Meade lx-90 Manual Do Utilizador

53

Train the telescope motors using AutoStar. Perform this procedure if you are experiencing any pointing accuracy 
problems.

Fig. 31 depicts the complete Drive Training procedure.

Press  >  until it
is centered

Press  <  until it
is centered

Train Drive
   Az. Train

Train Drive
   Alt. Train

Drive Setup
   For this op. . .

Center reference
object

Scope slews left.
Bring target back
to center using
the Right Arrow key.

12

13

14

15

16

17

Scope slews right.
Bring target back
to center using
the Left Arrow key.

Menu returns to
Az. training.

Altitude
(vertical)
training.

Reminder to 
use terrestrial
target.

Train Drive
   Az. Train

Select Item
   Object

Press     until it
is centered

Press     until it
is centered

18

19

20

21

Center target
using Arrow
keys.

Scope slews down.
Bring target back
to center using
the Up Arrow key.

Scope slews up.
Bring target back
to center using
the Down Arrow key.

Multiple presses.

Select Item
   Object

Select Item
   Setup

Setup
   Align

Setup
   Telescope

3

4

6

Press the scroll 
up key once.

Access the Setup
menu.

Multiple presses.

Access the 
Telescope menu.

5

1

Telescope
   Telescope Model

Telescope
   Train Drive

Train Drive
   Az. Train

Drive Setup
   For this op. . .

Center reference
object.

Multiple presses.

Choose the Train
Drive option.

Azimuth 
(horizontal)
training.

7

8

9

10

11

Reminder to 
use terrestrial
target.

Center target
using Arrow
keys.

Verify that AUTOSTAR 
INITIALIZATION is 
complete.

Press MODE until 
Select Item is displayed.

1

2

>

>

This manual gives only the briefest introduction to astronomy. If
you are interested in pursuing further studies in astronomy, a few
topics are suggested below that are worth reading up on (some
of the topics are easy and some are quite challenging). Try look-
ing up some of these in the AutoStar glossary.

Also included below is a small sampling of books, magazines
and organizations that you might find helpful.

1.

How is a star born? How does a solar system form? 

2.

How is the distance to a star measured? What is a light
year? What is red shift and blue shift?

3.

How are the craters on our Moon formed? Is there water
under the surface of the Moon? 

4.

What is a black hole? A neutron star? A quark star? A
gamma burster? An Einstein lens?

5.

What are stars made of? Why are stars different colors?
How is the elemental composition of a star determined?
What is an Lyman Alpha forest?

6.

What is the difference between a Type 1 and a Type II
supernova? 

7.

What is the importance of studying the composition of
comets? Where do comets come from? 

8.

How old is our Sun? Will our Sun evolve into a planetary
nebula or go supernova? 

9.

What is the Inflationary Big Bang? What is dark matter?
What are MACHO's?

10. How are extrasolar planets discovered? What is an accre-

tion (or protoplanetary) disk? 

11. What are the differences between elliptical, spiral and irreg-

ular galaxies? Can globular clusters be older than the uni-
verse itself? 

1.

The Guide to Amateur Astronomy by Jack Newton and
Philip Teece

2.

The Sky: A User’s Guide by David Levy

3.

Turn Left at Orion by Guy Consolmagno & Dan Davis

4.

Astrophotography for the Amateur by Michael Covington 

1.

Sky & Telescope
Box 9111, Belmont, MA 02178

2.

Astronomy
Box 1612, Waukesha, WI 53187

1.

Astronomical League
Executive Secretary
5675 Real del Norte, Las Cruces, NM 88012

2.

The Astronomical Society of the Pacific
390 Ashton Ave., San Francisco, CA 94112

3.

The Planetary Society
65 North Catalina Ave, Pasadena, CA 91106

And watch Jack Horkheimer, Star Gazer, on your local PBS 
station. Visit Jack’s website at: www.jackstargazer.com