gkrellsun: Norman Walsh <ndw@nwalsh.com> Kurt V. Hindenburg <kvh009@users.sourceforge.net> Based on: wmSun: (C) Mike Henderson <mghenderson@lanl.gov>. gkrellmoon: (C) Dale P. Smith <dsmith@altustech.com> glunarclock: Josh Buhl <jbuhl@users.sourceforge.net> Based on: wmMoonClock-1.27, (CalcEphem.c, Moon.c, MoonRise.c) (C) Mike Henderson <mghenderson@lanl.gov>.