nMAC replied to the topic 'stupid question on DC focuser / stepper and autofocus' in the forum. 1 month ago

Hi,

well in my case I used 100ms to emulate a step. But this depends on the motor/shield configurations.
Try with 50/100ms (miliseconds) ou less and keep increasing until you find a reasonable value.
Focus a bright star a try to find a step value that really changes the focus. If the value is too small you won't see a difference at all.

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nMAC thanked Jasem Mutlaq in topic KStars 2.7.9 is released! 2 months ago
nMAC replied to the topic 'stupid question on DC focuser / stepper and autofocus' in the forum. 2 months ago

Yes it does make sense, thats exactly how I do it and it works very well.

You aldo can choose various focus algorithms in the autofocus windows, it's a matter of trying them and see wich suits best.

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nMAC replied to the topic 'stupid question on DC focuser / stepper and autofocus' in the forum. 2 months ago

Hi!
First you don't need a stepper to focus. I own two setups using Orion Accufocus and being driven by Arduino + Moonlite Driver by emulation.
Basically the firmware they have emulate steps just like a stepper.

The use of steppers is common because generally they are more precise and repeateable (you can repeat the same position every time).
My focusers are relative too. They always start at the same position (5000), they don't even save the last position. They focus at current position without nay problems.

I use autofocus with my Atik 420 and Canon 550D with a high degree of confidence. Sure, steppers would give more accuracy but in my
experience you can get away fairly easy with DC motors. All in all you just have to find out the best settings for you focuser/motor.

As said, that's my experience. Other may have different opinions/experiences.

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nMAC replied to the topic 'lx200ap possibly detecting wrong LX200_FORMAT on GTOCP4 box?' in the forum. 2 months ago

I think that is one of the issues that it is affecting the lx200 driver running on my HEQ5 MCU Box !
Thanks, I will try the code too.

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nMAC replied to the topic 'EQMod parking in non-standard position' in the forum. 2 months ago

Nope. Already tested, you only have Park options implemented in the driver.
Maybe implementing similiar Unpark options would resolve that issue.

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nMAC replied to the topic 'EQMod parking in non-standard position' in the forum. 2 months ago

Well maybe it's possible, never tried, Maybe I am wrong but I have a slight memory that once, I did that by mistake but for now it's just park and unpark at the same position.

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nMAC replied to the topic 'EQMod parking in non-standard position' in the forum. 2 months ago

Hi Kaczorek!

First I put the mount by hand (unclutching) at the Pole, sync it, then I slew it to the position I want it parked and then I use the Site Management/Current and Site Management/Write Data option like you said. You just have to redo all this steps if for any instance there is a power down before the park.
I also have transferred the xml config files between setups to maintain the park position and it works great.

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nMAC replied to the topic 'EQMod parking in non-standard position' in the forum. 2 months ago

Well I also have that problem with my observatory and I have been parking mine horizontally for about 2 years using a user defined park position.
and it works very well.

The first thing I did was a Sync pointed to north position (home) and then I manually moved the mount to my custom park position and finally told
eqmod to park to current position. Whenever I power the mount it knows where it's parked and where it's pointing, it's stored in the config file.

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nMAC replied to the topic 'EQ6 with MCU-Upgrade problems with Indi_lx200basic driver' in the forum. 2 months ago

Hi! Yes I am still trying :-D It's kind of a personal thing. If I can manage to do it, I will post it.

@Knro, I have the original author documentation (pdf) containing the command set but I don't know if I can publish because project had some conflicts and
was shutdown. I can send it to you if it helps.

Regards

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nMAC replied to the topic 'EQ6 with MCU-Upgrade problems with Indi_lx200basic driver' in the forum. 3 months ago

I have a Skyview Pro with the an MCU Mod and had the same problem.
You can see my post here : indilib.org/forum/mounts/2148-rajiva-mcu-update.html

The best driver is the OnStep, but neither one works correctly. It should. But it does not.
In the meantime I am trying to make a custom driver to the MCU using the correct lx200 commands.
I had some progress but it's not ready yet.

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nMAC replied to the topic 'APN image green' in the forum. 3 months ago

Are you using a CLS filter with your DSLR? If so images debayered to RGGB and seen with Fits Viewer have a strong green cast. It's normal.
There's no white balance applied to the image so you have to color correct it in processing.

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nMAC replied to the topic 'FTDI chipset, mount disconnects' in the forum. 3 months ago

Well, that's great it's working!
I was thinking the same, the fact you changed the port may also triggered some change on the chip RTS Line and solved it.

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nMAC replied to the topic 'FTDI chipset, mount disconnects' in the forum. 3 months ago

I think that's an old problem, I had it too and it drived me nuts :blink trying to get my HEQ5 to work.
Made some extensive research and I had to find another solution has there are some linux kernels that do not get along very well with some FTDI chipsets.
Later I found they have specific linux drivers for their hardware but never tried them because in the meantime I changed to bluetooth.
Maybe you can try them for a sanity check! I remember a lot of complaints at the time because of some chipsets. Wich one is yours?

The is also a know issue with the RTS line of FTDI chipstets that also affects shooting:

indilib.org/forum/ccds-dslrs/2129-solved...b-control.html#16014

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nMAC replied to the topic 'ASI 120mc messed up frames' in the forum. 3 months ago

Mine is Mono (ASI120MM) and always at 8bit.
But I see you are using 8Bit (ZWO CCD ASI120MC.CCD_INFO.CCD_BITSPERPIXEL=8).
So here should be no problems.
My results are only using monochrome. I don't know it color models have those problems at 16bit, maybe other members can comment on their results.

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