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Temperature Compensation With Any Focuser!

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DESCRIPTION:
In this video, I talk about the latest version of my "Virtual Focuser ASCOM Driver", which now allows you to specify an alternate source to acquire temperature readings, which can be very beneficial if you want to experiment with the "Focus Temperature Compensation" technique.
LINKS MENTIONED IN THIS VIDEO:
* Dark Sky Geek Virtual Focuser ASCOM Driver: github.com/jle...
* Video tutorial about Focus Temperature Compensation: • Focuser Temperature Co...
* Dark Sky Geek Community Discord server: / discord
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Опубликовано:

24 авг 2024

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Комментарии : 40

@darkskygeek 4 месяца назад

CLICK ON THESE AFFILIATE LINKS TO SUPPORT THE CHANNEL: * Agena Astro: bit.ly/487tmnj * High Point Scientific: bit.ly/49z9qdv * Amazon: bit.ly/darkskygeek-amazon-affiliate-link

@aleixandrus 4 месяца назад

Oh! I had that 'issue' time ago, couldn't find a way to use my PegasusAstro Powerbox temperature probe to trigger the AF routine. The trick you implemented is very interesting. However, I currently trigger AF after NINA's HFR trend analysis and it worked fine to me... but I'll give a try. Thanks for releasing such amazing content and DIY projects, it is a flow of fresh air for the astrophotography community!

@AstroCloudGenerator 4 месяца назад

Awesome. I had spoken with Pegasus about this very thing. What you have done adds a ton of flexibility when using NINA. Thanks

@kgbenware 4 месяца назад

Great timing. I just got my Dark Sky Geek OAG focuser which I'll be using with a SW Evoguide 50. Thanks JC!

@zara8289 4 месяца назад

Amazing projects as always! Love the OAG focuser too; just waiting on my PCBs! Planning on using one for my guide scope on my HyperStar setup.

@GrouchoDuke 4 месяца назад

This is awesome - thanks! This should let me use my mount's ASCOM weather station (BME280 via OnStep) for temp compensation.

@davidswinnard7565 4 месяца назад

Just thinking out loud here (so to speak). I don't have a commercial power distribution box nor a temperature probe for my ZWO EAF, but I do have some temp. and temp/humidity probes from previous (non-astro) related projects. Perhaps a probe with an Arduino could be made to serve as the "other device" that reports to the Virtual Focuser ASCOM driver... Hmm... (still working on the OAG focuser adapted to my guide scope as well.)

@darkskygeek 4 месяца назад

Yes, that would work! You would need to write an ASCOM driver for your device that implements the IObservingConditions interface, but yeah, it would be 👌🏻

@SCAmateurAstro 4 месяца назад

Great stuff. Will really give this a test out over my next few imaging sessions using APT & maybe post a full report on my channel. Cheers.

@tostativerdk 4 месяца назад

Awesome project! Thanks for creating useful open source code for the astrocommunity:)

@anandarochisha 4 месяца назад

Good job..Thank You..

@Masoch1st 3 месяца назад

you're a legend for this

@TyroTim2000 4 месяца назад

Well done!

@georgalbrecht8029 4 месяца назад

Great addition. One more wire gone...

@Arcteek 4 месяца назад

Fier que les deux YTeurs qui sortent un peu des classiques et brillent en termes de vulgarisation soient français ! Mais l'astronomie reste universelle ;-)

@bodi6929 4 месяца назад

What are you using to remotely connect to your dew heater or powerbox? I have a Pegasus dew heater but it does not have wireless capabilities that I am aware of.

@darkskygeek 4 месяца назад

I’m not sure I understand. Between my Pegasus Astro Pocket Powerbox Advance and my dew heater band, there is an electrical wire. Then, between my Pegasus Astro Pocket Powerbox Advance and my mini computer, there are 2 wires (an electrical wire to power the mini PC via 12V DC, and a USB 3 cable). However, I remotely connect to the mini PC from my iMac (located in my office, inside my house) using Microsoft Remote Desktop. Does this answer your question?

@whatmattersmost6725 4 месяца назад

Thank You for your Channel and hard work! Being Ascom compatible should work with other Astro imaging programs?

@darkskygeek 4 месяца назад

Absolutely!

@Cartol310 4 месяца назад

5:38 I also use the same PPA. May I know where to buy the dovetail holder with the PPA in video?

@darkskygeek 4 месяца назад

You must be a fairly new subscriber to my channel 😁 The answer is in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sFOrMUbYT4w.html. Clear skies!

@Cartol310 4 месяца назад

@@darkskygeek Oh~~!! Thanks.

@Astro_Shed 4 месяца назад

Great video, but I am a little confused, i use an older Pegasus focus motor, not the focus cube, just the motor with the controller built into my Pegasus UPB, and the motor has no temp probe, BUT I have the option of focus temp compensation without the use of your driver and with no temp prove, as it automatically uses the temp probe on the Pegasus hub for this, all in NINA, so I don’t see any benefit of you driver in this case…or am I missing something….🤔🤔

@darkskygeek 4 месяца назад

I don’t know anything about the temperature compensation built in to some focusers. But I would venture a guess that it is akin to guiding with the ST4 port, i.e. too limiting, and having software control the hardware with advanced algorithms provides more flexibility and is more future proof. CS!

@Astro_Shed 4 месяца назад

@@darkskygeek well there is none built into this focuser that was my point, it just uses the temp probe that is connected to the Pegasus UPB Hence why asking if that is not just the same as using your driver I am confused

@darkskygeek 4 месяца назад

Ah, got it. Well, if Pegasus did that kind of custom integration, then yeah, that specific part of my driver is not strictly necessary. That being said, the averaging of temperature values over a 2-minute rolling window is absolutely critical, regardless of which temp sensor you are using. It really increases the accuracy! HTH

@Megavoltamper 3 месяца назад

I have a wifi connected focuser, which sometimes disconnects randomly and it's disconnected until I click on "connect focuser" manually. This can be very annoying when it happens when I am not around. Can the virtual focuser supervise or maintain the connection to a such focuser by reconnecting automatically ?

@darkskygeek 3 месяца назад

Ah, yes, that could be another use case for it. However, without that equipment, it would be impossible for me to implement that functionality.

@Dustinspace217 Месяц назад

In the case of a Q-Focuser that has an included temperature sensor that constantly shows -100C plus or minus 15C, is your recommendation just to use a different device to use focus temp compensation? No way to fix, just buy more gear?

@darkskygeek Месяц назад

If your focuser temp probe is that far off, return it (if it is still under warranty) and have them fix it or send you a new one.

@bobbryant4410 3 месяца назад

I 'have a ZWO EAF and have been using NINA for temperature focus compensation since you introduced your virtual driver. I installed the new driver, and it worked as before when using the ZWO temperature sensor. But when I select the Pegasus Astro PPBAdvance and click the power icon I get "ASCOM Driver Error Unable to connect to DarkSkyGreek's Virtual Focuser Ascom Driver. Reason: Cannot connect to ASCOM.EAF.focurser". Switching back to the ZWO Focuser (1) as the source for temperature and focuser connects.

@darkskygeek 3 месяца назад

Yup, I know about that, and there is a workaround. I will try and document it in the repo. This has to do with Pegasus Astro Unity platform, which seems to be finicky…

@bobbryant4410 3 месяца назад

@@darkskygeek Your work around in the repository fixed the problem.

@bobbryant4410 3 месяца назад

This seems to be a one time hack. After I did the work around I can power cycle and reboot the pc and NINA will uses your driver driver for the focuser and read the temperature from the Pegasus Astro.

@simonwatts524 4 месяца назад

Hello, I've just downloaded the virtual Focuser ASCOM driver to use with my ZWO EAF and PPBAdvance for temperature readings. When setting this up in NINA, I see the description correctly, but the temperature reading of the focuser does not match the temperature from the PPBAdvance and still seems to be pulling from the EAF. Am I missing something? Thanks

@darkskygeek 4 месяца назад

You are not missing anything. I have seen this once, and so I think there is a subtle bug in my driver which is exacerbated by the Pegasus Astro Unity platform (which has caused me a lot of issues, compared to their older ASCOM drivers). Thank you for filing an issue, I will take a look. Thanks!

@simonwatts524 4 месяца назад

@@darkskygeek great, thank you!

@darkskygeek 4 месяца назад

See my comment in the issue you filed. It should be fixed now. Thanks!

@simonwatts524 4 месяца назад

@@darkskygeek Tested and confirmed its working now. Thanks for the quick fix.

@darkskygeek 4 месяца назад

Sweet! And thank you so much for your donation! 🙏🏻