soft binning and oversampling

[Peter Santangeli]

I'm currently using a ZWO290 mini to guide my C11 running at F6.5. 

Unfortunately, even when binned 2x2, I'm dramatically oversampling what I really need to guide, which seems to give PHD some issues. This is particularly noticeable on evenings of bad seeing of course.

I would love the ability to soft-bin on top of whatever a driver provides. Not for increasing signal but just to reduce the sampling.

Has this ever been given any thought? Would seem to be a fairly straightforward thing to implement.

[Bruce Waddington]

Sure, it’s on the request list, but any expected benefits have more to do with smaller file sizes and less USB traffic.  If you think the feature would be quick and easy to implement, we’ll be glad to look at a pull request.

 

I suspect your problem lies elsewhere in any case.  It would probably be better to submit log files that document your problem, describe what your problem is, and provide a little more context for your setup.  Assuming the native focal length of your scope is 2800mm, aren’t you guiding at 1820mm focal length?  With 2x2 binning, that would give you a guider image scale of 0.66 arc-sec/px which is a very common setup for PHD2 and generally works fine.

 

https://openphdguiding.org/getting-help/

 

Bruce

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