Date   

Re: Is this tilt in the image train?

Bill Long
 

Mine was fixed in Houston as well. AndySea on CN had to have his sent back to Japan.


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Luca Marinelli <photo@...>
Sent: Monday, September 27, 2021 2:45 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Is this tilt in the image train?
 
No, the collimation for my FSQ106 was performed in Houston. It didn’t have to go to Japan.

Luca

On Sep 27, 2021, at 5:40 PM, Tom Blahovici via groups.io <tom.va2fsq@...> wrote:

Ok, that's how it should be.  Was never like that for me, from day 1.
Did they send it to Japan?
Seems like the normal situation is 4 months without Japan!!


Re: SH2-171 on Mach2 and new Moravian c3 61000 Pro (Sony IMX 455)

Andrea Lucchetti
 

thank you Luca!


Re: SH2-171 on Mach2 and new Moravian c3 61000 Pro (Sony IMX 455)

Andrea Lucchetti
 

Eric, see here below:
Q:Did you purchase your Moravian equipment direct from the factory or are you fortunate enough to have a distributor nearby?
A: I have a distributor now  but I can tell you I bought the first camera directly from them and it was the same. but I understand the concern. sending material in the US from here is a nightmare (if you don't fix the papers before the shipment you get 24% duties on the original value...)

Q:Do you have any experience with their OAG or Ethernet adapter? Although, I don’t see much use for the later.
A: no, in the past I had a monster MOAG from Astrodon. I suppose the OAG is perfect if you use a moravian guider. I've tried a usb 3.0 extender and it works. of course if you need to run cables in conduits that doesn't work but in my experience it is better to have a pc nearby and have a remote desktop connection to that pc.

Q:You mentioned the cooling was effective, but not impressive. Do you have the standard or enhanced cooling model?
A: standard model. with this cmos I don't think a few degrees below really matters.  noise is very low in any case. and the camera lighter.

You can always PM me if you need more info, pictures, frames, etc
Andrea


Il giorno lun 27 set 2021 alle ore 22:45 Eric Weiner <weinere@...> ha scritto:


Andrea,

Thank you for the thoughtful response. Receiving such positive feedback from a long time user is very helpful. I use 2” mounted Chroma filters myself, so I understand your suggestion regarding FW sizing. I’m currently running HaRGB, but Oiii and Sii are on my long purchase list.

I do have a few questions when you have time:

Did you purchase your Moravian equipment direct from the factory or are you fortunate enough to have a distributor nearby?

Do you have any experience with their OAG or Ethernet adapter? Although, I don’t see much use for the later.

You mentioned the cooling was effective, but not impressive. Do you have the standard or enhanced cooling model?

I live in the USA, so I am a little apprehensive about a European camera because of the potential for customer support difficulties, but we don’t have any good enthusiast level North American camera options at the moment anyhow. As everyone knows, the Chinese camera manufacturers’ customer and software/driver support is atrocious. At least from North America it is. I’m sure dealing with the folks in the Czech Republic would be much easier. 

Thanks again for taking the time to send this information. I will gladly contact you if I think of any more questions.

Regards,
Eric









Re: Is this tilt in the image train?

Joseph Beyer
 
Edited

Tom,  

I have a 2016-2017 vintage FSQ-106, the model where they changed the color from white to a bluish white.  I’ve used a full frame Nikon D800 for several years and it will produce pinpoint stars across the entire sensor.  I’ve not had a problem with my current scope as long as I’ve owned it. 

I recently purchased an ASI6200 and am dealing with the same problem you are.  Given my prior camera experience I know it’s the new camera causing problems. Initially I connected my filter wheel to the camera with the stock tilt adjuster sandwiched in between.  Images were terrible with elongation of stars nearly across the frame.  I removed the tilt adjuster and immediately got better stars but not great yet. Here is the first test image with 30 X 90 second exposures (45 min) https://www.astrobin.com/wgfes0/0/ . The image is completely full frame with no cropping and was calibrated with only darks and bias as I was interested in seeing what degree of vignetting I was going to get with m48 connectors.  I’ve since purchased a Gerd Neumann CTU but haven’t gotten it set up due to the terrible conditions we’ve had out here in CA. 


My first guess is tilt for your system.  


Joe


Re: Is this tilt in the image train?

Luca Marinelli
 

No, the collimation for my FSQ106 was performed in Houston. It didn’t have to go to Japan.

Luca

On Sep 27, 2021, at 5:40 PM, Tom Blahovici via groups.io <tom.va2fsq@...> wrote:

Ok, that's how it should be.  Was never like that for me, from day 1.
Did they send it to Japan?
Seems like the normal situation is 4 months without Japan!!


Re: APCC Temperature readings

Sébastien Doré
 

Hi Sam,
 
In addition to what Dale said, you might want to take a look at this post : https://ap-gto.groups.io/g/main/message/78579 and maybe to the whole thread on this subject.

Using OCH you can retrieve both atmospheric pressure and RH (which are relevant to the APPC modeling feature) from a free online service provider (OpenWeatherMap) without adding any sensor. The fetched data can then be used and mixed with your current temp sensor using the ASCOM Observing Conditions Hub (OCH). That'll work only if you have internet access from your location, obviously. 
 
Hope this helps.
 
Clear skies!
Sébastien


Re: Is this tilt in the image train?

Tom Blahovici
 

Ok, that's how it should be.  Was never like that for me, from day 1.
Did they send it to Japan?
Seems like the normal situation is 4 months without Japan!!


Re: Is this tilt in the image train?

Luca Marinelli
 

Better frame with more stars (widefield Sh2-155, the Cave Nebula).

 

Luca

 

 

 

From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Luca Marinelli via groups.io
Sent: Monday, September 27, 2021 5:21 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Is this tilt in the image train?

 

This is what mine looks like after its trip to Houston. It still needs a slight tweak of one of the corners and I think I can bring the entire frame to eccentricity <0.45.

 

Tom: Tak USA requested that I install the original focuser back on before sending the telescope in. They test on the bench with an eyepiece at high magnification and under the stars with a full frame DSLR (not as punishing as the ASI6200MM).

 

Luca

 

From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Bill Long via groups.io
Sent: Monday, September 27, 2021 5:16 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Is this tilt in the image train?

 

The FSQ106 has an 88mm imaging circle.

 


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Brian Valente <bvalente@...>
Sent: Monday, September 27, 2021 2:08 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Is this tilt in the image train?

 

Is the FSQ even capable of supporting a true full frame 35mm like the 6200?

 

I would be surprised if the image circle was that good. 

 

When we went to stellarvue for the SVX80T and the 6200, they had to hand-pick the telescope and flattener, and even then it's very very sensitive to any tilts or backfocus distances

 

On Mon, Sep 27, 2021 at 12:57 PM Tom Blahovici <tom.va2fsq@...> wrote:

The camera is a full frame ASI6200.
As to going back to Takahashi, that's always a pain from up here in Canada.  From what I have heard it could be a few weeks or months if it has to go to Japan.


 

--

Brian 

 

 

 

Brian Valente


Re: Is this tilt in the image train?

Luca Marinelli
 

This is what mine looks like after its trip to Houston. It still needs a slight tweak of one of the corners and I think I can bring the entire frame to eccentricity <0.45.

 

Tom: Tak USA requested that I install the original focuser back on before sending the telescope in. They test on the bench with an eyepiece at high magnification and under the stars with a full frame DSLR (not as punishing as the ASI6200MM).

 

Luca

 

From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Bill Long via groups.io
Sent: Monday, September 27, 2021 5:16 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Is this tilt in the image train?

 

The FSQ106 has an 88mm imaging circle.

 


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Brian Valente <bvalente@...>
Sent: Monday, September 27, 2021 2:08 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Is this tilt in the image train?

 

Is the FSQ even capable of supporting a true full frame 35mm like the 6200?

 

I would be surprised if the image circle was that good. 

 

When we went to stellarvue for the SVX80T and the 6200, they had to hand-pick the telescope and flattener, and even then it's very very sensitive to any tilts or backfocus distances

 

On Mon, Sep 27, 2021 at 12:57 PM Tom Blahovici <tom.va2fsq@...> wrote:

The camera is a full frame ASI6200.
As to going back to Takahashi, that's always a pain from up here in Canada.  From what I have heard it could be a few weeks or months if it has to go to Japan.


 

--

Brian 

 

 

 

Brian Valente


Re: Is this tilt in the image train?

Bill Long
 

The FSQ106 has an 88mm imaging circle.


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Brian Valente <bvalente@...>
Sent: Monday, September 27, 2021 2:08 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Is this tilt in the image train?
 
Is the FSQ even capable of supporting a true full frame 35mm like the 6200?

I would be surprised if the image circle was that good. 

When we went to stellarvue for the SVX80T and the 6200, they had to hand-pick the telescope and flattener, and even then it's very very sensitive to any tilts or backfocus distances

On Mon, Sep 27, 2021 at 12:57 PM Tom Blahovici <tom.va2fsq@...> wrote:
The camera is a full frame ASI6200.
As to going back to Takahashi, that's always a pain from up here in Canada.  From what I have heard it could be a few weeks or months if it has to go to Japan.



--
Brian 



Brian Valente


Re: Is this tilt in the image train?

 

Is the FSQ even capable of supporting a true full frame 35mm like the 6200?

I would be surprised if the image circle was that good. 

When we went to stellarvue for the SVX80T and the 6200, they had to hand-pick the telescope and flattener, and even then it's very very sensitive to any tilts or backfocus distances

On Mon, Sep 27, 2021 at 12:57 PM Tom Blahovici <tom.va2fsq@...> wrote:
The camera is a full frame ASI6200.
As to going back to Takahashi, that's always a pain from up here in Canada.  From what I have heard it could be a few weeks or months if it has to go to Japan.



--
Brian 



Brian Valente


Re: Is this tilt in the image train?

Tom Blahovici
 

Hi
Sounds like a plan. Did you remove the nightcrawler and put back the stock focuser when you shipped it to tak?
I would hope they don't rely on a take focuser that could be out of alignment also.
Tom


Re: Off Topic-NUC Computer

mikela
 
Edited

I do solar imaging and recently decided on an i5 (NUC8i5BEK)  which is the shorter version of Linwood's model.  At the moment, I am having self inflicted port issues.  I inadvertently converted ports 3 and 4 into virtual ports and seemingly cannot undo it.  I run Windows 10 Pro with APCC, NINA, Stellarium, FocusLynx Commander, Spike-a Flat USB Dimmer, FireCapture and Sun Scintillation Monitor.  Prior to my port issue, this system was performing plate solving a slight bit faster than the same setup on a Dell i7 XPS-15 laptop.  At idle, it is using around 5W.  I have also read that most 8th generation and above hardware will likely be OK for Windows 11.


Re: SH2-171 on Mach2 and new Moravian c3 61000 Pro (Sony IMX 455)

Luca Marinelli
 

Beautiful image, Andrea! Congratulations on the new camera.

 

Luca

 

 

From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Andrea Lucchetti via groups.io
Sent: Monday, September 27, 2021 4:05 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] SH2-171 on Mach2 and new Moravian c3 61000 Pro (Sony IMX 455)

 

Eric, 
I used to own their G16803 for about 7 years so I think I know very well Moravian.
the C3 camera I have now has an exetrnal filter wheel , 5 position 50x50mm.
I decided to stick to my moravian filter set from the previous camera and opted for that FW.
if you will decide, I suggest to consider a smaller set but 7 positions: i think my wheel (medium size) can get 7 2 inches round filters.
This camera is a monster with narrow band, and you could like to have O3 and ha.
The camera is very well built, usb 3, fast download time (2x2 is less than one second).
It is not like the FLI proline, but it is about 2.8kg with filter wheel.
don't expect any of the low cost cameras issues: cooling issues, tilting, etc.
they work as advertised

The software package is maintained and sees several updates during the year to support new cameras or features.
They have native drivers for skyx, driver for linux, indi,ascom.
At present they don't have a native driver for NINA ( I requested this) but the Ascom one works just fine.
For people living in Europe support is also very easy, no need for complex custom declarations when you send the camera for maintenance or repair.
Support is great: during the years they helped me to update the electronics till that was possible.

Please let me know if you need specific info and I'll try to answer

Andrea





I have no interest in Moravian but I like their work


Re: Is this tilt in the image train?

Luca Marinelli
 

Tom,

 

While most likely there are optical aberrations contribute to what you are seeing, there is a simple test that you can run to see how much tilt is affecting your image. Run a set of exposures from outside of focus to inside of focus. With the Nitecrawler on this OTA and camera, I would recommend starting about 1,000 steps outside of focus and moving in 250 steps at a time. If there is tilt in your system, there has to be a line with stars in focus that moves through your images with each frame. This will allow you to look at the shape of stars inside and outside of focus both on and off axis. If there are aberrations (coma, astigmatism, and curvature are prime culprits) due to misalignment of the four lenses, it will be very obvious.

 

I just went through this with the same OTA and camera this past Spring. I had been using my OTA with smaller sensors (ASI1600, Atik 383L+) and then a bigger sensor but with large pixels (FLI ML16200), which gave good results without any obvious star shape problems. When I put the ASI6200MM on the OTA in the Winter it was a mess. Using the Sidewinder I was able to get it to be somewhat acceptable but definitely not great. I sent the OTA to Houston in May and received it back in late August. It’s very much improved and after some minor adjustment for sensor tilt is now giving a tight star field all over the field of view.

 

Luca

 

From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Tom Blahovici via groups.io
Sent: Monday, September 27, 2021 3:58 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Is this tilt in the image train?

 

The camera is a full frame ASI6200.
As to going back to Takahashi, that's always a pain from up here in Canada.  From what I have heard it could be a few weeks or months if it has to go to Japan.


Re: Is this tilt in the image train?

Eric Weiner
 

Have you tried reinstalling the OEM focuser and giving it a quick test? Have you performed any collimation tests?

Eric


Re: SH2-171 on Mach2 and new Moravian c3 61000 Pro (Sony IMX 455)

Eric Weiner
 

Andrea,

Thank you for the thoughtful response. Receiving such positive feedback from a long time user is very helpful. I use 2” mounted Chroma filters myself, so I understand your suggestion regarding FW sizing. I’m currently running HaRGB, but Oiii and Sii are on my long purchase list.

I do have a few questions when you have time:

Did you purchase your Moravian equipment direct from the factory or are you fortunate enough to have a distributor nearby?

Do you have any experience with their OAG or Ethernet adapter? Although, I don’t see much use for the later.

You mentioned the cooling was effective, but not impressive. Do you have the standard or enhanced cooling model?

I live in the USA, so I am a little apprehensive about a European camera because of the potential for customer support difficulties, but we don’t have any good enthusiast level North American camera options at the moment anyhow. As everyone knows, the Chinese camera manufacturers’ customer and software/driver support is atrocious. At least from North America it is. I’m sure dealing with the folks in the Czech Republic would be much easier.

Thanks again for taking the time to send this information. I will gladly contact you if I think of any more questions.

Regards,
Eric


Re: Is this tilt in the image train?

Bill Long
 

I highly doubt it's the focuser. I hang an 11lb camera system off the back of the NC with no flex, sag, etc. The ASI camera package with wheel and OAG weigh less than the filter wheel I have in use.

I suspect the telescope. I have owned an FSQ in the past and had to send it in for collimation as well. Mine did not have to go to Japan, but others in the same boat had to. 




From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tom Blahovici <tom.va2fsq@...>
Sent: Monday, September 27, 2021 1:21 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Is this tilt in the image train?
 
Hi
The image may be somewhat misleading.  The horizontal zoom, results in an image of 85" wide.  So it is extremely zoomed in. CCD inspector shows a tilt of 3-4 arc seconds.
Interestingly, I look through lots of past images and the tilt seems to change depending on where in the sky I am pointing.
Sound like flex, however I have gone through 3 image trains.  All do the same. It's as if something is lose in a cell somewhere in the telescope. 
Currently I am using a Moonlight nightcrawler with all screw in adapters.


Re: Is this tilt in the image train?

Tom Blahovici
 

Hi
The image may be somewhat misleading.  The horizontal zoom, results in an image of 85" wide.  So it is extremely zoomed in. CCD inspector shows a tilt of 3-4 arc seconds.
Interestingly, I look through lots of past images and the tilt seems to change depending on where in the sky I am pointing.
Sound like flex, however I have gone through 3 image trains.  All do the same. It's as if something is lose in a cell somewhere in the telescope. 
Currently I am using a Moonlight nightcrawler with all screw in adapters.


Re: Reflection in image

Martin Magnan
 

Hello

"t-thread extensions  + t-thread to 2 inch adapter + 2 inch extensions + CCDT67"

I once had a very similar setup and the internal reflection was caused by a "shiny" adapter. The problem was solved by flocking the inside of the adapter with black hockey tape.

Martin

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