Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

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Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Thu Aug 18, 2016 5:09 pm

Hello

i presents you a small animation on the group AR2577-74 realized on August 13th with a turbulence more than averages, deteriorating as the sun rose in the sky


55 images of 15sec spaced out by 30 sec , Génika Astro 2.11

On the other hand big problem with my flats which did not really work , I do not understand why !!!!

Size(Format) reduces to 75 %

Image

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by ffellah » Thu Aug 18, 2016 5:35 pm

Still very impressive, given the conditions.....

Franco



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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by Valery » Thu Aug 18, 2016 5:56 pm

Very nice capture, JP!

Thanks for sharing.


Valery.


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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Thu Aug 18, 2016 6:16 pm

Franco , Valery thank you for your clemency

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
Solar Télescope Cassegrain CFF 350mm F/D 20 Clearceram + ERF-D Tri Band 312mm ARIES Instruments.
TN 450mm F/D 4 Zerodur

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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by fjabet » Thu Aug 18, 2016 8:39 pm

Nice result given the conditions Jean Pierre !


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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by Montana » Fri Aug 19, 2016 9:06 am

Tremendous amounts of detail in this, it had me mesmerized for ages :bow :bow :bow

It is wicked that animations really show up the flats that fail, they are quite unforgiving. I'm sure you will sort the problem and the next will be perfect :hamster:
Alexandra



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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Fri Aug 19, 2016 4:46 pm

Fred, Alexandra thank you

Alexandra , i hope to do better next time with better Flats ;) and a better seeing!!! it's very difficult to obtain a good seeing for a long périod with this sampling

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
Solar Télescope Cassegrain CFF 350mm F/D 20 Clearceram + ERF-D Tri Band 312mm ARIES Instruments.
TN 450mm F/D 4 Zerodur

Web Site : http://jp-brahic.chez-alice.fr/

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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by MapleRidge » Sat Aug 20, 2016 2:10 am

Hi JP...

A very nice animation despite the issues you encountered. When the seeing is better the details are superb :bow

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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Sat Aug 20, 2016 6:13 am

thank you Brian

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
Solar Télescope Cassegrain CFF 350mm F/D 20 Clearceram + ERF-D Tri Band 312mm ARIES Instruments.
TN 450mm F/D 4 Zerodur

Web Site : http://jp-brahic.chez-alice.fr/

Astrobin : https://www.astrobin.com/users/jp-brahic/


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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Mon Aug 22, 2016 6:29 am

thank you Pedro

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
Solar Télescope Cassegrain CFF 350mm F/D 20 Clearceram + ERF-D Tri Band 312mm ARIES Instruments.
TN 450mm F/D 4 Zerodur

Web Site : http://jp-brahic.chez-alice.fr/

Astrobin : https://www.astrobin.com/users/jp-brahic/

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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by yltansg » Mon Aug 22, 2016 7:50 am

Hi JP,

The details are fantastic!! Congrats. A pity the flats failed. Any clue?

Alfred



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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by jp-brahic » Tue Aug 23, 2016 5:48 am

thank you Alfred

for the bad Flat , yes i have an idea , I shall test a new method the next time

JP


Réfractor Spécial H-Alpha (Istar optical ) 230mm F/D 9
Solar Télescope Cassegrain CFF 350mm F/D 20 Clearceram + ERF-D Tri Band 312mm ARIES Instruments.
TN 450mm F/D 4 Zerodur

Web Site : http://jp-brahic.chez-alice.fr/

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Re: Animation AR2577-74 ( Aug 13th ) Réfractor 230mm H-Alpha

Post by Carbon60 » Tue Aug 23, 2016 5:58 am

Beautiful levels of detail with lots of subtle movement, JP.

Good luck with the improvements.

Stu.


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