Alan Chu’s Workshop


This site is my “workshop” more than a webpage.

Contact me: (Alan Chu 朱永鴻)      


Photographic Moon Book




Version 3.5   Download  (PDF, 257 pages, 124 MB)


A mirror is maintained by the courtesy of Whitepeak Observatory, which is more readily accessible to North American readers at



《基本天文學課程  第三版》 



Version 3   Download  (PDF, 368 pages, 129 MB)


本課程以物理論述基本天文學的主要範疇,包括十五篇講義共三百六十頁,插圖九百餘幅,對象為高中至大學初級有數理基礎和天文入門知識的學生 / 自修人士,講義後的  歷史回顧 介紹一些相關的天文學史,Q&A 是供學員溫習和思考用的。 


This book also accessible in the Forum of Hong Kong Astronomical Society