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8

APPENDIX B 

 GLOSSARY OF TERMS

Absolute .magnitude .. . . . . . The . apparent . magnitude . that . a . star . would . have . if . it . were . observed . from . a .

standard .distance .of .10 .parsecs, .or .2.6 .light-years. .The .absolute .magnitude .of .
the .Sun .is .4.8 .at .a .distance .of .10 .parsecs, .it .would .just .be .visible .on .Earth .on .
a .clear .moonless .night .away .from .surface .light.

Airy .disk . . . . . . . . . . . . . . . The .apparent .size .of .a .star’s .disk .produced .even .by .a .perfect .optical .system. .

Since . the . star . can . never . be . focused . perfectly, . 84 . per . cent . of . the . light . will .
concentrate . into . a . single . disk, . and . 16 . per . cent . into . a . system . of . surrounding .
rings. .

Alt-Azimuth .Mounting. . . . . A .telescope .mounting .using .two .independent .rotation .axes .allowing .movement .of .

the .instrument .in .Altitude .and .Azimuth. .

Altitude. . . . . . . . . . . . . . . In .astronomy, .the .altitude .of .a .celestial .object .is .its .Angular .Distance .above .or .

below .the .celestial .horizon.

Aperture . . . . . . . . . . . . . . The .diameter .of .a .telescope’s .primary .lens .or .mirror; .the .larger .the .aperture, .the .

greater .the .telescope’s .light-gathering .power.

Apparent .Magnitude . . . . . . A .measure .of .the .relative .brightness .of .a .star .or .other .celestial .object .as .perceived .

by .an .observer .on .Earth.

Arc .minute . . . . . . . . . . . . . A .unit .of .angular .size .equal .to .1/60 .of .a .degree.
Arc .second .. . . . . . . . . . . . A .unit .of .angular .size .equal .to .1/,600 .of .a .degree .(or .1/60 .of .an .arc .minute).
Asterism . . . . . . . . . . . . . . A .small .unofficial .grouping .of .stars .in .the .night .sky.
Asteroid . . . . . . . . . . . . . . . A .small, .rocky .body .that .orbits .a .star.
Astrology. . . . . . . . . . . . . . The . pseudoscientific . belief . that . the . positions . of . stars . and . planets . exert . an .

influence .on .human .affairs; .astrology .has .nothing .in .common .with .astronomy.

Astronomical .unit .(AU) . . . . . The .distance .between .the .Earth .and .the .Sun. .It .is .equal .to .149,597,900 .km, .

usually .rounded .off .to .150,000,000 .km. .

Aurora . . . . . . . . . . . . . . . . The .emission .of .light .when .charged .particles .from .the .solar .wind .slams .into .and .

excites .atoms .and .molecules .in .a .planet’s .upper .atmosphere.

Azimuth .. . . . . . . . . . . . . . The .angular .distance .of .an .object .eastwards .along .the .horizon, .measured .from .

due .north, .between .the .astronomical .meridian .(the .vertical .line .passing .through .
the .center .of .the .sky .and .the .north .and .south .points .on .the .horizon) .and .the .
vertical .line .containing .the .celestial .body .whose .position .is .to .be .measured.

Binary .Stars . . . . . . . . . . . . Binary .(Double) .stars .are .pairs .of .stars .that, .because .of .their .mutual .gravitational .

attraction, .orbit .around .a .common .center .of .mass. .If .a .group .of .three .or .more .
stars .revolve .around .one .another, .it .is .called .a .multiple .system. .It .is .believed .
that .approximately .50 .percent .of .all .stars .belong .to .binary .or .multiple .systems. .
Systems .with .individual .components .that .can .be .seen .separately .by .a .telescope .
are . called . visual . binaries . or . visual . multiples. . The . nearest . “star” . to . our . solar .
system, .Alpha .Centauri, .is .actually .our .nearest .example .of .a .multiple .star .system, .
it .consists .of .three .stars, .two .very .similar .to .our .Sun .and .one .dim, .small, .red .star .
orbiting .around .one .another. .

Celestial .Equator .. . . . . . . . The .projection .of .the .Earth’s .equator .on .to .the .celestial .sphere. .It .divides .the .sky .

into .two .equal .hemispheres. .

Celestial .pole. . . . . . . . . . . The .imaginary .projection .of .Earth’s .rotational .axis .north .or .south .pole .onto .the .

celestial .sphere. .

Celestial .Sphere . .. . . . . . . . An .imaginary .sphere .surrounding .the .Earth, .concentric .with .the .Earth’s .center. .
Collimation .. . . . . . . . . . . . The .act .of .putting .a .telescope’s .optics .into .perfect .alignment. .

Declination .(DEC) . . . . . . . . The .angular .distance .of .a .celestial .body .north .or .south .of .the .celestial .equator. .

It .may .be .said .to .correspond .to .latitude .on .the .surface .of .the .Earth. .

Ecliptic . . . . . . . . . . . . . . . . The . projection . of . the . Earth’s . orbit . on . to . the . celestial . sphere. . It . may . also . be .

defined .as .“the .apparent .yearly .path .of .the .Sun .against .the .stars”. .

Equatorial .mount . . . . . . . . . A . telescope . mounting . in . which . the . instrument . is . set . upon . an . axis . which . is .

parallel . to . the . axis . of . the . Earth; . the . angle . of . the . axis . must . be . equal . to . the .
observer’s .latitude. . .

A

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Содержание LightChariot 102AR-AZ

Страница 1: ...LightChariot INSTRUCTION MANUAL 8 0AR A Z 10 2 AR A Z 13 0 N A Z...

Страница 2: ...w w w s k y w a t c h e r u s a c o m...

Страница 3: ...ure 16 Alignment Procedure 16 Astro Tri Align 17 Auto Two Star Align 19 Two Star Alignment 19 One Star Align 20 Solar System Align 21 SynScan Re Alignment 21 Object Catalog 22 Selecting an Object 22 S...

Страница 4: ...y Observing Hints 32 Observing the Sun 32 Solar Observing Hints 33 Observing Deep Sky Objects 33 Seeing Conditions 33 Transparency 33 Sky Illumination 33 Seeing 34 TELESCOPE MAINTENANCE 35 Care and Cl...

Страница 5: ...h this manual before embarking on your journey through the Universe It may take a few observing sessions to become familiar with your LightChariot so you should keep this manual handy until you have f...

Страница 6: ...C O P E 1 Eyepiece 2 RedDot Finderscope 3 Optical Tube 4 80mm Objective Lens inside 5 Dew Shield 6 910mm Optical Focal Length 7 Mount 8 Battery Pack 9 Accessory Tray 10 Aluminum Tripod 11 SynScan Comp...

Страница 7: ...C O P E 1 Eyepiece 2 RedDot Finderscope 3 Optical Tube 4 102mm Objective Lens inside 5 Dew Shield 6 600mm Optical Focal Length 7 Mount 8 Battery Pack 9 Accessory Tray 10 Aluminum Tripod 11 SynScan Com...

Страница 8: ...C O P E 1 Secondary Mirror 2 RedDot Finderscope 3 Eyepiece 4 1 25 Focuser 5 Optical Tube 6 130mm Primary Mirror inside 7 650mm Optical Focal Length 8 Accessory Tray 9 Aluminum Tripod 10 SynScan Compu...

Страница 9: ...tended 2 Locate the accessory tray and place it on top of the tripod center support brace in between the tripod legs FIG 1 3 Insert the locking bolt from underneath the tripod support brace and thread...

Страница 10: ...fork arm and place the fork arm base inside the tripod mounting platform 2 Thread the coupling screw into the hole at the bottom of the fork arm base and hand tighten FIG 3 Attaching the Telescope Tu...

Страница 11: ...he thumbscrew on the eyepiece adapter until the diagonal rotates freely Rotate the diagonal to the desired position and tighten the thumbscrew The Eyepiece The eyepiece or ocular is the optical elemen...

Страница 12: ...ntil the image is sharp Once sharp turn the knob towards you to focus on an object that is closer than the one you are currently observing Turn the knob away from you to focus on a more distant object...

Страница 13: ...urn on the RedDot Finderscope rotate the variable brightness control clockwise until you here a click To increase the brightness level of the red dot continue rotating the control knob about 180 until...

Страница 14: ...ss of power the optical tube can be moved by hand However when powered on the telescope should always be controlled via the hand control The LightChariot will lose its star alignment if moved by hand...

Страница 15: ...n their type and or common name Named Stars Common name listing of the brightest stars in the sky Named Objects Alphabetical listing of over 50 of the most popular deep sky objects Double Stars Alphab...

Страница 16: ...as adjusting the telescopes slew limits and backlash compensation Alignment Procedure In order for the LightChariot to accurately point to objects in the sky it must first be aligned with two known p...

Страница 17: ...y section of the manual To begin Astro Tri Align 1 Power on the LightChariot by plugging the battery pack into the outlet on the base of the fork arm 2 Press ENTER to choose Astro Tri Align Pressing t...

Страница 18: ...he motors after each alignment step The SynScan automatically selects the best slewing rate for aligning objects in both the finderscope and the eyepiece 6 For the second alignment object choose a bri...

Страница 19: ...croll through the information Press ENTER to accept the current information or press UNDO to manually edit the information see Astro Tri Align section for detailed instruction on entering time site in...

Страница 20: ...should hear the tracking motors turn on and begin to track One Star Align One Star Align requires you to input all the same information as you would for the Two Star Align procedure However instead of...

Страница 21: ...played in any of the hand control s customer object lists unless it is enabled from the Utilities Menu To allow the Sun to be displayed on the hand control do the following 1 Press the UNDO button unt...

Страница 22: ...e following categories Named Stars Named Object Double Stars Variable Stars and Asterisms Selecting any one of these options will display an alpha numeric listing of the objects under that list Pressi...

Страница 23: ...To locate the planets press the PLANET key on the hand control The hand control will display all solar system objects that are above the horizon Use the Up and Down keys to select the planet that you...

Страница 24: ...speed to the maximum slew rate When using the Up and Down buttons on the SynScan for LightChariot 80 102 or 130 the slower slew rates 6 and lower move the motors in the opposite direction than the fas...

Страница 25: ...ts can be daytime land objects or an interesting celestial object that you discover that is not included in the regular database There are several ways to save an object to memory depending on what ty...

Страница 26: ...y Identify Mode can be used to find other celestial objects that are close to the objects you are currently observing For example if your telescope is pointed at the brightest star in the constellatio...

Страница 27: ...ects that are known to be above the horizon when you are observing You can customize the object database by selecting altitude limits that are appropriate for your location and situation For example i...

Страница 28: ...ion for long periods of time To place your telescope in Hibernate mode 1 Select Hibernate from the Utility Menu 2 Move the telescope to a desire position and press ENTER 3 Power off the telescope Reme...

Страница 29: ...O LAND OBJ GET RA DEC GOTO RA DEC IDENTIFY SELECT CATALOG Saved Site ENTER if OK UNDO to Edit ASTRO TRI ALIGN Center Alignment Object 1 Center Alignment Object 2 Center Alignment Object 3 Saved Site E...

Страница 30: ...raight through with the eyepiece inserted directly into the telescope the image will be inverted When observing through the LightChariot 130 a reflecting telescope the image will appear up side down w...

Страница 31: ...tiply by 52 5 Continuing with our example multiply the angular field 1 4 by 52 5 This produces a linear field width of 73 5 feet at a distance of one thousand yards The apparent field of each eyepiece...

Страница 32: ...or polarizing filter will reduce overall surface brightness and glare Observing the Planets Other fascinating targets include the five naked eye planets You can see Venus go through its lunar like pha...

Страница 33: ...e making them difficult if not impossible to observe Light Pollution Reduction filters help reduce the background sky brightness thus increasing contrast Seeing Conditions Viewing conditions affect wh...

Страница 34: ...nces vary from time to time and place to place The size of the air parcels compared to your aperture determines the seeing quality Under good seeing conditions fine detail is visible on the brighter p...

Страница 35: ...h soap diluted with water a couple of drops per one quart of water can be used To minimize the need to clean your telescope replace all lens covers once you have finished using it This will prevent co...

Страница 36: ...the reflected image of your eye in the secondary mirror is centered in the primary mirror Once the telescope is collimated tighten the Phillips head screws until you feel a slight resistance Do not ov...

Страница 37: ...ifications Mechanical Specifications Software Specifications Input Voltage 12 V DC Nominal Batteries Required 8 AA Alkaline Power Supply Requirements 12 VDC 750 mA Tip positive Motor Type Resolution D...

Страница 38: ...ecules in a planet s upper atmosphere Azimuth The angular distance of an object eastwards along the horizon measured from due north between the astronomical meridian the vertical line passing through...

Страница 39: ...n starts from your Southern horizon and passes directly overhead to the North celestial pole Messier A French astronomer in the late 1700 s who was primarily looking for comets Comets are hazy diffuse...

Страница 40: ...the Earth is rotating Telescope tracking motors drive the telescope at this rate The rate is 15 arc seconds per second or 15 degrees per hour Terminator The boundary line between the light and dark p...

Страница 41: ...ing NSOL to control your telescope refer to the instructions sheet that came with the CD and the help files located on the disk In addition to NSOL the telescope can be controlled using other popular...

Страница 42: ...42 APPENDIX D STANDARD TIME ZONES OF THE WORLD 26 APPENDIX A STANDARD TIME ZONES OF THE WORLD...

Страница 43: ...43 JANUARY FEBRUARY SKY MAP...

Страница 44: ...44 MARCH APRIL SKY MAP...

Страница 45: ...45 MAY JUNE SKY MAP...

Страница 46: ...46 JULY AUGUST SKY MAP...

Страница 47: ...47 SEPTEMBER OCTOBER SKY MAP...

Страница 48: ...48 NOVEMBER DECEMBER SKY MAP...

Страница 49: ...49 NOTES...

Страница 50: ...50 NOTES...

Страница 51: ...w w w s k y w a t c h e r u s a c o m...

Страница 52: ...reserved Products or instructions may change without notice or obligation This device complies with Part 15 of the FCC Rule Operation is subject to the following two conditions 1 This device may not...

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