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INDI Library v1.9.7 Released (29 Jul 2022)

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

New Bahtinov Mask Assistant Tool

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How feasible is it to integrate with the liveview/video stream? That would be ideal.
INDI/KStars on Raspberry Pi 4, 4gb
Raspbian Buster with AstroPi3 script configuration
Skywatcher HEQ5 Pro Mount
Canon 600D Camera
Orion SSAG/ASI120mm @280mm Guide Scope
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Waveshare Stepper Motor Board - DIY Focuser
Adafruit GPS Module
Generic Bluetooth Joystick.
Startech 7 port powered USB Hub.
3 years 7 months ago #34736

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Please don't give up on the autofocuser. That works fantastically and is indispensable when running an automated image acquisition sequence.

Both have their place, but I don't see how a Bahtinov mask focusing mode could be integrated into the scheduler.
Atlas Pro AZ-EQ, ASI1600MM-Pro, ASI120MM-S, ES102ED, WO-Z61, Nikon D3300, ASI-EFW, ZWO LRGB,Ha,O3,S2 filter set
3 years 7 months ago #34772

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Autofocus is great, but not everybody is setup with a motorized focuser. A bahtinov mask is a quick and reliable manual method. It works well by eye, and better with computer guidance.
INDI/KStars on Raspberry Pi 4, 4gb
Raspbian Buster with AstroPi3 script configuration
Skywatcher HEQ5 Pro Mount
Canon 600D Camera
Orion SSAG/ASI120mm @280mm Guide Scope
PHD2
Waveshare Stepper Motor Board - DIY Focuser
Adafruit GPS Module
Generic Bluetooth Joystick.
Startech 7 port powered USB Hub.
3 years 7 months ago #34773

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Hey,

the autofocuser based on HFR will not be affected by this and stay the default option.
In fact it would be possible to use the offset calculated by the Bahtinov fitter to drive the autofocuser.
In a fully automatic setup this could be combined with a mechanics that places the mask onto the scope (similar to what some people have for flatfield caps). But we are digressing.

For the streaming mode we have to see. The fitter works on the image frames, so in principle it can be done. The question is performance, i.e. at which framerate can we produce the solutions. It definitely will work in a frameing mode.

Short status report: the algorithm that extracts the diffraction pattern and fits the Bahtinov lines to it, thereby measuring the offset of the center line is implemented in my local copy of EKOS.
Since I had to switch to GSL for the numerical libraries, I am working some convergence issues. Next will be work on the graphics (plotting the lines corresponding to the found solution).

I'll post pictures as soon as I have something presentable.

Cheers, Sebastian
The following user(s) said Thank You: Jasem Mutlaq, Alfred
3 years 7 months ago #34783

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Just a thought; as an interim feature, could it be possible to select an overlay (akin to cross hairs and guidelines) and centre a Bahtinov mask directly on the selected star in the acquisition images. The selected star will still be auto focused as usual but the viewer will see the Bahtinov mask pattern results as the focus becomes more accurate. We are talking about a pretty bright star for Bahtinov therefore the pattern can be proportionate to the corresponding HFR .

Note: should this be an existing feature on other applications I was truly not aware. I only use Ekos.
Skywatcher 190MN - EQ6 Pro (with Belt Mod) - ASI1600MM-Cooled - ASI EFW7 - ASI120MM - WO f4 Guide Scope - Rigel nStep - KStars/Ekos - KDE - PixInsight
3 years 7 months ago #34874

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Hi.
It would be totally awesome if you could give us the real time streaming view at 5x and 10x, as in APT.
Cheers
kubuntu 22.04
700d, eq6, 120mm. Yes, the old one.
3 years 7 months ago #34894

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Just thought I share my experience with Jasem's autofocus tool, using a very simple home-built autofocuser with a timed motor (not a stepper motor) and Shoestring Astronomy FCUSB as the driver. I focused using Jasem's tool and then checked using a Bahtinov mask. Here is the result:



Couldn't me more perfect, I would say.

PLEASE, Jasem, do NOT give up on the autofocuser. It is (almost) PERFECT as is!
Atlas Pro AZ-EQ, ASI1600MM-Pro, ASI120MM-S, ES102ED, WO-Z61, Nikon D3300, ASI-EFW, ZWO LRGB,Ha,O3,S2 filter set
3 years 7 months ago #34955
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Any update on the tool?
Jasem Mutlaq
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3 years 6 months ago #36229

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I am very interested in this feature. Is there any news from this project ?
3 years 5 months ago #38349

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Is there any news from this project ?
Adam4adam TutuApp AppValley
Last edit: 3 years 4 months ago by banadd.
3 years 4 months ago #38755

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Is there any update about this feature? Automatic focusing is not working flawlessly for me, so such bahtinov mask grabber could help me a lot
3 years 3 months ago #39497

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I see there is no update on this feature for a while. Does someone know if the repository where sneubert was working on is available in Github? As sneubert is apparently not able to work on it the last months, maybe someone else (I volunteer for this) can pick up where he left and continue working on this feature. It would be great to have this in Ekos too. I hope the repo is available, there is some really good effort done for this and it would be sad to not have this in Ekos.
The following user(s) said Thank You: Jasem Mutlaq, AstroNerd
2 years 9 months ago #46780

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