Ready References
A Guide to Backyard Astronomy
Understanding Celestial Coordinates
Choosing Your First Telescope
Hands-On Astrophysics (HOA)
Making Variable Star Observations
Notes on the Construction and Design of Instruments and Apparatus
Molding and Casting
(2000).iso/amsci01/images/info24.jpg){kind=small}
Ready References Understanding Celestial Coordinates (2000).iso/amsci01/images/observ24.jpg){kind=small}
Making Variable Star Observations (2000).iso/amsci01/images/construct24.jpg){kind=small}
Notes on the Construction and Design of Instruments and Apparatus