Ready References
A Guide to Backyard Astronomy
Names of the Stars
Names of Deep-Sky Objects
AAVSO Observing Programs
Stepper Servo Motors
Optical Instruments
Notes on the Construction and Design of Instruments and Apparatus
(2000).iso/amsci01/images/info24.jpg)
Ready References A Guide to Backyard Astronomy Names of the Stars Names of Deep-Sky Objects (2000).iso/amsci01/images/observ24.jpg)
AAVSO Observing Programs (2000).iso/amsci01/images/application.jpg)
Stepper Servo Motors (2000).iso/amsci01/images/construct24.jpg)
Optical Instruments Notes on the Construction and Design of Instruments and Apparatus