(
CELESTIAL OBSERVING....................................................................................................................... 32
................................................................................................................................. 33
................................................................................................................................. 33
Transparency ....................................................................................................................................... 33
Sky Illumination ................................................................................................................................... 33
Seeing................................................................................................................................................... 34
TELESCOPE MAINTENANCE ............................................................................................................... 35
OPTIONAL ACCESSORIES .................................................................................................................. 36
SKY MAPS.................................................................................................................................................. 45
) ......................................................................................... 29
............................................................................................................................. 32
......................................................................................................................... 32
............................................................................................................... 33
....................................................................................................... 35
iii