Using Voyager with ONAG and FocusLock

Hi, I’ve just recently come across the Voyager software and have been reading as much as I can about its capabilities – it seems very impressive.

I currently use TSX for mount, dome and camera control, CCDAP for targeting and scheduling and FocusMax for initial focus. I have a few issues with CCDAP and am also attracted by the Web Dashboard and DragScript features of Voyager. I will be downloading a copy over the next few days for evaluation.

My question concerns the fact that in my current setup I use an ONAG from Innovations Foresight as this enables me to guide on the imaging field of view and also use Optecs FocusLock software for real time focusing during exposures using the autoguiding image.

Does anyone have any experience of Voyager with ONAG and FocusLock?

I think the guiding through the ONAG should be fine as this will still be accomplished in TSX.

With FocusLock I find I sometimes get an image disturbance when it focuses during the exposure, so I tend to only let it adjust focus between exposures during which time I also dither. SO, after the dither when the guider has re-acquired the guide star I need another six or so autoguider exposures to allow for any focus adjustment due to filter change or drift before starting the next target image.

I suspect this should be covered but using either the “Minimum Settle Time” in the Guiding Settings or Dither settings box. Two questions, what is the difference between these two settings? and as FocusLock also needs to be connected to both cameras in TSX camera control would this cause any issues?

Many thanks

Allan

Welcome,

we dont support ONAG and FocusLock, if you are able to let working it out of Voyager (with TSX) you can use the wait between shot parametr in sequence configuration to wait the time you need.

The two parameters you mention work one for guide and one for dithering and is the minimum time interval needed for voyager with the error value under what choosed to allow continue with operations, this declaring guide stable or dithering finished.

All the best
LO

Thanks for the response.
I’ve downloaded a trail of Voyager anyway. I will see how it behaves with FocusLock when I get a clear night…
If I have any success I will report back.
Regards
Allan.

Thanks Allan,

All the best
LO

Had a few hours to have a look into this last night.

Quite good news – TSX, Voyager, FocusMax and FocusLock all connect to mount, cameras, filter wheel and focuser together and seem to work as expected without interfering with each other.

I only tried a short sequence of nine images but FocusLock seems to take its lead from TSX and still only operates between exposures and with an autoguiding stabilising delay of 15 seconds set in Voyager this seems to be enough for FocusLock to go through any focus adjustments before the next exposure. The only slight downside was that when changing filters, the FocusLock adjustments are only carried out after the first exposure but this could be mitigated by using a very short initial exposure for the first image after filter change.

So far so good - will now try and set up a full automation run (need to read a lot about dragscript first!) and see how we go.

Regards

Allan.

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Just an info, Voyager have inside an internal system for focus , FocusMax isn’t needed.

All the best
LO