Название: Planetary Nebulae and How to Observe Them
Автор: Martin Griffiths
Год: 2012
Издательство: Springer
Формат: PDF
Размер 11 mb
Страниц: 299
ISBN: 1461417813
Язык: Английский
Planetary Nebulae and How to Observe Them is for amateur astronomers who want to go beyond the Messier objects, concentrating on one of the most beautiful classes of astronomical objects in the sky. Planetary nebulae are not visible to the naked eye, but they are a fascinating group of telescope objects. This guide enables a user equipped with an average-sized amateur telescope to get the best out of observing them. Topics covered include their astrophysical make-up, history of their discovery, classifi ... Читать дальше »