Combining Subs from...
 
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2023-03-15: APP 2.0.0-beta14 has been released !

IMPROVED FRAME LIST, sorting on column header click and you can move the columns now which will be preserved between restarts.

 

We are very close now to  releasing APP 2.0.0 stable with a complete printable manual...

 

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Combining Subs from differrent cameras/different times

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(@whixson)
Black Hole
Joined: 4 years ago
Posts: 162
Topic starter  

I remembered I have images of the Crescent nebula I took at two different times with my ASI1600 and another time with my QSI 690. Different scales and with the nebula in a different spot in the frames. Just for fun I was going to try to combine them as Mabula did with the Rosette HA. I was confused about registration - would this be a mosaic or normal?

Wayne


   
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(@vincent-mod)
Universe Admin
Joined: 6 years ago
Posts: 5384
 

Normal I think, but if the object is really in an entire different location, it might get a bit problematic in the sense you would have to crop a big part of it in the end. I never tried this specific case to see if a mosaic would be possible, but I think there shouldn't be a big problem with it. Something to test! 🙂


   
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(@whixson)
Black Hole
Joined: 4 years ago
Posts: 162
Topic starter  

I'm now running it in Normal mode full. For kind of a stress test I'm using all individual files, no masters. 406 Lights (!) and 166 biases and darks. Started an hour and 20 minutes ago, 40% of the way through Integration!! All frames were registered within 0.2 pixels. I got one bias and light from a camera that I didn't think I'd used! 

I'm really not expecting much in the way of a quality image, my shots weren't that great and I wasn't sure of some of the settings,  but if I get a reasonable image I'll be happy. If so I may restart it in mosaic mode. I'm assuming I can start with Registration and I don't have to do analysis again? 

PS one issue w- I get numerous messages that say can't register darks and biases. Is that expected behavior?

Thanks again, Wayne Hixson 


   
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(@vincent-mod)
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Joined: 6 years ago
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If it can't register those frames, something must be wrong with them to be used as calibration frames. The error usually points to what the problem might be I think.

Yes, indeed, just try various things if it doesn't break the computer I always do that and I find it a good way to get to learn various settings.


   
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(@whixson)
Black Hole
Joined: 4 years ago
Posts: 162
Topic starter  

I've never registered calibration frames before, just integrated them - should they need registration?


   
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(@vincent-mod)
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No, there is nothing to register them on (no stars). But it could be that they have the wrong dimension or something like that for certain data.


   
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(@whixson)
Black Hole
Joined: 4 years ago
Posts: 162
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I think it's OK. They do create masters which are assigned to the lights. Seems to be working.

Approaching 2 hours computer time and 75% of the way through Integration of the 406 frames... I thought it might run all night!


   
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(@mabula-admin)
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Joined: 6 years ago
Posts: 3453
 

Hi @whixson and @vincent-mod,

I get numerous messages that say can't register darks and biases. Is that expected behavior?

Regarding the calibration frames and the message in the console that these can't be registered:

To be clear 😉 : this is just a very lame console message, it doesn't and shouldn't  point to any problem 😉 since calibration frames are applied to light frames only. They are not used in any sense for registration.

So you can safely disregard that message in the console any time. I will make a note to remove the message from the console, since it doesn't provide any meaningfull information...

Mabula


   
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(@mabula-admin)
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Joined: 6 years ago
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Hi @whixson & @vincent-mod,

I have adjusted the following for APP 1.069 😉

https://www.astropixelprocessor.com/community/release-information/astro-pixel-processor-1-069-preparing-next-release/

Kind regards,

Mabula


   
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