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Bresser AR-102, Руководство по эксплуатации

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Bresser AR-102 Скачать руководство пользователя страница 29

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Looking at or near the Sun will cause instant and irreversible damage to your eye!

29

UNITED STATES OF AMERICA

City 

Country Latitude

Albuquerque 

New Mexico 

35° N

Anchorage 

Alaska 

61° N

Atlanta 

Georgia 

34° N

Boston 

Massachusetts 

42° N

Chicago 

Illinois 

42° N

Cleveland 

Ohio 

41° N

Dallas 

Texas 

33° N

Denver 

Colorado 

40° N

Detroit 

Michigan 

42° N

Honolulu 

Hawaii 

21° N

Jackson 

Mississippi 

32° N

Kansas City 

Missouri 

39° N

Las Vegas 

Nevada 

36° N

Little Rock 

Arkansas 

35° N

Los Angeles 

Kalifornien 

34° N

Miami 

Florida 

26° N

Milwaukee 

Wisconsin 

46° N

Nashville 

Tennessee 

36° N

New Orleans 

Louisiana 

30° N

New York 

New York 

41° N

Oklahoma City 

Oklahoma 

35° N

Philadelphia 

Pennsylvania 

40° N

Phoenix 

Arizona 

33° N

Portland 

Oregon 

46° N

Richmond 

Virginia 

37° N

Salt Lake City 

Utah 

41° N

San Antonio 

Texas 

29° N

San Diego 

Kalifornien 

33° N

San Francisco 

Kalifornien 

38° N

Seattle 

Washington 

47° N

Washington 

District of Columbia 

39° N

Wichita 

Kansas 

38° N

SOUTH AMERICA

City 

Country Latitude

Asuncion 

Paraguay 

 25°  S

Brasilia 

Brasil 

 24° S

Buenos Aires 

Argentinia 

 35° S

Montevideo 

Uruguay 

 35°  S

Santiago 

Chile 

 34°  S

ASIA

City 

Country Latitude

Peking 

China 

 40°  N

Seoul 

South Korea 

 37° N

Taipei 

Taiwan 

 25°  N

Tokio 

Japan 

 36° N

Victoria 

Hongkong 

 23° N

AFRICA

City 

Country Latitude

Kairo 

Egypt 

 30°  N

Cape city 

South Africa 

 34° S

Rabat 

Marocco 

 34°  N

Tunis 

Tunesia 

 37°  N

Windhoek 

Namibia 

 23°  S

Содержание AR-102

Страница 1: ...Operating Instructions AR 90 AR 102 AR 127S L AR 152S L NT 130 NT 150S L NT 203...

Страница 2: ...g 1a The Messier series telescope including a viewfinder Optical Assembly Newtonian model shown AR Achromatic Refractor NT Newton Reflectortelescope Technical Data Page 23 Fig 1c The Exos2 Tripod 3 3...

Страница 3: ...nts See page 5 ff 2 3 3 3 3 WARNING Never use a Messier Series Telescope to look at the Sun Looking at or near the Sun will cause instant and irreversible damage to your eye Eye damage is often painle...

Страница 4: ...mble Your Telescope 8 Assembling Exos 2 Telescope Assembly 11 How to Assemble Your Telescope 11 First Steps Balancing the Telescope 13 Aligning the Viewfinder 14 Choosing an Eyepiece 16 Observation 17...

Страница 5: ...sighting scope with reticle that enables easy centering of objects in the telescope eyepiece 5 Viewfinder Collimation Screws Use these screws to adjust the alignment of the viewfinder 6 Viewfinder Fr...

Страница 6: ...nt of the telescope when centering Polaris in the telescope eyepiece or when using the polar alignment viewfinder 28 Latitude Dial Set the latitude of the observing site on this dial using the latitud...

Страница 7: ...tes for almost any topic relating to astronomy on the inter net Try the following key word searches NASA Hubble HST astronomy Messier satellite nebula black hole variable stars etc Check out Bresser s...

Страница 8: ...the components from the packaging and familiarise yourself with them Please refer to illustrations 1a to 1d for details of telescope assembly When removing the tripod from its packaging keep it paral...

Страница 9: ...T handle screws in order to move the mount until the pointer points to your latitude The two T handle screws EXOS 2 only work in a push pull operation as you tighten one loosen the other When the poi...

Страница 10: ...prism s thumbscrews to a firm feel to secure the eyepiece 11 Adjust the height of the tripod Adjust the height of the tripod by loosening the tripod lock knobs Fig 11 Extend the sliding inner section...

Страница 11: ...ow insert the plate illustration 4 C from above on the central screw Make sure the plate bars illustra tion 4 D show downwards Caution It s important the following step is applied to prevent thread da...

Страница 12: ...roughly in the center of the cradle ring assembly Point the tube so that the front end this end comes shipped with the dust cover 9 Fig 1a over it is oriented as depicted in Fig 1a Then close the crad...

Страница 13: ...is Most of the motion of the telescope takes place by moving about these two axes separately or simultaneously Try to become familiar with these locks and observe how the telescope moves on each axis...

Страница 14: ...Tip Remove the viewfinder tube from the bracket to simplify this operation If the distant object is not in focus turn the focus lock ring counterclockwise to loosen the viewfinder front cell 6 Fig 1b...

Страница 15: ...t 3 How are the craters on our Moon formed Is there water under the surface of the Moon 4 What is a black hole A neutron star A gamma burster An Einstein lens 5 What are stars made of Why are stars di...

Страница 16: ...s The focal length of the 8 Messier series model is 900mm see Specifications page 23 24 Telescope Focal Length Eyepiece Focal Length Eyepiece Power Telescope Focal Length 1000mm Eyepiece Focal Length...

Страница 17: ...turning one of the knobs of the focusing mechanism 8 Fig 1b Notice that when observing astronomical objects the field of view begins to slowly drift across the eyepiece field This motion is caused by...

Страница 18: ...scope mount so that the pointer indicates the correct latitude of your viewing location on the latitude dial 28 Fig 1d See step 6 page 12 for more information 5 If steps 1 through 4 above were perform...

Страница 19: ...th a solution of 3 parts distilled water to 1 part isopropyl alcohol You may also add 1 drop of biodegradable dishwashing soap per pint of solution Use soft white facial tissues and make short gentle...

Страница 20: ...e primary mirror in equal amounts This offset is approximately 1 8 in each direction Note that these offsets have been performed at the factory prior to shipment of your telescope It is only necessary...

Страница 21: ...were done correctly you will see concentric centered with respect to each other circles 1 Fig 32 An improperly collimated instrument will reveal oblong or elongated circles 2 Fig 32 Adjust the 3 coll...

Страница 22: ...give complete error descriptions and specific information about the defective part The great majority of servicing issues can be resolved by telephone avoiding return of the telescope to the factory I...

Страница 23: ...al design achromatic refractor Clear aperture 5 127 mm Focal length 635 mm or 1200 mm Focal ratio f 5 or f 9 5 Resolving power 0 9 arc sec Coatings multi coated Mount EXOS2 Aluminium Gu German type eq...

Страница 24: ...Gu German type equatorial RA DEC drive system flexible shafts Max practical power 400x Tripod adjustable steel tube field tripod Net weight 25 1 kg AR 90 Achromatic Refractor with EXOS1 item number 47...

Страница 25: ...Pole intersects the celestial sphere The North Star Polaris is located very near the North Celestial Pole The celestial equator 2 Fig 34 is a projection of the Earth s equator onto the celestial sphe...

Страница 26: ...and reads in increments of 5min Using setting circles requires a developed technique When using the circles for the first time try hopping from one bright star the calibration star to another bright...

Страница 27: ...nthusiasts with whom you will be able to share your discoveries Clubs are an excellent way to learn more about observing the sky to find out where the best observing sites are and to compare notes abo...

Страница 28: ...ite is over 70 miles 110 km north of the listed city subtract one degree for every 70 miles If the site is over 70 miles South of the listed city add one degree per 70 miles EUROPE City Country Latitu...

Страница 29: ...New Orleans Louisiana 30 N New York New York 41 N Oklahoma City Oklahoma 35 N Philadelphia Pennsylvania 40 N Phoenix Arizona 33 N Portland Oregon 46 N Richmond Virginia 37 N Salt Lake City Utah 41 N...

Страница 30: ...the viewfinder s optical axis to the RA axis 1 Starting at the polar home position see p 18 loosen the Dec lock turn the Dec axis by 90 and re engage the Dec lock again In this position the optical ax...

Страница 31: ...g circle to 0 and tighten the screw again In normal operation this screw should be loose N 7 d Now loosen the RA lock and turn the RA axis until the actual date at the month match with the local time...

Страница 32: ...tem comes from observations made by amateur astronomers So as you look through your Bresser Messier Series telescope keep in mind Galileo To him a telescope was not merely a machine made of glass and...

Страница 33: ...n night changes as they circle around the giant planet Saturn is nine times the diameter of Earth and appears as a small round disk with rings extending out from either side Fig 44 In 1610 Galileo the...

Страница 34: ...which is part of the Ursa Major constellation It can be found the whole year through quite easily in Europe and Northern America If you draw a line on the sky which prolongs Big Dipper s handle back...

Страница 35: ...in our local group Fig 48 Messier Tipps Star Charts Star charts and planisphere are very useful tools and are great aids in plan ning a night of celestial viewing A wide variety of star charts are av...

Страница 36: ...Galaxy M31 Whirlpool Galaxy M51 Our sun 2 25 Mio light years 35 Mio light years Distances in space Fig 49 Moon Diameter 3 456 km Earth Diameter 12 664 km Distance between Planets The distance between...

Страница 37: ...will cause instant and irreversible damage to your eye 37 Appendix E Star maps S W O Fig 50 Sky view Beginning of January ca 22 h Facing south N O W Fig 50a Sky view in winter Beginning of January ca...

Страница 38: ...Appendix E Star maps 38 S W O Fig 51 Sky view in spring Beginning of April ca 22 h facing south N O W Abb 51a Sky view in spring Beginning of April ca 22 h facing north Spring...

Страница 39: ...Appendix E Star maps 39 Summer S W O Fig 52 Sky view in summer Beginning of July ca 22 h facing south N O W Fig 52a Sky view in summer Beginning of July ca 22 h facing north...

Страница 40: ...Appendix E Star maps 40 Autumn S W O Fig 53 Sky view in autumn Beginning of October ca 22 h facing south N O W Fig 53a Sky view in autumn Beginning of October ca 22 h facing north...

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Страница 44: ...lated into another language in any form without written permission of the Bresser GmbH Errors and technical changes excepted Bresser GmbH Gutenbergstra e 2 DE 46414 Rhede Telefon 0 28 72 80 74 0 servi...

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