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Old 29-06-2021, 02:36 PM
John W (John Wilkinson)
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Sun on 29th June

A bit of luck today saw a clear patch in the noon sky for a few minutes - I was able to capture two images of the Sun's southern sector showing two active regions (numbered). The orange image is at Ha wavelength with a Lunt 100 Ha scope, the yellow image is at 540 nm thru a WO 81 mm scope. Both images are single exposures with a Canon 550d camera.

Thanks for viewing.
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Old 29-06-2021, 04:39 PM
Eris (Gerard)
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Nice shots John. Good to see that you got some of the Sun.
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Old 29-06-2021, 06:34 PM
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Merlin66 (Ken)
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Well done, John.
I got one CaK before technical issues stopped play....
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Old 30-06-2021, 11:45 PM
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Pretty good for single shots John. Could you tell me which yellow 540nm filter that you used and the type of white light filter used too?
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Old 01-07-2021, 10:53 AM
John W (John Wilkinson)
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Dave,
I use a Baader Herschel wedge with a Continuum filter 540 nm (narrowband). No other filter - I don't do white light. Cheers, John W.
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