I think your math is pretty close now. ?But the seeing is also a consideration. ?For exposures longer than a few seconds, most of the time seeing is going to make tracking accuracy below 1/4-1/2 arcsec irrelevant. ?
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On 12 Jul 2021, at 10:05, Henk Aling <
haling@...> wrote:
Sorry about the bandwidth but to correct myself once more, the RMS of the pixels in the last paragraph is really the size of the image of a point source in pixels (I used a factor 2 between them because the RMS goes in 2 directions).?
Sorry again, I'm just trying to define for myself what is a reasonable goal and when I should start using my mono camera.? I am not nearly at that goal, and my images show it.? HTH.
