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INDI Library v2.0.6 is Released (02 Feb 2024)

Bi-monthly release with minor bug fixes and improvements

ZWO EAF

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Replied by Peter Sütterlin on topic ZWO EAF

I agree, that would be a great addition to the capabilities of EKOS. Even more if at the same time both values (temperature and focus) would be added to the FITS header, that would make it much easier to derive a temperature dependence for those that want to do this....
4 years 2 days ago #51140

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Replied by Wouter van Reeven on topic ZWO EAF

I was wondering if anyone knows what's that status of this? Will a "refocus if the temperature difference is more than X degrees" feature come to an Ekos near us soon?


Wouter
3 years 11 months ago #52474

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Replied by Raul on topic ZWO EAF

Hello all,
just seen this and there is an Autofocus if Delta Temp is bigger than a certain amount of degrees.

I have recently purchased a ZWO EAF and I have a Pegasus PPA (Pocket Powerbox Advance). I dont have a temperature sensor on the ZWO EAF but I do have on the PPA.
Which temperature is used for this condition?

The issue is that the ASI EAF has got a temperature channel which is clearly wrong (28C degrees at room temperature vs 20C read by PPA).
OS: Astroberry on Raspberry Pi 4 4GB
Mounts: EQ6R-Pro, StarAdventurer
Imaging: SW Evostar 80ED & SW 200PDS, ZWO ASI 1600MM-PRO
Guiding: SvBony 60mm, ZWO ASI 120MCS
Accesories: ZWO EFW, ZWO EAF, Pegasus PPBA
3 years 3 months ago #64797

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Replied by Jose Corazon on topic ZWO EAF

It shouldn't matter that much that the temperature reading of the ZWO EAF is off. You are only interested in delta temp, i.e. you want to refocus whenever the termperature drops by more than 1.5 or 2 degrees. Whether you start out at 28 degrees (the ZWO reading is probably thrown off by the heat the ZWO itself is generating) or at 20 degrees should be largely irrelevant.
Last edit: 3 years 3 months ago by Jose Corazon.
3 years 3 months ago #64802

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Replied by Raul on topic ZWO EAF

Thanks for the quick reply. I was thinking the same logic but the ZWO EAF temperature was constant all morning long so I thought it was a wrong reading. I
will check tonight again to see what value I get as my fridge isnt big enough :)
OS: Astroberry on Raspberry Pi 4 4GB
Mounts: EQ6R-Pro, StarAdventurer
Imaging: SW Evostar 80ED & SW 200PDS, ZWO ASI 1600MM-PRO
Guiding: SvBony 60mm, ZWO ASI 120MCS
Accesories: ZWO EFW, ZWO EAF, Pegasus PPBA
3 years 3 months ago #64803

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Replied by Jose Corazon on topic ZWO EAF

Considering that the temperature sensor for the ZWO EAF costs only $10, I would consider just buying one and be done with it.
optcorp.com/products/zwo-eaf-sensor-zwo-temperature-sensor
3 years 3 months ago #64804

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Replied by Raul on topic ZWO EAF

I would like to avoid having another thing hanging around the telescope. Its definitely not about the money after spending more than £3,000 on this hobby :)
I am very happy with the temperature sensor of the Pegasus PPA so why should I add redundancy?

If EKOS uses the temperature from the focuser, then I might have to as you suggest but otherwise I would rather not.
OS: Astroberry on Raspberry Pi 4 4GB
Mounts: EQ6R-Pro, StarAdventurer
Imaging: SW Evostar 80ED & SW 200PDS, ZWO ASI 1600MM-PRO
Guiding: SvBony 60mm, ZWO ASI 120MCS
Accesories: ZWO EFW, ZWO EAF, Pegasus PPBA
3 years 3 months ago #64806

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