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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 10th of May 2019.

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eroel
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Sol from the 10th of May 2019.

Post by eroel » Sun May 12, 2019 2:05 am

Hi:
Yesterday, (Mothers day) had time to image with my 3 scopes at home, the Solarmax 90-DS, the 102mm f/9 Meade with a CaK PST mod and the 102mm f/7 Stellarvue with a 4X Baader telecentric and an old Daystar T-Scanner.
Here are the results of that day and thanks for looking.
The HR shots look better if opened in another window.
Wish you all a nice and sunny Sunday.
Eric.
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1an.jpg
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1an.jpg (783.09 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1inv.jpg
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1inv.jpg (841.22 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1inv-neg.jpg
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1inv-neg.jpg (857.64 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1neg.jpg
Sol del 10 de mayo del 2019-Meade-CaK-PSTmod-1neg.jpg (847.89 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1an.jpg
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1an.jpg (924.07 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1inv.jpg
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1inv.jpg (958.44 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1inv-neg.jpg
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1inv-neg.jpg (970.78 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1neg.jpg
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-1neg.jpg (958.43 KiB) Viewed 549 times
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-X-1an.jpg
Sol del 10 de mayo del 2019-Solarmax 90-DS-BF30-X-1an.jpg (1.77 MiB) Viewed 549 times
Mosaico solar del 10 de mayo del 2019-Meade-Herschel-1an.jpg
Mosaico solar del 10 de mayo del 2019-Meade-Herschel-1an.jpg (1.59 MiB) Viewed 549 times
Mosaico solar del 10 de mayo del 2019-Solarmax 90-DS-BF30-3an.jpg
Mosaico solar del 10 de mayo del 2019-Solarmax 90-DS-BF30-3an.jpg (2.86 MiB) Viewed 549 times
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-2an.jpg
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-2an.jpg (2.39 MiB) Viewed 549 times
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-3an.jpg
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-3an.jpg (2.64 MiB) Viewed 549 times
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-4an.jpg
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-4an.jpg (2.42 MiB) Viewed 549 times
Attachments
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-5an.jpg
Mosaico solar del 10 de mayo del 2019-Stellarvue-Daystar-5an.jpg (2.34 MiB) Viewed 549 times

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mattwastell
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Re: Sol from the 10th of May 2019.

Post by mattwastell » Sun May 12, 2019 7:04 am

Eric - another super collection - I love discs but the close ups & mosaics are sweet!
Matt Wastell



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p_zetner
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Re: Sol from the 10th of May 2019.

Post by p_zetner » Sun May 12, 2019 2:53 pm

Beautiful disks and mosaics, Eric.
Cheers.
Peter

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Re: Sol from the 10th of May 2019.

Post by MapleRidge » Sun May 12, 2019 3:39 pm

Excellent images Eric :bow

Brian
Brian Colville

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Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

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Re: Sol from the 10th of May 2019.

Post by marktownley » Sun May 12, 2019 7:02 pm

These look nice 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 10th of May 2019.

Post by MalVeauX » Sun May 12, 2019 7:17 pm

Excellent discs, Eric!

Very best,

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Re: Sol from the 10th of May 2019.

Post by Montana » Mon May 13, 2019 11:14 am

A very nice collection Eric, looks like you had a very good day :)
:bow
Alexandra

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Re: Sol from the 10th of May 2019.

Post by Astrophil » Mon May 13, 2019 6:27 pm

Eric,

Impressive set of images and outstanding mosaic.
Thanks,

Phil

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Re: Sol from the 10th of May 2019.

Post by Carbon60 » Mon May 13, 2019 6:32 pm

Excellent work, Eric. The Sun certainly put on a lovely show this week.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sol from the 10th of May 2019.

Post by eroel » Tue May 14, 2019 12:23 am

Alexandra and guys, thanks for looking and for the kind comments, most welcomed.
Best regards to all,
Eric.

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