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4.
Catalog Keys: The Advanced Series has keys on the hand control to allow direct
access to each of the catalogs in its database. The hand control contains the following
catalogs in its database:
Messier – Complete list of all Messier objects.
NGC – Complete list of all the deep-sky objects in the Revised New General
Catalog.
Caldwell – A combination of the best NGC and IC objects.
Planets - All 8 planets in our Solar System plus the Moon.
Stars – A compiled list of the brightest stars from the SAO catalog.
List – For quick access, all of the best and most popular objects in the Advanced
GT database have been broken down into lists based on their type and/or common
name:
Named Stars
Common name listing of the brightest stars
in the sky.
Named Objects Alphabetical listing of over 50 of the most
popular deep sky objects.
Double Stars
Numeric-alphabetical listing of the most
visually stunning double, triple and
Figure 3-1
The Advanced GT Hand Control