SKY-WATCHER 909AZ3 Instruction Manual Download | Manualshive

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FOR 909AZ3

Optical Tube:

90mm/900mm

Alt-Azimuth Mount:

AZ3

INSTRUCTION MANUAL

Telescope Main Body

Dust Cap / Mask

(Remove before viewing)

Dew Cap / Sun Shade

Objective Lens

Tube Rings

Accessory Tray

Tripod Leg

Height Adjustment Clamp

Piggyback Bracket

Finderscope

Finderscope Bracket

Finderscope Allignment
Screw

Focus Tube
Eyepiece

Diagonal

Focus Knobs

Altitude Flexible
Control Cable

Azimuth Flexible
Control Cable

1
2
3
...
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Summary of Contents for 909AZ3

Page 1: ...Mask Remove before viewing Dew Cap Sun Shade Objective Lens Tube Rings Accessory Tray Tripod Leg Height Adjustment Clamp Piggyback Bracket Finderscope Finderscope Bracket Finderscope Allignment Screw...

Page 2: ...5 3 3 4 4 4 5 5 5 6 7 7 7 8 8 8 8 8 8 9 TABLE OF CONTENTS Read the entire instructions carefully before beginning Your telesope should be assembled during daylight hours Choose a large open area to wo...

Page 3: ...wingnuts and damage tripod legs Fig 3 Fig 2 TRIPOD SET UP ATTACHING THE TELESCOPE MAIN TUBE TO TUBE RINGS Fig 5 1 Remove the telescope tube from the paper covering 2 Place telescope tube in between t...

Page 4: ...9 These fixed magnification scopes mounted on the optical tube are very useful accessories When they are correctly aligned with the telescope objects can be quickly located and brought to the centre o...

Page 5: ...e number of eyepiece in your collection Focusing Fig c Slowly turn the focus knobs under the focuser one way or the other until the image in the eyepiece is sharp Fig c The image usually has to be fin...

Page 6: ...and therefore the stars are constantly moving so to track with this mount you need to constantly nudge the optical tube in both azimuth and altitude to keep the object in the field In reference materi...

Page 7: ...bit from person to person is less until your eyes become fully dark adapted and decreases as you get older To determine an exit pupil you divide the diameter of the primary of your telescope in mm by...

Page 8: ...also affects images Astronomy is an outdoor activity The best conditions will have still air and obviously a clear view of the sky It is not necessary that the sky be cloud free Often broken cloud con...

Page 9: ...New York 1984 Astrophotography An Introduction by H J P Arnold Sky Publishing Corp Cambridge MA Sky Telescope Observer s Guides Series ed Leif J Robinson 1995 Observational References Magazines Astro...

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