Sun 10 August 2018

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danpro1
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Sun 10 August 2018

Post by danpro1 » Sat Aug 11, 2018 1:35 am

Today's Sun, just before sunset, from the 12th floor of a condo building!

On Spaceweather: http://spaceweathergallery.com/indiv_up ... _id=147056

Daniel
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marktownley
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Re: Sun 10 August 2018

Post by marktownley » Sat Aug 11, 2018 10:53 am

Nice rig and nice shots Daniel! It's not AR12717 though, that passed over the limb a day or so ago, this is the remnants of what was AR12715 that first appeared mid June. AR12717 is what is designated here as AR12713 http://spaceweather.com/archive.php?vie ... &year=2018

The sunspot naming system can be confusing!

Here's the active region you photographed that I got a picture of in June, it's just to the left of centre https://brierleyhillsolar.blogspot.com/ ... -june.html
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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

danpro1
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Re: Sun 10 August 2018

Post by danpro1 » Sat Aug 11, 2018 12:34 pm

Thank you Mark for that correction.

I got the number from https://www.swpc.noaa.gov/products/solar-region-summary last night, thinking it was that region; I must have misunderstood the time window for data validity.
One question: how do I find the correct number of an active region on the current Sun, when the originating sunspots have disappeared and that old region comes around once more? I also found the site: https://www.raben.com/maps, where is shows 12717. Is there a more reliable website for this?

Thanks for your help,

Daniel

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marktownley
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Re: Sun 10 August 2018

Post by marktownley » Sun Aug 12, 2018 1:20 pm

Just to confuse things when they come around again they get renumbered. I tend to use solen http://www.solen.info/solar/images/charmap512.jpg
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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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Montana
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Re: Sun 10 August 2018

Post by Montana » Mon Aug 13, 2018 9:49 am

A beautiful presentation Daniel whatever the number, superb images :bow
Alexandra

danpro1
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Re: Sun 10 August 2018

Post by danpro1 » Sat Aug 18, 2018 7:05 pm

marktownley wrote:
Sun Aug 12, 2018 1:20 pm
Just to confuse things when they come around again they get renumbered. I tend to use solen http://www.solen.info/solar/images/charmap512.jpg
Thanks Mark, for this excellent source of information. I'll use it from now on.
Daniel

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