In the ten years since this award-winning book was originally written by Michael Porcellino, the field of astronomy and its discoveries has grown by leaps and b

The touchstone for contemporary stargazers. This classic, groundbreaking guide has been the go-to field guide for both beginning and experienced amateur astrono

How do you choose your first telescope? Or build one from first principles? What can the deep sky offer you season-by-season? How do you get started in astropho

Timeless, comprehensive coverage of telescopes, mirrors, lenses, mountings, telescope drives, micrometers, spectroscopes, more. ". . . highly recommended for ve

Superbly illustrated, up-to-date, expanded version of Hartung's indispensable guide, useful to amateur and expert observers.