[AstroPy] how to determine whether a point was observed by hst ever?

[gonghang.naoc]

hi,
If there is just one point, we can check stsci. How about many points?
I just need a yes or no.  Of course an observation log is even better.
Even we input a position and the output list is not null in stsci, there is
not necessarily archive data covered that point because of the search
radius and the shape of hst' fov.
Did anybody write a similar script before?   How do you check the archive
data? A web crawler is necessary?

Thank you.
hang
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