar flux indices like F10.7 don't really measure geomagnetic activity at all, although there's likely some degree of correlation; but there can certainly be high levels of geomagnetic activity with lower Solar flux, and vice versa. This is at least all to the best of my understanding so far. The rest of your post did not seem very coherent to me, so I'm not going to address that (other than the satellite data, which has already been addressed). If there's something you're trying to express or ask about you should likely try to reformulate it so that others can better understand it. Edited May 19, 2023 by Philalethes typo Link to comment Share on other sites More sharing options...
Genie Posted May 20, 2023 Share Posted May 20, 2023 12 hours ago, Jesterface23 said: It was a data processing error. I remember seeing it yesterday on the SWPCs site, but can't find it other imagery viewers that am looking at. AIA 193Å 20230519 23:24 https://solarmonitor.org/index.php?date=20230519 those large coronal holes are reappearing in the data again. strange to see the same data processing error in the same 24 hr period. 5 hours ago, Philalethes said: That depends on the context, as they measure quite different things. They are of course all associated with Solar activity, but neither can really be said to be "more relevant" unless you have a specific context in mind. Thank you for this! I do have a specific context in mind. Link to comment Share on other sites More sharing options...
Jesterface23 Posted May 20, 2023 Share Posted May 20, 2023 52 minutes ago, Genie said: AIA 193Å 20230519 23:24 https://solarmonitor.org/index.php?date=20230519 those large coronal holes are reappearing in the data again. strange to see the same data processing error in the same 24 hr period. That site is using SDO's imagery with modified brightness/contrast. But that should just about be it, going a bit off topic on an old post. Link to comment Share on other sites More sharing options...
Sam Warfel Posted May 20, 2023 Share Posted May 20, 2023 Indeed, processing glitches with SDO data is not the topic of this thread. Let's move someplace else if you wish to continue the conversation, although it looks to have been answered, more than once. Link to comment Share on other sites More sharing options...
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