Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

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jp-brahic
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Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by jp-brahic »

Hello
here are some images of our star of this week with a pretty poor seeing (5 6/10) and under a permanent cloudy veil (heat wave obliges) average SSM of the week was 1.5", not very good for 230mm


Réfractor Special H-Alpha 230mm
PST MOD
Basler ACA1920-155
Genika Astro
F: 9080mm
Ech : 0.13"/ Pix
120/4500 images staked
Imppg , PSP




Image





Image





Image





Image

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: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by Carbon60 »

Very nice images, JP. Lots of fine detail in that large hedgerow prom.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
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jp-brahic
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Re: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by jp-brahic »

thank you Stu

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: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by PlaneSkies2 »

Wow, all amazing :bow
I especially like the first shot; Incredible depth! Reminds me of a "very, very rough day at sea" - A real Fire Storm :D


Steve

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Re: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by Derek Klepp »

Thanks JP


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Re: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by pedro »

Fantastic images JP, well processed and low noise


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Re: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by jp-brahic »

Steve, Pedro , Derek thank you
Steve, Indeed on the first one we see the depressions in the chromosphere caused by the solar spots

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: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by yltansg »

Nice capture of Proms and chromospheric details

Alfred


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Re: Solaractivity 26-28 Aug in H-Alpha Refractor 230mm , average seeing

Post by ffellah »

These images are pretty amazing, given the conditions, JP

Franco


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