That's what I did initially. I downloaded the H17 (or back then the G17). Then no matter what parameters I tweaked for ASTAP in NINA I couldn't platesolve and someone alluded that my resolution was a lot higher and I should go G18. That worked for me.
Since then, I had moved my computer/camera setup to a refractor with 2deg FoV and forgot to switch the database from G18 to G17, but I didn't have any problems platesolving with G18 on a larger FoV either. It probably just took longer than with a G17 database.
Of course now all the databases have gone to the H-series.
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