Maxime Fiset Posted August 24, 2015 Share Posted August 24, 2015 Hi everyone. I have stumbled upon the top 25 sunspots page, and I have compared it to current 12403. It is currently 760 in size with 66 spots in it. It's much smaller than the last of the top 25, but higher than most when it comes to the sunspot number. So I was wondering : what is the most relevant when comparing sunspot regions? Size? Sunspot number? Magnetic classification? Class spot? If I was to try and predict how active and powerful a region can be, let's say its "CME potential", what variables should I take into account? What should I disregard? Thanks! Maxime Link to comment Share on other sites More sharing options...
Tomasz Mielec Posted August 24, 2015 Share Posted August 24, 2015 Now we have a impulsvie M5.6 flare If i good see this flare was on the east side AR2403 Link to comment Share on other sites More sharing options...
Marcel de Bont Posted August 24, 2015 Share Posted August 24, 2015 Hi everyone. I have stumbled upon the top 25 sunspots page, and I have compared it to current 12403. It is currently 760 in size with 66 spots in it. It's much smaller than the last of the top 25, but higher than most when it comes to the sunspot number. So I was wondering : what is the most relevant when comparing sunspot regions? Size? Sunspot number? Magnetic classification? Class spot? If I was to try and predict how active and powerful a region can be, let's say its "CME potential", what variables should I take into account? What should I disregard? Thanks! Maxime That isn't really so easy. Start with the strongest solar flare list and analyse how these sunspot groups looked like when they produced their strongest solar flares http://www.spaceweatherlive.com/en/solar-activity/top-50-solar-flaresYou will see that they had complex magnetic layouts, often with numerous compact delta sunspots. Size is tricky as not every monster sunspot region produces extreme flares with massive CMEs. The largest sunspot region in I think it was 24 years ''only'' managed an X3 event as strongest flare. http://www.spaceweatherlive.com/en/solar-activity/region/12192When it comes to class you will see that the largest most complex regions that produce the biggest flare often get classified as ''FKC'' http://www.spaceweatherlive.com/en/help/the-classification-of-sunspots-after-malde Now we have a impulsvie M5.6 flare If i good see this flare was on the east side AR2403 Yeah the flare was exactly right there where that little delta is. Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 24, 2015 Author Share Posted August 24, 2015 What's the main difference between EKC and FKC? Link to comment Share on other sites More sharing options...
Tomasz Mielec Posted August 24, 2015 Share Posted August 24, 2015 It's clasification of sunspot, here You have http://www.spaceweatherlive.com/en/help/the-classification-of-sunspots-after-malde Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 24, 2015 Author Share Posted August 24, 2015 That's it? Only size? Link to comment Share on other sites More sharing options...
Vancanneyt Sander Posted August 25, 2015 Share Posted August 25, 2015 What's the main difference between EKC and FKC?The first letter is different, so when looking at the classification you'll see that the first letter stands for the group configuration, so the group configuration is a bit different but the distribution and type of the biggest spot is the same. Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 27, 2015 Author Share Posted August 27, 2015 Is there a chance that 2403 could come back after its rotation to the other side?Would it still be called 2403?Can Stereo Ahead show it on EUVI 195? Link to comment Share on other sites More sharing options...
Marcel de Bont Posted August 27, 2015 Share Posted August 27, 2015 Is there a chance that 2403 could come back after its rotation to the other side?Would it still be called 2403?Can Stereo Ahead show it on EUVI 195?Yes, but doubt there would be much left of it, if any.No, sunspot regions get a new number as they return.Yes, you should be able to track it on STA. Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 28, 2015 Author Share Posted August 28, 2015 Thanks a bunch! Link to comment Share on other sites More sharing options...
Guest danderson500 Posted August 29, 2015 Share Posted August 29, 2015 is 2403 still in decay? just asking Link to comment Share on other sites More sharing options...
AbeH Posted August 29, 2015 Share Posted August 29, 2015 is 2403 still in decay? just askingFrom what I understand Once a sunspot starts to decay it dosnt stop. I could be wrong though. Link to comment Share on other sites More sharing options...
Guest danderson500 Posted August 29, 2015 Share Posted August 29, 2015 how many times has 2403 been on the disk? Link to comment Share on other sites More sharing options...
Guest danderson500 Posted August 29, 2015 Share Posted August 29, 2015 From what I understand Once a sunspot starts to decay it dosnt stop. I could be wrong though. then look at this Link to comment Share on other sites More sharing options...
Guest danderson500 Posted August 30, 2015 Share Posted August 30, 2015 so should i be scared about 2403 when it comes back? Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 30, 2015 Author Share Posted August 30, 2015 so should i be scared about 2403 when it comes back?No.You haven't had a single reason to be scared up to now. Chill out. Link to comment Share on other sites More sharing options...
Guest danderson500 Posted August 30, 2015 Share Posted August 30, 2015 i am worried that it will be as active as it was the last time..how many times has 2403 been on the disk? Link to comment Share on other sites More sharing options...
Maxime Fiset Posted August 31, 2015 Author Share Posted August 31, 2015 i am worried that it will be as active as it was the last time..how many times has 2403 been on the disk?Only once, as 2403. Maybe twice judging by it's size and growth/degrowth, but it's decaying now. Even if it is active when (IF!) it comes back, it will be smaller. What do you do in life? Do you have an education? Kids? Do you practice a hobby? Do you believe in God? Link to comment Share on other sites More sharing options...
AbeH Posted August 31, 2015 Share Posted August 31, 2015 then look at this That image to me dosnt make sense to me none of those sunspots have the same number so its not showing rebuild after decay of the same sunspot the image makes no sense Link to comment Share on other sites More sharing options...
Marcel de Bont Posted August 31, 2015 Share Posted August 31, 2015 From what I understand Once a sunspot starts to decay it dosnt stop. I could be wrong though.That's not always true. We often see that when a sunspot starts to decay it doesn't stop but there are always exceptions where sunspot groups decay for a while and then start to grow again. It isn't that common but it can happen. Link to comment Share on other sites More sharing options...
AbeH Posted August 31, 2015 Share Posted August 31, 2015 That's not always true. We often see that when a sunspot starts to decay it doesn't stop but there are always exceptions where sunspot groups decay for a while and then start to grow again. It isn't that common but it can happen.Ok well thanks for telling me that I didnt know that could happen. Link to comment Share on other sites More sharing options...
Maxime Fiset Posted September 1, 2015 Author Share Posted September 1, 2015 Is it possible that region 2403 just had a CME that can be seen on the Stereo A imagery? Link to comment Share on other sites More sharing options...
Tomasz Mielec Posted September 1, 2015 Share Posted September 1, 2015 You mean this CME ? If you looking for STEREO it might be 2403 but i'm not sure Link to comment Share on other sites More sharing options...
Maxime Fiset Posted September 1, 2015 Author Share Posted September 1, 2015 This one. It's the same, but seen from the other side, it gives this : Link to comment Share on other sites More sharing options...
Marcel de Bont Posted September 1, 2015 Share Posted September 1, 2015 2403 was located on the Sun's southern hemishphere and this CME is going north so unlikely it was 2403. Looks more like a far side filament to me. Any CME from 2403 would be directed towards the left (east) on STA as that's where 2403 is now in STA perspective. It is on the east limb if you watch STA. Link to comment Share on other sites More sharing options...
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