What's wrong???
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Re: What's wrong???
Maurits,
doesn't the 2" nosepiece you are using (left) no internal thread on the scope side?
If yes I would try to place the reducer there and see.
That is the only combination I can make it work (with adapters I have) with a 1.25" GSO
Camera - Nosepiece - Reducer ---> eyerpiece adapter of the Quark.
P.
doesn't the 2" nosepiece you are using (left) no internal thread on the scope side?
If yes I would try to place the reducer there and see.
That is the only combination I can make it work (with adapters I have) with a 1.25" GSO
Camera - Nosepiece - Reducer ---> eyerpiece adapter of the Quark.
P.
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Re: What's wrong???
Third pic: This has a lot of vignetting.
Four pic: This is my 2" focal reducer with stepdown ring (2" to T2)
When I put the reducer with stepdown ring on the camera (T2 frontside) then I have no connection possible with the eliminator (T2).
Four pic: This is my 2" focal reducer with stepdown ring (2" to T2)
When I put the reducer with stepdown ring on the camera (T2 frontside) then I have no connection possible with the eliminator (T2).
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Re: What's wrong???
Thanks Paul ...
Last edited by MAURITS on Sun Feb 17, 2019 9:20 pm, edited 1 time in total.
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Re: What's wrong???
I think it's T2? It's the standard ZWO tilt adapter so it threads directly to their cameras. I can put my 2" after the tilt adapter too, it vignettes there like yours.
Very best,
Very best,
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Re: What's wrong???
Thanks Marty, I believe I need a new stepdown ring from 2" male (on reducer front side) to T2 female (on eliminator back side).
So the imaging train would be: extensions, Quark, eliminator with on the front a 2" noisepiece, after the eliminator the reducer, after the reducer the camera.
The space between the reducer and the eliminator is for the new stepdown ring (2" to T2).
A simulation pic as example.
So the imaging train would be: extensions, Quark, eliminator with on the front a 2" noisepiece, after the eliminator the reducer, after the reducer the camera.
The space between the reducer and the eliminator is for the new stepdown ring (2" to T2).
A simulation pic as example.
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Re: What's wrong???
Are the newtonian rings so bad that you need the eliminator?
I actually don't even use my tilt adapter when doing high res. I don't have rings, and even when I sometimes do, a flat calibration frame removes them.
I use my tilt adapter mainly for full discs where I cannot do calibration frames.
Very best,
I actually don't even use my tilt adapter when doing high res. I don't have rings, and even when I sometimes do, a flat calibration frame removes them.
I use my tilt adapter mainly for full discs where I cannot do calibration frames.
Very best,
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Re: What's wrong???
Marty when the weather stay good I will try again without the eliminator and see what it is.
Indeed, with flat frame calibration I can try to remove them, I look forwards.
Indeed, with flat frame calibration I can try to remove them, I look forwards.
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Re: What's wrong???
Hello Maurits,
going through my older notes, realized I never got it working with the reducer in front of the NR eliminator. (Luckaly if I put the reducer in front of the ASI178 there are no NR's) But got some inspiration from this post to try a few other combinations. (But busy with other things like making a new motor focus controller, writing the software for it ...)
Regards,
Paul
going through my older notes, realized I never got it working with the reducer in front of the NR eliminator. (Luckaly if I put the reducer in front of the ASI178 there are no NR's) But got some inspiration from this post to try a few other combinations. (But busy with other things like making a new motor focus controller, writing the software for it ...)
Regards,
Paul
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Re: What's wrong???
Incredible but everything right away works fine for HR imaging the sun.
I have removed the eliminator.
So my imaging train is now: extensions, Quark with 2" eyepiece holder, 2" reducer in the Quark's eyepiece holder and the camera there behind.
I don't see newton rings …
Along this way, I would like to thank everyone who has helped me.
I have removed the eliminator.
So my imaging train is now: extensions, Quark with 2" eyepiece holder, 2" reducer in the Quark's eyepiece holder and the camera there behind.
I don't see newton rings …
Along this way, I would like to thank everyone who has helped me.