1. The NexStar evolution and SkyPortal user's guide. (2016) Authors: Chen, James L; Chen, Adam, 1983- Record Type: Book Extent: 1 online resource (xix, 219 pages), illustrations (some color) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The ShortTube 80 Telescope : a User's Guide /: a User's Guide. (2019) Other Names: English, Neil T Record Type: Book Extent: 1 online resource (248 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗