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is there COTS star pattern identification software?

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Yegor - 26 Jan 2006 20:39 GMT
Does anyone know of a COTS star pattern identification software?
Obviously, 'lost in space' will also work (might be more expensive,
though).

References to literature/descriptions of relevant algorithms would also
be very useful.

Note: I am looking for a little more detail than "make triangles out of
star centroids in the image, measure the distance between centroids in
the triangle, then compare with a database of same, generated from a
star catalog (correcting for proper motion)."

Thanks!
Steve Willner - 30 Jan 2006 18:18 GMT
> Does anyone know of a COTS star pattern identification software?

You might have a look at the WCStools package at
http://tdc-www.harvard.edu/software/wcstools/

In particular, see 'imwcs'.  Unfortunately, the current implementation
requires that the rotation angle be known, at least approximately, but
maybe you could adapt the program for your purpose.
Stupendous_Man - 02 Feb 2006 17:11 GMT
http://spiff.rit.edu/match/

Does not require that the rotation angle be known in advance.
Is not user friendly.

                            Michael Richmond
MJFitzpatrick@gmail.com - 04 Feb 2006 17:37 GMT
 The NVO also just released two new "WCSFixer" services using either
an approximate WCS in the header or a position/scale starting guess (no
rotation needed).  See the links at the botton of the
NVO homepage at http://us-vo.org

-Mike
 
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