Planetary Programs & Tables (BASIC) CD
Planetary Programs & Tables (PASCAL) CD
Planetary Programs & Tables (FORTRAN) CD
Planetary Programs & Tables (NEWCOMB) CD
Lunar Tables & Programs (FORTRAN) CD
Lunar Tables & Programs (PASCAL) CD
Planetary Programs & Tables (Hickley-Bresim) CD
Planetary & Lunar Ephemerides (JPL) CD
Lunar Tables & Programs (BASIC) CD
Excel Spreadsheet Ray Tracing Programs CD
Cannon of Lunar Eclipses (1500 B.C.-A.D. 3000) CD
Astronomical Photometry CD
The Year-Round Messier Marathon
Telescope Optics - A comprehensive Manual for Amateur Astronomers
Telescope Control
SYNOPSYS Supplement to Joseph M. Geary's Introduction to Lens Design
Star Testing Astronomical Telescopes, 2nd Edition
Star Clusters
Solving Kepler's Equation
Planetary Programs and Tables -4000 to +2800
Night Sky Observer's Guide Volume 4: The Glories of the Milky Way to –54°
Night Sky Observer's Guide Volume 3: The Southern Skies
Night Sky Observer's Guide Volume 2: Spring and Summer
Night Sky Observer's Guide Volume 1: Autumn and Winter
