Re: 14" newton on ap900


Feb 12 8:18 AM

 


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#35079 Feb 12 8:18 AM

Hi group



I came across a 14" f/4.6 orion optics mirror PV10 (zygo report), and in good condition. I do own an AP900, it carries my orion optics CT10 (10" f/4.8) perfectly. The new scope with guide scope and camera will be close to the max capacity of the mount. Is it crazy to attempt this?

Morten



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#35080 Feb 12 8:20 AM

I use a 14" OO on a Gemini G41, comparable to a AP900. No issue at all.

The tubes are very (too) light. It would be a bit heavy for my AP600 :)



Maarten



www.supernovae.be



Op 12/02/2012 17:18, lacour.morten schreef: >

> Hi group

>

> I came across a 14" f/4.6 orion optics mirror PV10 (zygo report), and

> in good condition. I do own an AP900, it carries my orion optics CT10

> (10" f/4.8) perfectly. The new scope with guide scope and camera will

> be close to the max capacity of the mount. Is it crazy to attempt this?

> Morten

>

>







[Non-text portions of this message have been removed]



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#35128 Feb 13 12:38 AM

Hi Morten,



I used to run My Orion Optics AG12 on a 900gto worked fine with superb guiding. I upgraded to a AG14 F3.8 The AP900 carried the weight no problem, but the slightest breeze and the guiding suffered.



So much so I sold the AP900 and put my name down for the next AP1200 run.



It's really the length of the OTA which will be the limiting factor, with the 14" Newt you will have the mass of the mirror and cell at one end and the focuser and camera at the other separated by about 1.7m.



The beauty of the AP mounts is that they give a trouble free performance so you can concentrate on the imaging, you just forget they are doing their job.



A 14 incher on a 900 is really pushing the envelope, I think you will have good nights and bad nights. Three months and your name will be down for a 1200!!!



Kind regards



Simon

--- In ap-gto@yahoogroups.com, "lacour.morten" lacour.morten@...> wrote:

>

> Hi group

>

> I came across a 14" f/4.6 orion optics mirror PV10 (zygo report), and in good condition. I do own an AP900, it carries my orion optics CT10 (10" f/4.8) perfectly. The new scope with guide scope and camera will be close to the max capacity of the mount. Is it crazy to attempt this?

> Morten

>



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#35133 Feb 13 7:29 AM

Hi Simon



That's exactly what I feared.

Maybe the 14" monster will be the one that have to go...

I'll try it out on quiet nights.

The 12" could be a compromise.I have to carry the rig in and out, as building regulations (and the risk of theft) prohibit a permanent, and secured observatory.



Morten

--- In ap-gto@yahoogroups.com, "Simon" scw@...> wrote:

>

> Hi Morten,

>

> I used to run My Orion Optics AG12 on a 900gto worked fine with superb guiding. I upgraded to a AG14 F3.8 The AP900 carried the weight no problem, but the slightest breeze and the guiding suffered.

>

> So much so I sold the AP900 and put my name down for the next AP1200 run.

>

> It's really the length of the OTA which will be the limiting factor, with the 14" Newt you will have the mass of the mirror and cell at one end and the focuser and camera at the other separated by about 1.7m.

>

> The beauty of the AP mounts is that they give a trouble free performance so you can concentrate on the imaging, you just forget they are doing their job.

>

> A 14 incher on a 900 is really pushing the envelope, I think you will have good nights and bad nights. Three months and your name will be down for a 1200!!!

>

> Kind regards

>

> Simon

>

> --- In ap-gto@yahoogroups.com, "lacour.morten" lacour.morten@> wrote:

> >

> > Hi group

> >

> > I came across a 14" f/4.6 orion optics mirror PV10 (zygo report), and in good condition. I do own an AP900, it carries my orion optics CT10 (10" f/4.8) perfectly. The new scope with guide scope and camera will be close to the max capacity of the mount. Is it crazy to attempt this?

> > Morten

> >

>


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