Trying to quantify seeing/image-quality

Scripts and programs to automate Astroart
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Rudi
Posts: 102
Joined: 08 Jan 2019, 04:47

Re: Trying to quantify seeing/image-quality

Post by Rudi » 18 Mar 2021, 07:27

Pascale,

If the star is elongated at an angle of 45°, 135°, 225° or 315°, then |sin alpha|=|cos alpha| and Astroart's x and y components are equal.
/Rudi

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