lucky sprint

Foreman-Mackey and I (very irresponsibly) did a monster code sprint today on lucky imaging. We got a piece of code working, doing online stochastic gradient like in the Hirsch et al (2011) paper I cited two days ago. We are running on data provided by Federica Bianco (UCSB). However, we have not applied various useful and important regularizations (like centering the PSFs, making the PSFs non-negative, and so on) so currently the code wanders off to fuzzy model space. More soon!

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