Lignende værker: Astronomical Spectroscopy for Amateurs /
- The Amateur Astronomer /
- The Amateur Astronomer's Handbook /
- Care of Astronomical Telescopes and Accessories : A Manual for the Astronomical Observer and Amateur Telescope Maker /
- Astronomical Photometry : Past, Present, and Future /
- Atlas of Astronomical Discoveries /
- A Complete Manual of Amateur Astronomy : Tools and Techniques for Astronomical Observations /