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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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Calcium with 6 "f8 and Ha

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oreoluna
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Calcium with 6 "f8 and Ha

Post by oreoluna » Wed Jun 05, 2019 8:05 pm

Hello everyone.
After some sun abstinence, again new results.
6 "f8 Apo, ARIES, Quntum CaK, Quantum DS with Lunt LS 50.

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Image

Best regards from Switzerland, Jozef

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Re: Calcium with 6 "f8 and Ha

Post by MalVeauX » Wed Jun 05, 2019 8:23 pm

Lovely captures, great Ca Jozef!

Very best,

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Re: Calcium with 6 "f8 and Ha

Post by ffellah » Thu Jun 06, 2019 12:23 am

Nice to see you imaging again, Jozef. These are pretty impressive.

Franco

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Re: Calcium with 6 "f8 and Ha

Post by marktownley » Thu Jun 06, 2019 12:37 am

Welcome back! Great shots!
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http://brierleyhillsolar.blogspot.co.uk/
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Re: Calcium with 6 "f8 and Ha

Post by yltansg » Thu Jun 06, 2019 2:16 am

Hi Jozef,

Lovely captures in HA and CAK.

Alfred

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Re: Calcium with 6 "f8 and Ha

Post by Valery » Thu Jun 06, 2019 2:31 am

Welcome back Jozef!

Very nice captures in both H-a and CaK.

CaK has unusual appearance - very 3-D like granulation. I often seen such a granulation when watching moments of best seeing for recording CaK movies.

Valery
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

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Re: Calcium with 6 "f8 and Ha

Post by Valery » Thu Jun 06, 2019 2:32 am

Wrong post.
Last edited by Valery on Thu Jun 06, 2019 2:11 pm, edited 1 time in total.
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.

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Re: Calcium with 6 "f8 and Ha

Post by Carbon60 » Thu Jun 06, 2019 5:37 am

Very nice images, Jozef. Superb CaK resolution.

Stu.
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Re: Calcium with 6 "f8 and Ha

Post by oreoluna » Thu Jun 06, 2019 8:12 am

Hi everyone.
Thank you for the kind feedback.

@Valery: the sky was white, and consistently bad seeing. Only moment that was good, see arrow. :evil:

Image

Jozef

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Re: Calcium with 6 "f8 and Ha

Post by oreoluna » Thu Jun 06, 2019 8:46 am

Pictures from yesterday.

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CS Jozef

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Re: Calcium with 6 "f8 and Ha

Post by Montana » Thu Jun 06, 2019 9:48 am

My goodness these are good! what a CaK picture! :hamster:

:bow
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Re: Calcium with 6 "f8 and Ha

Post by bart1805 » Thu Jun 06, 2019 1:30 pm

Absolutely stunning! And glad to see some new images taken by you. What kind of 6 inch apo are you using?

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Re: Calcium with 6 "f8 and Ha

Post by eroel » Thu Jun 06, 2019 1:48 pm

Jozef:
Superb CaK shots.
Best regards,
Eric.

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Re: Calcium with 6 "f8 and Ha

Post by oreoluna » Thu Jun 06, 2019 1:54 pm

Thanks Alexandra, Bart, Pedro, Eric.

Regards
Jozef

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Re: Calcium with 6 "f8 and Ha

Post by ffellah » Fri Jun 07, 2019 6:03 pm

Great additions, Jozef !

Franco

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Re: Calcium with 6 "f8 and Ha

Post by oreoluna » Sun Jun 09, 2019 4:13 pm

Thanks Franco.
Regards
Jozef

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Re: Calcium with 6 "f8 and Ha

Post by marktownley » Sun Jun 09, 2019 4:15 pm

Nice additions Jozef!
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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: Calcium with 6 "f8 and Ha

Post by MapleRidge » Mon Jun 10, 2019 1:49 am

Nice work Jozef, the CaK is especially sharp :bow

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Re: Calcium with 6 "f8 and Ha

Post by MAURITS » Mon Jun 10, 2019 8:14 am

Excellent captures Jozef.
Regards,
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