The JMI NGC-MAX computer has a serial interface, and can be used with a computer or as a standalone unit. It features a timer, polar alignment help, Identify mode, RS-232 computer interface, and a 12,046-object database. It also includes a computer mounting bracket, and an instructional video.
The NGC-MAX database includes all 110 Messier objects, and all NGC objects. The IC catalog consists of all IC objects which are not galaxies, galaxies which have a magnitude specified and all remaining galaxies which have a size of 1.9 arc-minutes or more. There are separate catalogs for 928 stars and 386 other non-stellar objects, including 19 black hole candidates and quasars. An additional user catalog includes 28 user-defined objects. A planet catalog is also included.