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Old 24-07-2021, 09:47 AM
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Merlin66 (Ken)
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Solar Activity 23rd July 2021

The current activity in CaK and WL

Five defined AR visible: AR 2842/46/47/48/49. AR 2846 is the prominent small sunspot group to the north east of the meridian.
Ha surface and proms to follow......
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Old 24-07-2021, 09:49 AM
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Ha quick taster!!

Just a quick Ha image to show some of the activity!!
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Old 24-07-2021, 11:07 AM
Tropo-Bob (Bob)
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Nice images Ken!
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Old 24-07-2021, 11:40 AM
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Thanks Bob, appreciated.
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Old 24-07-2021, 01:43 PM
Eris (Gerard)
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A very nice comprehensive set of Ca K and WL images Ken. Looking forward to viewing your Ha images when they come through.
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Old 25-07-2021, 01:46 PM
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Ha images from the 23rd

Playing around with different processing, so bear with me...
Not the "usual", but interesting.
(I think I'll go back to the AS3! and ImPPG)
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Old 25-07-2021, 02:08 PM
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h0ughy (David)
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SoME nice stuff there Ken, and some pretty ordinary results as well.
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Old 25-07-2021, 02:52 PM
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Yeah, I have to agree David.
Next time........
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Old 25-07-2021, 02:55 PM
Eris (Gerard)
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Ken you have included some very interesting results from your experiments some of which are striking in a positive way. The Ha features really stand out in some of your images. What programs did you use to go down this path?
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Old 25-07-2021, 03:04 PM
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Merlin66 (Ken)
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Gerard,
I basically went back to processing with Registax 5/6.
AS3! seems to work well for me, I'll stick with it.

ImPPG has a bit more "finesse" and the results may not look as crisp (due to the seeing) but they never - to my eye - looked overcooked as sometimes with Registax.
(The visibility of the filaments/ filaproms comes down to etalon tuning - just off band and contrast adjustment)

Onwards and Upwards.
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Old 25-07-2021, 08:34 PM
Eris (Gerard)
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Yes. So many variables to contend with Ken. The results were worth the effort.
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