Ready References
A Guide to Backyard Astronomy
Understanding Celestial Coordinates
The Stellar Magnitude System
Making Variable Star Observations
Essential Technologies for Making Accurate PC-Based Measurements
The Use of Fused Silica
Coating of Surfaces: Evaporation and Sputtering
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Ready References Understanding Celestial Coordinates (2000).iso/amsci01/images/observ24.jpg){kind=small}
Making Variable Star Observations Essential Technologies for Making Accurate PC-Based Measurements (2000).iso/amsci01/images/construct24.jpg){kind=small}