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Old 08-11-2020, 04:28 PM
Eris (Gerard)
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The Sun in Ha CaK and WL

The following images featured were taken through 3 telescopes.
Hydrogen Alpha images were single stacked through a 60mm Coronado Solarmax II. Cak was taken with an Orion ED80 CF Triplet, while the white light close up of AR2781 was imaged through a C11 on Nov 7 in average seeing.
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Click for full-size image (SUN Prominence 08112020.jpg)
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Click for full-size image (SUN CaK 08112020.jpg)
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Click for full-size image (SUN CaK AR2781 08112020.jpg)
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Click for full-size image (AR2781.jpg)
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Old 08-11-2020, 04:43 PM
Martin_S
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Great captures and presentation Gerard, the Cak close up is really good.

Martin
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  #3  
Old 08-11-2020, 05:17 PM
PeterM
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Super images Gerard. Really like how you presented the prom. Bravo.
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Old 08-11-2020, 05:36 PM
John W (John Wilkinson)
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A nice record of the AR Gerard. Thanks, John W.
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  #5  
Old 09-11-2020, 10:52 AM
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Merlin66 (Ken)
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Gerard,
Well done mate!
Your images are very good, I'm impressed.
Hopefully you'll continue to record this impressive AR for the next few days.
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Old 09-11-2020, 12:10 PM
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Tulloch (Andrew)
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Super impressive work there.

I want to get into some white light imaging, I have a solar filter for my 6" SCT, what's the best time of the day to image the sun?

Thanks for posting, Andrew
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Old 09-11-2020, 12:23 PM
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Merlin66 (Ken)
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Andrew,
The seeing conditions are usually better in the morning - more stable air.
Observing away from concrete/ road surfaces also helps. These heat up, retain the heat and cause local disturbance.
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Old 09-11-2020, 03:39 PM
Eris (Gerard)
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Thanks for your kind comments guys. As far as taking another look at this AR is concerned my prospects look bleak until at least next weekend.
Andrew, as for the best time to observe, I would go with Ken's comments and try to stay clear of iron and cement surfaces that radiate a lot of heat.
Good Luck
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