Test of a new 295mm D-ERF.

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Valery
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Test of a new 295mm D-ERF.

Post by Valery » Wed Apr 26, 2017 11:03 am

Hi folks,

These images were taken yesterday's morning, April 25 2017 when I performed a third test
of a recently finished 295mm D-ERF for our Hong Kong based customer Raymond Tse.

Telescope C11 280mm F/10 SCT equipped with DS etalons. Camera Basler 1920-155.

Seeing was quite unstable and variable. However I was lucky to catch two moments of
some seeing improvements.

Hope you like these pictures.


Valery
Attachments
AR2651 Apr 25 2017 280mm C11 ARIES 295mm D-ERF.png
AR2651 Apr 25 2017 280mm C11 ARIES 295mm D-ERF.png (1.04 MiB) Viewed 1444 times
AR2653 Apr 25 2017 280mm C11 ARIES 295mm D-ERF color.png
AR2653 Apr 25 2017 280mm C11 ARIES 295mm D-ERF color.png (981.71 KiB) Viewed 1444 times
Last edited by Valery on Wed Apr 26, 2017 2:43 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: Test of a new 295mm D-ERF.

Post by marktownley » Wed Apr 26, 2017 11:06 am

Looks like it works to me Valery! Good stuff!
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Re: Test of a new 295mm D-ERF.

Post by edobosz » Wed Apr 26, 2017 11:13 am

Very nice indeed Valery!! Lovely resolution and smoothed without affecting details.
Ted
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Re: Test of a new 295mm D-ERF.

Post by ffellah » Wed Apr 26, 2017 11:21 am

A pretty impressive image, Valery

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Re: Test of a new 295mm D-ERF.

Post by sulcis2000 » Wed Apr 26, 2017 6:49 pm

FANTASTIC shot Valery!
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Re: Test of a new 295mm D-ERF.

Post by GreatAttractor » Thu Apr 27, 2017 8:01 am

Excellent images!
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Re: Test of a new 295mm D-ERF.

Post by Derek Klepp » Thu Apr 27, 2017 8:24 am

I like the pics Valery I would say a happy customer.


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Re: Test of a new 295mm D-ERF.

Post by zorgdotnl » Thu Apr 27, 2017 11:48 am

Impressive!!!

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Re: Test of a new 295mm D-ERF.

Post by Montana » Thu Apr 27, 2017 2:34 pm

Oh my ***!!!!!!

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Re: Test of a new 295mm D-ERF.

Post by MapleRidge » Sun Apr 30, 2017 2:42 pm

Hi Valery...

Excellent resolution on those images...very sharp indeed :bow

Could you please expand a little on the optical setup here? What are you using as amplification optics, or is it native f10 SCT focus?

Thanks,
Brian
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Re: Test of a new 295mm D-ERF.

Post by Valery » Mon May 01, 2017 1:31 pm

Thanks you all, folks, for your kind words.


Valery
"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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