Meade StarNavigator 90mm Instruction Manual - Page 43
Appendix D
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APPENDIX D Training the Drive Train the telescope motors using Audiostar. Perform this procedure if you are experiencing any pointing accuracy problems. Fig. 32 depicts the complete Drive Training procedure. NOTE: Use a terrestrial object, such as a telephone pole or lamp post, to train the drive. Complete this exercise once every 3 to 6 months to maintain the highest level of telescope pointing accuracy. This manual gives only the briefest introduction to astronomy. If you are interested in pursuing further studies, a few topics are suggested below that are worth reading up on. Try looking up some of these topics in the Audiostar glossary. Also below is a small sampling of books, magazines, and organizations that you might find helpful. Topics 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? How old is the Moon and Earth? How old is the Sun? 4. What is a black hole? A neutron star? 5. What are stars made of? Why are stars different colours? What is a white dwarf? A red giant? Have we ever seen the surface of a star besides our own Sun? 6. What is a nova? A supernova? 7. What are comets? Minor planets? Meteors? Meteor showers? Where do they come from? 8. What is a planetary nebula? A globular cluster? 9. What is the Big Bang? Is the universe expanding or contracting, or does it always remain the same? What is dark matter? 10. What is an extrasolar planet? What is an accretion (or protoplanetary) disk? 11. What is the difference between an elliptical, a spiral, and an irregular galaxy? Magazines 1. Sky & Telescope Box 9111, Belmont, MA 02178 2. Astronomy Box 1612, Waukesha, WI 53187 And watch Jack Horkheimer, Star Gazer, on your local PBS station. Fig. 32: Training the drive Looking at or near the Sun will cause irreversible damage to your eye. Do not point this telescope at or near the Sun. Do not look through the telescope as it is moving. 41