Celestron 31056, 31058 instruction manual Celestial Photography

Models: 31058 31056

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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

CELESTIAL PHOTOGRAPHY

47

Short Exposure Prime Focus

48

Piggyback

49

TELESCOPE MAINTENANCE

51

Care and Cleaning of the Optics

51

Collimation

51

OPTIONAL ACCESSORIES

53

THE MESSIER CATALOG

56

LIST OF BRIGHT STARS

59

FOR FURTHER READING

60

ii • Table of Contents

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Celestron 31056, 31058 instruction manual Celestial Photography