Basic astronomical calculations with R CRAN Task View: ChemPhys (http://CRAN.R-project.org/view=ChemPhys) A collection of basic astronomical routines for R based on "Practical astronomy with your calculator" by Peter Duffet-Smith. Software Lukasz Komsta <luke@novum.am.lublin.pl> Lukasz Komsta GPL-2 2010-09-23 application/tgz http://CRAN.R-project.org/package=moonsun