Description: This web site has been developed as an extension of the books and articles on and about amateur astronomy authored by Phil Harrington. Topics cover choosing and using astronomical equipment, observing selected sky targets, information on solar and lunar eclipses, and much more.
Keywords: astronomy, telescopes, observing, deep-sky objects, solar eclipse, planets, binoculars, eclipses, solar eclipse, lunar eclipse, eyepieces
Science Astronomy Publications Books 网站
2024年12月20日