Mosaic Mismatch alo...
 
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Mar 28 2026 APP 2.0.0-beta40 will be released in 7 days.

It did take a long time to have the work finished on this and it  will have a major performance boost of 30-50% over 2.0.0-beta39 from calibration to integration. We extensively optimized many critical parts of APP. All has been tested to guarantee correct optimizations. Drizzle and image resampling is much faster for instance, those modules have been completely rewritten. Much less memory usage. LNC 2.0 will be released which works much better and faster than LNC in it's current state. And more, all will be added to the release notes in the coming weeks...

Update on the 2.0.0 release & the full manual

We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version.

Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.

 

Mosaic Mismatch along only one seam

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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Hi

I've just downloaded a 30 day trial of APP and I have to say that I'm very impressed with the hassle free process of calibration, registration, stacking...and mosaic production.

I do, however, have one problem that I can't seem to work out:

I've been working on a mosaic of Simeis 147 and have so far acquired 6 out of my planned 12 panes using SGPro.

I've loaded all of the subs, along with calibration darks, flats and bias frames into APP using Sara's tutorial as a guide and APP does ok except on one vertical seam where it produces double stars (as per the stretched screen grab image attached). The affected seam is the left hand seam of the top right pane. All of the other seams are perfect - even the horizontal seam at the bottom of the same pane.

APP mismatch

I've tried this three times now, but always get the same result..on the same seam of the same pane.

Could anyone point me at a setting that I'm missing that could be the cause of this please?

Many thanks in advance.

Regards

Steve

 


This topic was modified 7 years ago by Mabula-Admin

   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Fixed it!

I had the Star Detection set at its default - when I increased it to 3000 (as stated in the mouse-over - Doh!) it worked.

Steve



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 
Posted by: Steve1962

Hi

I've just downloaded a 30 day trial of APP and I have to say that I'm very impressed with the hassle free process of calibration, registration, stacking...and mosaic production.

I do, however, have one problem that I can't seem to work out:

I've been working on a mosaic of Simeis 147 and have so far acquired 6 out of my planned 12 panes using SGPro.

I've loaded all of the subs, along with calibration darks, flats and bias frames into APP using Sara's tutorial as a guide and APP does ok except on one vertical seam where it produces double stars (as per the stretched screen grab image attached). The affected seam is the left hand seam of the top right pane. All of the other seams are perfect - even the horizontal seam at the bottom of the same pane.

APP mismatch

I've tried this three times now, but always get the same result..on the same seam of the same pane.

Could anyone point me at a setting that I'm missing that could be the cause of this please?

Many thanks in advance.

Regards

Steve

 

Hi Steve @steve1962,

Great project by the looks of it 😉

To further help you with the mosaic registration:

Indeed, increasing the amount of detected stars will help registration in the mosaic overlap areas.

Furthermore, disabling same camera and optics should help as well in addition to enabling dynamic distortion correction 😉

Do share your final result of this great object !

Cheers,

Mabula



   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Hi Mabula @mabula-admin

Thanks for your response - much appreciated.

Now that I've got that sorted, I'm very impressed with how seamlessly and easily APP has constructed this mosaic.

You asked to see the final result, but I'm afraid that a final result will be over a year away - so here's progress so far: six out of a planned twelve panes. Each pane is 6 x 30mins using an Atik 460ex through a 3nm Ha Chroma filter and a Tak FSQ106ED mounted on a 10u GM1000HPS. It was acquired using the Framing and Mosaic Wizard in SGPro.

This was calibrated, normalised, registered, integrated and assembled in APP with minor post processing in PI. This is only a scaled jpeg - the whole image is over 60Mb...so far!

Hope you like it

Linear 456789 Mosaic 6 panes each

Regards

Steve

Steve

 


This post was modified 7 years ago 3 times by Steve1962

   
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(@1cm69)
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Joined: 8 years ago
Posts: 131
 
Posted by: Steve1962

Hi Mabula @mabula-admin

Thanks for your response - much appreciated.

Now that I've got that sorted, I'm very impressed with how seamlessly and easily APP has constructed this mosaic.

You asked to see the final result, but I'm afraid that a final result will be over a year away - so here's progress so far: six out of a planned twelve panes. Each pane is 6 x 30mins using an Atik 460ex through a 3nm Ha Chroma filter and a Tak FSQ106ED mounted on a 10u GM1000HPS. It was acquired using the Framing and Mosaic Wizard in SGPro.

This was calibrated, normalised, registered, integrated and assembled in APP with minor post processing in PI. This is only a scaled jpeg - the whole image is over 60Mb...so far!

Hope you like it

Linear 456789 Mosaic 6 panes each

Regards

Steve

Steve

 

Fantastic result so far, really looking forward to the end product 👍

Kirk 



   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Thanks Kirk!

I’m pleased you think it’s ok.

It’s a really slow business - the weather here is rubbish - and the target is past its best for this season so it looks like another year before I can add to it. ☹️

Steve



   
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(@1cm69)
Neutron Star
Joined: 8 years ago
Posts: 131
 

Hi Steve,

all good things come to those who wait, so they say 😉 where's 'here' by the way, not the UK by any chance?

Kirk



   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Yup - I’m in Somerset. 💨💨🌧🌧🌧⛈⛈🌨🌨🌬🌬🌬💨Where are you??

Steve


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(@1cm69)
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Not a million miles away then, I’m in North Devon 

Kirk



   
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(@jonesdee)
Red Giant
Joined: 9 years ago
Posts: 40
 

Very nice indeed Steve !

Sharing your weather frustrations here in Nth Wiltshire  

Dave



   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Thanks Dave.

There’s a few of us under this perpetual cloud - maybe we should form a group of FAPS? (Frustrated Astro Photographers) 🤪



   
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(@steve1962)
White Dwarf
Joined: 7 years ago
Posts: 8
Topic starter  

Thanks Dave.

There’s a few of us under this perpetual cloud - maybe we should form a group of FAPS? (Frustrated Astro Photographers) 🤪



   
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(@jonesdee)
Red Giant
Joined: 9 years ago
Posts: 40
 

I'm tempted to open a pub called 'The Observatory' . . . 🙂



   
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