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INDI Library v1.9.6 Released (21 May 2022)

Bi-monthly INDI Library released with new drivers and bug fixes.

Watney astrometry

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Watney astrometry was created by MORELLI

Hi,

I try to use this new method with v3.5.8 but it fails. The others methods run well. Is there something to add in order to run well ?

2022-03-30T11:07:53 Solver fails
2022-03-30T11:07:53 Command: /usr/opt/watney/watney-solve nearby -r 10.9775 -d 41.3879 -s 15 -m --field-radius 0.792027 -i /tmp/externalExtractorSolver_11.fits --max-stars 300 --use-parallelism false -o /tmp/externalExtractorSolver_11.ini -w /tmp/externalExtractorSolver_11.wcs
2022-03-30T11:07:53 Starting external Watney Solver with the 4-SmallScaleSolving profile...
2022-03-30T11:07:53 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2022-03-30T11:07:53 Configuring external Watney Astrometry solver
2022-03-30T11:07:53 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2022-03-30T11:07:53 Disabling the inParallel option.
2022-03-30T11:07:53 Not enough RAM is available on this system for loading the index files you have in parallel
2022-03-30T11:07:53 Evaluating Installed RAM for inParallel Option. Total Size of Index files: 31.7906 GB, Installed RAM: 15.5693 GB, Free RAM: 9.22539 GB
2022-03-30T11:07:53 The Watney Solver needs at least 300 stars. Adjusting keepNum to 300
2022-03-30T11:07:53 Automatically downsampling the image by 2
2022-03-30T11:07:53 Image reçue.
2022-03-30T11:07:52 Capture d'une image...
iOptron GM28 - ED80 SW - MAK180 SW - ASI183MM PRO -QHY224C - RPI4 4Go + Stellarmate/Nafabox/Astroberry - Focus motor DIY
3 months 4 days ago #81846

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Replied by Rob Lancaster on topic Watney astrometry

So to use the Watney solver, you would need to make sure to download and install the program and to install the star database files. There is also a config file where you must tell it how to find the star database files. Instructions are on the GitHub page for it. It works very similarly to astap
3 months 4 days ago #81849

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Replied by MORELLI on topic Watney astrometry

Hello,

I install the watney API and the star database into /opt/watney-api/. I setup the path in options Alignment Ekos: /opt/watney-api/watney-api. No success !
So I install tle watney-cli with the command watney-solve. Fails !
iOptron GM28 - ED80 SW - MAK180 SW - ASI183MM PRO -QHY224C - RPI4 4Go + Stellarmate/Nafabox/Astroberry - Focus motor DIY
Last edit: 3 months 4 days ago by MORELLI.
3 months 4 days ago #81853

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Replied by Rob Lancaster on topic Watney astrometry

Watney is very much a new platform which is currently under development by the author, that being said, when I added support for it, I did test it pretty thoroughly. It would be the cli solver that you need, not the api solver. Make sure that is downloaded and installed in the right folder on your computer. Then make sure whatever path you put the solver at is what you put into the StellarSolver options for the path to Watney Solver. Then you also have to make sure you download all the quad files that you need and put them in a folder that you specify in the configuration file, which is in the same folder as the cli solver.

github.com/Jusas/WatneyAstrometry/wiki/Quickstart-Guide
3 months 4 days ago #81862

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Replied by MORELLI on topic Watney astrometry

Hi Rob,

It is just I do. Unzip the file (CLI) into /opt/watney/ with a quad file (0.6-0.7).
and setup the path option, plus watney-solve.
I'll have a look this evening.
iOptron GM28 - ED80 SW - MAK180 SW - ASI183MM PRO -QHY224C - RPI4 4Go + Stellarmate/Nafabox/Astroberry - Focus motor DIY
3 months 3 days ago #81889

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Replied by MORELLI on topic Watney astrometry

It's OK. I omitted to modify the path to the database into the quad file. Thanks.
iOptron GM28 - ED80 SW - MAK180 SW - ASI183MM PRO -QHY224C - RPI4 4Go + Stellarmate/Nafabox/Astroberry - Focus motor DIY
3 months 3 days ago #81893

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Replied by Rob Lancaster on topic Watney astrometry

No problem. We should provide some instructions somewhere on either how to set it up or a link to the page explaining it.
3 months 3 days ago #81895

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Replied by Maria Fry on topic Watney astrometry

Thanks for sharing such a helpful instruction, really appreciate for your article.

MyBalanceNow
3 months 3 days ago #81900

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Replied by MORELLI on topic Watney astrometry

I do it on french Webastro.net.
iOptron GM28 - ED80 SW - MAK180 SW - ASI183MM PRO -QHY224C - RPI4 4Go + Stellarmate/Nafabox/Astroberry - Focus motor DIY
3 months 3 days ago #81904

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Replied by Nigel Dunmore on topic Watney astrometry

Hi

I believe I’ve set this up correctly but have yet to get it to solve anything. It says it needs at least 300 stars which seems rather high (at least to me a complete beginner) when only taking a images of a few seconds for polar align or slewing to a target. The other solvers seem to work quite happily with astap returning in less than 2 secs on a raspberry pi 4.
Is the Watney solver meant for something more specific than the quick images I’m using it on?

Regards

Nigel
3 months 10 hours ago #82012

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Replied by Rob Lancaster on topic Watney astrometry

The watney solver is very much new and still under development. I added the initial support for it and it will get better with time I think.

The message about 300 stars is from StellarSolver. I am just saying that I changed a setting from your profile. All the other solvers work better when limited to about 50 stars or less. That isn’t true for watney, we found it worked better with like 300. That doesn’t mean it won’t work with less than 300 stars, just that I increased the setting that limited it to 50 stars to limit it to 300 or less instead.
2 months 4 weeks ago #82050

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Replied by Nigel Dunmore on topic Watney astrometry

While that makes sense I could swear that the message output said it needed 300 stars rather than it would use up to 300. Looking at the github for the solver it does say that the number passed is the maximum it will use rather than a minimum it needs.

Will have to check next time.

Does leave the question as to why it didn’t solve, will have to poke around more.
2 months 4 weeks ago #82073

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