http://astrometry.net/
here is an overview:
http://cosmo.nyu.edu/hogg/research/2006/09/28/astrometry_goo...
It's fun to read about but way over my head mathematically.
http://astrometry.net/
here is an overview:
http://cosmo.nyu.edu/hogg/research/2006/09/28/astrometry_goo...
It's fun to read about but way over my head mathematically.