D for darks not sho...
 
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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.

 

D for darks not showing up in the list

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(@gregwrca)
Black Hole
Joined: 9 years ago
Posts: 228
Topic starter  

Following your workflow for DSLR, I cannot for the life of me get D for darks to show up after my lights in the list. Just F for Flats and BPM, I have recreated my darks 3 times according to the video without loading the BPM,  Just Darks by themselves. Then when I load everything up according to Hoyle the darks d do not show up as available after my lights. Am I missing something?



   
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(@gregwrca)
Black Hole
Joined: 9 years ago
Posts: 228
Topic starter  

Also, if one loads up the entire data set from the start, will the APP not perform the correct procedures in the correct order on it's own going through steps 1-6?



   
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(@gregwrca)
Black Hole
Joined: 9 years ago
Posts: 228
Topic starter  

Cant edit my post, so here is a SS:

NoD

 

And do you think you could ease up a bit on the capcha login iterations?



   
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(@gregwrca)
Black Hole
Joined: 9 years ago
Posts: 228
Topic starter  

I think I found the issue...on me. Some of the lights had different exposure times than the dark set which made them unavailable. I often mix sub times. can I create multiple master darks for this?

 

NoD2


   
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(@gregwrca)
Black Hole
Joined: 9 years ago
Posts: 228
Topic starter  

PS. I am liking 1.056. Your APP is outstanding, and I do appreciate your hard, very skilled work. Sorry if I sounded testy, just one of those days. I'll try a set with all same exp and see. M27 from Summer 2016 will post when done.



   
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(@gregwrca)
Black Hole
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Here is the first run. Seem to have lost star color when i calibrated star color, so am posting no SCC, and PS for gradient removal:

M27 HAD bad gradient St avg 1500.0s NR x 1.0 LZ3 NS full StSh add sc BWMV nor AA RL MBB5 cbg St

Will try again. I do like how I don't need to post stretch much, and the star color inside the neb stays true.



   
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(@mabula-admin)
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Posted by: Greg

Cant edit my post, so here is a SS:

NoD

Hi Greg,

If the D doesn't show then the masterdark created from your darks most likely doesn't matcht the light frames for both exposure and iso/gain. Currently this is required in APP.

I am working on an upgraded calibration engine, which will include dark scaling and a much more automatic workflow.

The rules to follow currently are:

https://www.astropixelprocessor.com/community/tutorials-workflows/astronomical-data-calibration-priciples-must-read/

And do you think you could ease up a bit on the capcha login iterations?

No, it's google technology, google determines whether you need to confirm if you are not a robot logging in. If you make mistakes with logging in like entering a wrong login or password then the google recaptcha will react on that. I use a local password manager which is highly recommended (Keepass, deliberately not in the cloud) to store all of my logins. That can automatically login for you and I rarely have to confirm that I am not a robot, because of this.

Mabula

 

 



   
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(@mabula-admin)
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Posted by: Greg

I think I found the issue...on me. Some of the lights had different exposure times than the dark set which made them unavailable. I often mix sub times. can I create multiple master darks for this?

 

NoD2

Yes, indeed, that's the reason, if you make separate masterdarks with different exposures it will work 😉

Like indicated in my previous post, I am working on an improved calibration engine with dark frame scaling, so this won't be needed in the future.

Kind regards,

Mabula



   
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(@mabula-admin)
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Posted by: Greg

Here is the first run. Seem to have lost star color when i calibrated star color, so am posting no SCC, and PS for gradient removal:

M27 HAD bad gradient St avg 1500.0s NR x 1.0 LZ3 NS full StSh add sc BWMV nor AA RL MBB5 cbg St

Will try again. I do like how I don't need to post stretch much, and the star color inside the neb stays true.

Hi  Greg,

I will make a video tutorial and workflow topic on the forum for the star color calibration tool this week... Just didn't have time yet, but will come.

The image looks good 😉

Did you try to enable and increase saturation while looking at the results from star color calibration ?

Mabula



   
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(@gregwrca)
Black Hole
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Topic starter  

I had saturation enabled, but did not play with the settings. I didn't have this issue in 1.055 I don't think. Until I watched your DSLR workflow video, in 1.055 I used to just load up everything and run it and it turned out fine. I never went through the individual steps, when I did my results seemed worse? I know you have to answer a lot of emails so but this one on the back burner, since you did say you were going to create the macro workflow in a new Edition. Meanwhile, I'll watch more videos. Thank you for your efforts.



   
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(@betelgeuze)
Main Sequence Star
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Posts: 22
 

Hi Greg, just a question...

Did you try in the SCC module the calibration mode "Balance RGB (3 parameters)" for your image ?

I'm getting much better star color in that mode, than the other 2 Blackbody modes myself, (which almost end up black & white.. )

Easy to check loading your Background calibrated image in SCC, and test all of the 3 SCC calibration modes.

 



   
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(@gregwrca)
Black Hole
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Topic starter  
  • I have not tried that and I'm not familiar with it but I will look into that. Thanks beetle


   
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(@mabula-admin)
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Hi Betelgeuze and Greg,

The blackbody modes are much better than the Balance RGB mode, it's not unusual for an image to appear black/white at first if you use the Black Body mode. Just increase the saturation and you'll see 😉 A video tutorial will come showing it will come.. 😉 I promise !

A pointer, in any tool, like "remove light pollution" or "calibrate background" or "calibrate star colors", over-increase the saturation (25-35) and lower the sat threshold to only 0,05-0,10. Then you will have a far better grip on the tools and their end results. For the final stretch of your data, simply lower the saturation and increase the saturation threshold value to 0,20 at least to protect your sky background from injecting unwanted chromatic noise.

Mabula



   
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(@betelgeuze)
Main Sequence Star
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Can' t wait to see the video. 🙂

A in-depth explanation about all the sliders in the SCC would be very welcome !

(especially the constant and slope sliders function)

Merry Xmas !



   
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(@mabula-admin)
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Posted by: Betelgeuze

Can' t wait to see the video. 🙂

A in-depth explanation about all the sliders in the SCC would be very welcome !

(especially the constant and slope sliders function)

Merry Xmas !

Thanks Betelgeuze,

Hop you had a very Merry Christmas as well 😉 !

Will do 😉

Mabula



   
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