James L. Chen

Books
The NexStar Evolution and SkyPortal User's Guide The NexStar Evolution and SkyPortal User's Guide
The NexStar Evolution and SkyPortal User's Guide
2016
How to Find the Apollo Landing Sites How to Find the Apollo Landing Sites
How to Find the Apollo Landing Sites
2014
Astronomy for Older Eyes Astronomy for Older Eyes
Astronomy for Older Eyes
2017
A Guide to Hubble Space Telescope Objects A Guide to Hubble Space Telescope Objects
A Guide to Hubble Space Telescope Objects
2015