Contents
Introduction ................................................................................................................................................................ 2
Assembly ................................................................................................................................................................... 3
What’s an Astroscan? ............................................................................................................................................... 4
Optical Specifications ............................................................................................................................................ 5
Basic Operation and Viewing Hints ........................................................................................................................... 7
Discovering the Solar System ................................................................................................................................... 11
Sun ........................................................................................................................................................................ 11
Moon ..................................................................................................................................................................... 11
Planets .................................................................................................................................................................. 14
Comets .................................................................................................................................................................. 17
Discovering the Deep-Sky ......................................................................................................................................... 18
Single Stars and Star Colors ................................................................................................................................. 18
Double and Multiple Stars ..................................................................................................................................... 19
Star Clusters and Asterisms .................................................................................................................................. 20
Nebulae ................................................................................................................................................................. 21
Galaxies ................................................................................................................................................................ 22
Milky Way .............................................................................................................................................................. 23
Terrestrial Use ........................................................................................................................................................... 24
Care and Maintenance .............................................................................................................................................. 27
Accessories ............................................................................................................................................................... 28
Warranty .................................................................................................................................................................... 28
ASTROSCAN USER’S GUIDE
1
About the Author
James Mullaney is an astronomy writer, lecturer and consultant who has published more than 700
articles and eight books on observing the wonders of the heavens, and logged over 25,000 hours
of stargazing time with the unaided eye, binoculars, and telescopes. Formerly Curator of the Buhl
Planetarium in Pittsburgh and Director of the DuPont Planetarium, he served as staff astronomer at
the University of Pittsburgh’s Allegheny Observatory, and as an editor for Sky & Telescope magazine.
A contributor to Carl Sagan’s award-winning Cosmos PBS-Television series, Mr. Mullaney's 50-
year mission has been to “Celebrate the Universe!” – to get others to look up at the majesty of the
heavens and to personally experience the joys of stargazing. In February of 2005, Mr. Mullaney was
elected a Fellow of the prestigious Royal Astronomical Society of London.
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