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Solar Analemma. This outstanding image from Alexandra Hart taken over a period of 4 years charts the midday position of the sun in the sky throughout the year. The north–south component of the analemma results from the change in the Sun's declination due to the tilt of Earth's axis of rotation. The east–west component results from the nonuniform rate of change of the Sun's right ascension, governed by combined effects of Earth's axial tilt and orbital eccentricity.

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Sol from the 11th of January 2020.

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eroel
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Sol from the 11th of January 2020.

Post by eroel » Sun Jan 12, 2020 10:35 pm

Hi:
Some shots from the 11th, it was sunny but with a high altitude thin cloud cover.
Thanks for looking.
Eric.
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1pos.jpg
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1pos.jpg (867.34 KiB) Viewed 116 times
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1neg-pos.jpg
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1neg-pos.jpg (978.07 KiB) Viewed 116 times
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1pos-neg.jpg
Sol del 11 de enero 2020-Meade-CaK-PSTmod-1pos-neg.jpg (916.43 KiB) Viewed 116 times
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2pos.jpg
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2pos.jpg (993.39 KiB) Viewed 116 times
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2neg-pos.jpg
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2neg-pos.jpg (1.09 MiB) Viewed 116 times
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2pos-neg.jpg
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2pos-neg.jpg (1.24 MiB) Viewed 116 times
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2xpos.jpg
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2xpos.jpg (1.35 MiB) Viewed 116 times
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2xneg.jpg
Sol del 11 de enero 2020-Solarmax 90-DS-BF30-2xneg.jpg (1.5 MiB) Viewed 116 times
Sol del 11 de enero 2020-Stellarvue-Daystar-8b-az.jpg
Sol del 11 de enero 2020-Stellarvue-Daystar-8b-az.jpg (1.7 MiB) Viewed 116 times

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rsfoto
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Re: Sol from the 11th of January 2020.

Post by rsfoto » Mon Jan 13, 2020 12:30 am

Hola Eric,

As usual great shots of the Sun. Today no Sun in my hometown. Clouds since early in the morning.
regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

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ffellah
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Re: Sol from the 11th of January 2020.

Post by ffellah » Mon Jan 13, 2020 1:30 am

A beautiful set, Eric

Franco :bow

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Re: Sol from the 11th of January 2020.

Post by MAURITS » Mon Jan 13, 2020 6:18 am

Very nice images Eric.
Regards,
Maurits

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Re: Sol from the 11th of January 2020.

Post by marktownley » Mon Jan 13, 2020 6:32 am

Top shots Eric!
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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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Re: Sol from the 11th of January 2020.

Post by krakatoa1883 » Mon Jan 13, 2020 8:00 am

Great discs, Eric.

btw, on news channels I've seen Popocatepetl erupting, spectacular!
Raf
My solar images and reports with articles on solar equipment

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Re: Sol from the 11th of January 2020.

Post by JochenM » Mon Jan 13, 2020 10:23 am

Nice shots (as usual), Eric.

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Re: Sol from the 11th of January 2020.

Post by Montana » Mon Jan 13, 2020 10:35 am

Another set of beauties Eric, thanks for the magical view :bow :hamster:

Alexandra

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eroel
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Re: Sol from the 11th of January 2020.

Post by eroel » Mon Jan 13, 2020 3:47 pm

Alexandra and guys, thanks for the feedback.
Raf yes, Popocatéptl smokes all days a high altitude yellowish haze, but it also erupts continuously as you saw in the news.
Best regards to all,
Eric.

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