Accuracy of corr

[Gaetano Zarcone]

Hi Dustin, hello everyone

I have a doubt about the accuracy of the corr file. I know that in corr I find the star of the catalogue present in the FoV with their positions (x,y and ra,dec) and other. My questions are:

1)how much accurated are these positions? 

2) if I solve an image twice, can I improve this accuracy?

I don't know if these questions have a sense.

The catalogue used is Tycho 2

Thank you very much 

[Leonardo Parisi]

as far as I know making it run twice improves the solution found.
But I leave the answer to the expert

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