Celestron 31058 Instruction Manual page 4

Celestron c150-hd and g-8n newtonian instruciton manual
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Observing the Moon ..................................................................................................................................... 40
Observing the Planets ................................................................................................................................... 40
Observing the Sun ......................................................................................................................................... 41
Observing Deep-Sky Objects ........................................................................................................................ 41
Using the Setting Circles ................................................................................................................ 42
Star Hopping ................................................................................................................................... 43
Viewing Conditions ...................................................................................................................................... 45
Transparency .................................................................................................................................. 45
Sky Illumination ............................................................................................................................. 45
Seeing ............................................................................................................................................. 45
L L L L L CELESTIAL PHOTOGRAPHY ........................................................................................................................ 47
Short Exposure Prime Focus ......................................................................................................................... 48
Piggyback ..................................................................................................................................................... 49
L L L L L TELESCOPE MAINTENANCE ......................................................................................................................... 51
Care and Cleaning of the Optics ................................................................................................................... 51
Collimation ................................................................................................................................................... 51
L L L L L OPTIONAL ACCESSORIES .............................................................................................................................. 53
L L L L L THE MESSIER CATALOG ................................................................................................................................ 56
L L L L L LIST OF BRIGHT STARS .................................................................................................................................. 59
L L L L L FOR FURTHER READING ................................................................................................................................ 60
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