Meade-instruments 4500 User Manual

© 1995Rev. B4/95Instruction ManualModel 4500: 4.5" Equatorial Reflecting Telescope0306090306090MEADEADVANCED PRODUCTS DIVISIONMeade Instruments C

– 10 –• To center an object in the main telescope, loosen the telescope’s R.A. lock (22) and Dec. lock (23). Thetelescope can now turn freely on its a

– 11 –• The Moon: A veritable treasury of craters, mountain ranges and fault lines. The best contrast for viewingthe Moon is during its crescent pha

– 12 –H. Maintenance1. CleaningAs with any quality instrument, lens or mirror surfaces should be cleaned as infrequently as possible. Frontsurface al

– 13 –falls directly through the center of the focuser drawtube (17, Fig. 1). These mirror tilt adjustments are madewith the diagonal assembly (Fig. 5

– 14 –b. Spider vane adjustmentsIf the diagonal mirror (1, Fig. 8) is left or right of center within the drawtube (2, Fig. 8), loosen the spider vanea

– 15 –spot dead center within the out-of-focus star disk (this is the shadow of the secondary mirror), as shownin Fig.11C. (An improperly aligned tele

ADVANCED PRODUCTS DIVISIONMeade Instruments CorporationWorld’s Leading Manufacturer of Astronomical Telescopes for the Serious Amateur6001 Oak Canyon,

– 2 –WARNINGNEVER ATTEMPT TO OBSERVE THE SUNTHROUGH YOUR MEADETELESCOPE! OBSERVING THE SUN, EVEN FOR THE SHORTESTFRACTION OF A SECOND, WILL CAUSE INST

– 3 –TABLE OF CONTENTSA. Introducing the Meade Model 4500 . . . . . . . . . . . . . . . . . . . . . . . . . .61. This Manual . . . . . . . . . . . .

– 4 –1. Tripod legs2. Equatorial mount3. R.A. flexible cable control4. Dec. flexible cable control5. Counterweight6. Counterweight shaft7. Counterweig

– 5 –Fig. 1: Meade Model 4500: 4.5" Equatorial Reflecting Telescope0306090306090MEADE24340414243138395678910111213141516171819212223242025262728

– 6 –A. Introducing the Meade Model 4500The Model 4500 is an easy-to-operate, high performance 4.5" (114mm) reflecting telescope, intended forast

– 7 –• Release the latitude lock (9) of the equatorial mount, and tilt the polar axis (10) of the telescope toroughly a 45° angle by turning the latit

– 8 –Fig. 2: Celestial Sphere14151617181920212223011211109875643213Earth’s Rotation0° Dec.South Celestial PoleRight AscensionStarCelestial Equator-90°

(which passes, for example, through the constellations Orion, Virgo and Aquarius) is specified as having0°0'0" Declination. The Declination