Observe and Understand Variable Stars
Ever wonder about variable stars? This book is an introduction to the subject by long-time variable star observer Dr. Roger Kolman. Read about the different kinds of variable stars, from short period through long to irregular. Since this is an Observe manual, the most important section is describes the techniques used in making stellar brightness estimates. By Dr. Roger Kolman, 107 pages, copyright 1999.
Price: $18.00