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variety of celestial coordinates and to find compass points on the horizon.

   In this menu,  you will see the following list of ways by
which you can find an object:

Object Name...
Messier...
NGC...
IC...
---------------
Horizon Menu...
Satellite...
Planet...
Planet Feature...
Comet...
Asteroid...
---------------
Star
Nebula
Open Cluster...
Globular Cluster...
Constellation...
Galaxy
---------------
Coordinates
Go To .TDF object...

   Star, galaxy, nebula, and coordinate options are discussed in their
own subchapters below. (The "Galaxy" option also includes "clusters of
galaxies").
                                                     
   The first,  "Object Name",  option is,  for some people,  the only
option needed.  Click on it,  and Guide will ask you to simply enter an
object name,  such as "M 57" or "IC 433" or "Neptune".  It can also
locate stars such as "gam Per",  "61 Cyg",  "Z Cam",  "SAO 123456",
or "Betelgeuse";   asteroids such as "Vesta" or "1992 QB1";  and
artificial satellites such as "ISS" or "WIRE",  and many object names
not specified here. If in doubt about an object name,  just try
entering it.  At worst, Guide will respond with "Object not found."

   Unfortunately,  it can't decipher all possible object designations,
and some are ambiguous (for example,  "Io" is both a satellite and an
asteroid;  "Mu Cep" refers to two different stars,  depending on if
"Mu" is a Greek letter or the variable star designation MU;  and so on.)
So the following options are very useful:
                                                     
   To find a Messier,  NGC,  or IC object,  click on one of these   
three menu items and enter the catalog number.  Guide will recenter on
that object.
                                                        
   The "Horizon Menu" brings up a small dialog box listing eight compass

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