Fun new book from O'Reilly's Hacks series: Astronomy Hacks. "This handy field guide covers the basics of observing, and what you need to know about tweaking, tuning, adjusting, and tricking out a 'scope."
Fun new book from O'Reilly's Hacks series: Astronomy Hacks. "This handy field guide covers the basics of observing, and what you need to know about tweaking, tuning, adjusting, and tricking out a 'scope."