Hi Richard,

Sorry for the delay, I had a family matter that required my attention and took me on a long trip over the past week. I had also had some enhancements to implement in my tool, and found a defect in my calculations to resolve, (it turned out to have a negligible effect on the result). The attached pdf shows a re-run of your data.

I've created exposure calculator files for your cameras and copied them to your folder on the Google drive. So you should be able to copy these to a KStars cameradata folder.

But for the Moravian C5A I've created two versions. Let me explain; the camera data files support 3 "modes" for sensors:


"FIXED" handles true CCD cameras, so there is essentially only one read-noise value in the file.

"ISO_DISCRETE" was intended to handle DSLR cameras where the selection of gain/iso is from a list of discreet values.

"NORMAL" handles cameras that have gain values that variable over a broad range: the camera data files include a table of values, but the exposure calculator will interpolate between these gain values to produce a read-noise value.

When I first built the calculator, I had created a file for a Moravian C3 in a "Normal" mode. But from what you have described in a prior communication, I now suspect that was not correct. From what you described, its seems that that the Moravian cameras are more like DSLRs in that they only allow a discrete value for gain selection.

So for your Moravian C5A, you will find a version with a file name that ends in "-D" (for discrete e.i. "DSLR" mode), and version that ends in "I" (for interpolated e.i. "Normal" mode). When running the calculator with the "-D" camera data you will find a dropdown that lists just the 0, and 2750 gain values, (But the label on the calculator will show "ISO"). when running the "-I" file the calculator will allow you to select values within that range of 0 to 2750, (but I as I said I think this is incorrect),

Let me know if my understanding on the Morivain cameras is correct.

Thanks

Read More...