add astropy

README.md

@@ -462,3 +462,6 @@ https://zeiw.me
 
 ### OpenELIS Global
 [OpenELIS Global](http://openelisglobal.org) OpenELIS is an open-source laboratory information system that supports the entire laboratory workflow, including the pre-analytical, analytical, and post-analytical phases. Meaning patient demographic data; laboratory order details; technical requirements and validations for the laboratory tests and analyses; and clinical and lab performance reports. It is installed in 83 labs in Cots d'Ivoire, many labs in Haiti and widely as part of the Bahmni hospital system for low resource settings. 
+
+### Astropy
+The [Astropy Project](http://astropy.org) is a community effort to develop a common core package for Astronomy in Python and foster an ecosystem of interoperable astronomy packages.