Meade 4504 Instruction Manual Page 37
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MODEL 4504 TELESCOPE SPECIFICATIONS
Optical design ................................................................Newtonian Reflector
Clear aperture ..............................................................114mm (4.5”)
Focal length ....................................................................910mm
Focal ratio (photographic speed) ..................................f/8
Resolving power ............................................................1.0 arc secs
Multi-coatings on objective lens ....................................Standard
Limiting visual stellar magnitude (approx.) ....................12.4
Image scale ..................................................................1.6°/inch
Maximum practical visual power ..................................325X
Optical tube dimensions
(dia. x length) ..........................................................14cm x 86.4cm (5.5” x 34”)
Eyepieces
Modified Achromatic ..............................................H 25mm (0.965” O.D.)
Modified Achromatic ..............................................H 12.5mm (0.965” O.D.)
Modified Achromatic ..............................................SR 4mm (0.965” O.D.)
Barlow ....................................................................3x magnification
Telescope mounting........................................................German equatorial mount
Setting circle diameters ..........................................6.2cm (2.45")
Input voltage ..........................................................12-volts DC
Motor Drive System ................................................
DC servo motors with encoders, both axes
Slow-Motion Controls ....................................................Electric, 7 speeds, both axes
Hemispheres of operation ..............................................North and South, switchable
Materials
Tube body ..............................................................Aluminum
Mounting ................................................................Die-cast aluminum
Telescope net weight:
(telescope only, without batteries, eyepieces)................10.5 kg (23 lbs.)
Telescope shipping weight
(telescope, accessories, instruction manual, packing) ..14 kg (31 lbs.)
Battery Life (approx.)
with Starfinder ........................................................20 hrs.
STARFINDER SPECIFICATIONS
Processor ......................................................................68HC11, 8MHz
Flash Memory ................................................................512KB, reloadable
Keypad ..........................................................................10 key
Display............................................................................2 line, 16 character LCD
Backlight ........................................................................Red LED
Coil Cord ........................................................................24"
STARFINDER DIMENSIONS
Length ............................................................................14.2cm (5.60")
Width (LCD end) ............................................................78.0cm (3.08")
Width (Connector end) ..................................................53.5cm (2.10")
Depth ..............................................................................23.5cm (0.93")
- Instruction Manual 1
- Meade Instruments Corporation 1
- How This Manual is Organized 2
- TABLE OF CONTENTS 3
- PART ONE: The Basics 5
- Key to Figures 2a, 2b, and 2c 6
- NOTE: The coiled cord that 7
- Eyepiece 9
- Fig. 9b: Balancing 10
- Fig. 9a: Balancing 10
- Fig. 10: Correctly 11
- Observe the World Around You 13
- Activate the Arrow Keys 14
- Slew Speeds 14
- LESSON 6: Tracking Objects 15
- To Polar Align the Telescope: 15
- Observe the Moon 15
- Initializing Starfinder 17
- Training the Drive 19
- Check Mount 20
- Go To Saturn 21
- Using the Guided Tour 21
- Some Observation Tips 22
- Starfinder Controls 23
- Starfinder 26
- To Calculate Sunset time: 27
- Starfinder Menus 28
- Event Menu 29
- Glossary Menu 29
- Utilities Menu 30
- Setup Menu 31
- Table 1: Time Zone Shift 32
- STARFINDER SPECIFICATIONS 37
- STARFINDER DIMENSIONS 37
- Little Dipper 40
- Big Dipper 40
- Cassiopeia 40
- Using Setting Circles 41
- Two-Star Polar Alignment 41
- Coordinates 42
- APPENDIX D: Helpful Charts 43
- APPENDIX E: Basic Astronomy 44
- Season Star Name 46
- Constellation 46
- R.A. Dec 46
- Meade Limited Warranty 47
- 0600 14-7010-04 48
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