Astronomers and students interested in studying the Sun require a thorough understanding of the proper techniques and equipment. Safety precautions are paramount, as the intensity of the heat and light can instantly blind the untrained observer. In this book, Kitchin provides all the information needed for safe observation as well as novel techniques that will make solar observation a rewarding experience.
In case you don't have time to read the book, here are the most important things you need to know:
Don't look at the sun a) through a telescope without a solar filter (near-instant blindness) b) through binoculars (near instat blindness) c) with your eyes (slower visual loss)