ED80 APO Triplet Can I use it for HA imaging?

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DonnyM
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ED80 APO Triplet Can I use it for HA imaging?

Post by DonnyM » Sun Oct 26, 2014 9:11 pm

Currently I am using a Single Stack PST40 from Mexico Meade. It has given me very good views and some decent images using a ZWO ASI 120mm Monochrome camera.

I also have a Explorer Scientific 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor that I used to use for wild field imaging at night. A Lunt 80mm is $3200. So I know I can't compare to that but I was wondering what filter etc could I add to my little ED80 to give me better images than I can get with my PST40.

I have seen posts about the Quark. Not sure if that would be a good option or something else. I would like HA not white light. Proms would be good to photograph also. My budget is around $1000 USD. Is it even worth doing or just save for a couple years and get the Lunt 80 single stack?

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Meade PST 40, ZWO ASI 120mm Mono, Canon t4i, ED80 Triplet APO, TPO 6" f9 Ritchey-Chretien Astograph

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DonnyM
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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by DonnyM » Mon Oct 27, 2014 3:05 pm

I would rather not Mod my PST I would like to keep that as a grab and go visual. The Triplet is already paid for and not used for night so I just thought it might be a option instead of buying a whole new scope.

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Meade PST 40, ZWO ASI 120mm Mono, Canon t4i, ED80 Triplet APO, TPO 6" f9 Ritchey-Chretien Astograph

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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by swisswalter » Mon Oct 27, 2014 8:26 pm

Hi Donny

I feel with you, but theres seems to be no way around a LUNT 80 or 100
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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by edobosz » Wed Oct 29, 2014 11:35 am

I think the only thing within your budget range is probably the Quark. I would check through the various Quark posts in the forum for its performance in various scope configurations.
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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by grimble_cornet » Fri Nov 07, 2014 12:37 am

Donny, for what it's worth........

Quark performance with a range of scopes:
Scopes for the Quark.jpg
Quark plus Lunt 60mm (achromat) and x0.5 focal reducer - 12 pane mosaic:
Lunt60 Quark-5 Grasshopper Mosaic 2014 0511 1252 u colourt.jpg
Quark plus Equinox 80mm (ED refractor):
Quark Eq80 Grasshopper3 1920x1440 reduced to 1200 pixels.jpg

Quark plus Equinox 120mm (ED refractor):
Eq120 Quark Grasshopper 2014 1910 1005 ut colour 800px.jpg
Eq120 Quark Grasshopper 2014 1910 1005 ut colour 800px.jpg (193.03 KiB) Viewed 1257 times
Your f6 80mm should work pretty well with a Quark. Hope the images above give you something to compare with your current pst images and images taken with Lunt 60/80 scopes by others in the forum.
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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by marktownley » Fri Nov 07, 2014 7:17 am

Yes, a quark is the way forward. I use one with a 70mm f6 - lots of pics taken with it on my website here http://brierleyhillsolar.blogspot.co.uk/ if you want to take a look and see what you can get...
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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by keithatrochdale » Fri Nov 07, 2014 11:23 am

What is a RAL100RS?
Nothing is foolproof to a sufficiently talented fool!

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Re: ED80 APO Triplet Can I use it for HA imaging?

Post by grimble_cornet » Fri Nov 07, 2014 1:44 pm

I guess it is a TAL 100RS - which is 100mm f10 refractor of Russian origin.
I obviously had a spelling deficit attack when I produced the table :oops:
I use one for CaK imaging in good conditions and I have recently tried it with the Quark - not ideal but it does work.


Updated table:
Scopes for the Quark.jpg
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