Charles F. Capen books & textbook
Introduction to Observing and Photographing the Solar System
Dobbins, Thomas A. Parker, Donald C. Capen, Charles F.
Willmann-Bell /1988T Hardcover / 215 Pages
isbn-10: 0943396174 / isbn-13: 9780943396170
Astro Filters for Observation and Astrophotography
Raymond F. Barbera Charles F. Capen George B. Carvalho Richard A. Steeg
Optica Company /1973T Paperback