Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

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pupak
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Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

The very first light on the test set. Uncollimated Newton without adjustments and apertures.
I wanted to test whether such a combination would bring a usable result. Seeing was bad, Quark set by guesswork, but the first photo suggests it should work. Be forgiving.
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detail
detail
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SunN200a.jpg
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SunN200b.jpg
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SunN200c.jpg
SunN200c.jpg (627.06 KiB) Viewed 2705 times


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by marktownley »

Good luck!

I've not seen this when tried before work with any prolonged success, maybe you will be the first! ;)


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

I like to walk untrodden paths all my life. :)


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by MapleRidge »

Excellent results for the setup...well done :bow

I was able to get my quark combo to work on a 150mm newtonian, but it wasn't well suited to put Newtonian in the observatory so I didn't pursure the idea. Good luck with yours!

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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

New configuration. N200/F6, (176/F6.8), D-ERF1800mm, LS80DSII + Quark + IMX432. Very good for prominence in right colors.
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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by banjo »

nice picture ,
you can give a detailed photo of the last assembly
Paul


bresser/messier 150/1200 (or 200/1800 Istar ) Mod -D-Erf 160mm intern-glasspath 1.25-etalon Pst barlow X2 ASI174
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sorry for my English translators google :mrgreen:
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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

The assembly is disassembled and will be reconstructed as a lattice structure.
As soon as I finish it, I will post the photos here.


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by allhoest »

For some unknown reason, the netwon tubes are more prone to instrumental turbulence than closed tubes (HaT, refractors).

I would suggest to rebuild your setup as an open system, like a truss, if you have the chance to do so.

Probably the DERF let 100nm passing through (I don't know the exact spectral curve), so you can figure how much heat will pass through.

Your mirror coating is probably of standard type -> It will absorb ~8% of the incident heat.
Then reflect toward the secondary, which will also absorb ~8%.

CS
Alex


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by Carbon60 »

The last image is a beauty. Nice one.

Stu.


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

I am building a new telescope as an open tube. The primary mirror 200mm/F6 has a coating of 98% reflectivity, the secondary 96%. In addition to the main D-ERF 180mm, the set also includes a 2" ERF LUNT. The central shading will be reduced by using a 44mm diameter mirror. The Lunt LS80 will be used as a double etalon in combination with Quark.
Sorry for my poor english.


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by OlegLviv »

Am wainting your new tube because wants too big aperture 150mm hand made! Your English normal friend how my=))) I want buy ERF but 800$ and tax more for me.....


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

It's quite an expensive project. 180mm D-ERF 1700,- Euro, mirrors 600,- Euro, duralumin 450,- Euro, two etalons 4,000,- Euro and my work is priceless. :lol:


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

This is the cause of the delay of the solar N200/F6 project. Today I finished a new mount with harmonic gears for my friend and tomorrow the Newton project starts. :hamster:
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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by pupak »

Now is Sun missing only.
N179/F6.5 .
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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by christian viladrich »

Very nice OTA. Well done !


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Re: Solar N200/F4 (176/F4.5) + Quark Chromo + D-ERF 180mm + ASI174M

Post by marktownley »

Very cool setup!


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