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Summary of Contents for 9621801

Page 1: ...Instruction manual Space Explorer 90 900 EQ Refracting telescope Art No 9621801 ...

Page 2: ...E F G 1 1 j 1 1 1 1 1 h B c Fig 1 http www bresser de download 9621801 Downloads Astronomy software Moon map Instruction manual 1 Fig 4 Fig 3 1 1 1 1 1 j Fig 1a Z W X 1 2 1 Fig 2 F Y ...

Page 3: ... 3 ON OFF 2 1 0 Fig 13 Y ON OFF 2 1 0 Fig 5 X Fig 9 X Fig 8 Fig 14 I II Fig 11 E ON OFF 2 1 0 Fig 7 4 8 8 ON OFF 2 1 0 ON 2 1 Fig 10 X Y Fig 6 1 1 X Y X Fig15 B L E J H a b F C D K G A I Fig 12 X X ...

Page 4: ... 4 Fig 16 Fig 17 Fig 19 Fig 18 Fig 20 Fig 25 Fig 28 X Y X Fig 22 J C X Fig 29 X Fig 27 Fig 26 Fig 23 Z 2 H G X ...

Page 5: ...Orion Nebula M 42 Ring Nebula in the constellation Lyra M 57 Dumbbell Nebula in the constellation Little Vixen lat Vulpecula M 27 f 20 mm Fig 30 31 Fig 31 32 Fig 32 33 Fig 33 34 f 4 mm Possible observation objects ...

Page 6: ... with locking screw I Fixing screw of the right ascension axis J Right ascension axis scale K Fine adjustment of the right ascension axis L Fixing screw for horizontal alignment M Bracket for optional tracking motor N Clutch for disengaging the engine O Transmission gear for tracking motor TIP The right ascension axis Fig 16 green line is also called the hour axis The declination axis Fig 16 blue ...

Page 7: ...t observing Your telescope has a so called parallactic mount also equatorial mount This is characterized by two axes that can be rotated perpendicular to each other Fig15 a b The so called right ascension axis also RA or hour axis Fig 15 b must be alig ned parallel to the polar axis of the earth Fig 25 c For the correct setting of the pole height see Part II 4 Handling Adjusting the telescope The ...

Page 8: ...elestial equator Fig 25 d measured in angular degrees For stars north of the celestial equator the degree becomes positive If the star is south of the equator the degree is marked with a minus sign Right ascension Fig 22 J is a distance of a star from the vernal equinox measured on the celestial equator The vernal equinox is the point of intersection of the celestial equator with the apparent orbi...

Page 9: ...ready be seen well in reasonably good weather conditions at low magnifications 2 Troubleshooting Mistakes Solution No image Remove dust cap from tube opening Select eyepiece with lower magnification high er focal length Blurred picture Focusing with the focus wheel No focusing possible Wait for temperature equalisation approx 30 minutes Bad picture Never watch through a pane of glass Observation o...

Page 10: ...r fr Téléphone 00 800 6343 7000 BRESSER France SARL Pôle d Activités de Nicopolis 314 Avenue des Chênes Verts 83170 Brignoles France Prix d un appel local depuis la France ou Belgique NL BE Als u met betrekking tot het product vragen of eventuele klachten heeft kunt u contact opnemen met het service centrum bij voorkeur per e mail E Mail info bresserbenelux nl Telefoon 31528232476 BRESSER Benelux ...

Page 11: ... 11 Notes ...

Page 12: ...Bresser GmbH 46414 Rhede Germany No part of this manual may be reproduced transmitted transcribed or translated into any langua ge in any form without the written permission of Bresser GmbH Errors and technical changes reserved Manual_9621801_SpaceExplorer 90 900 EQ_en_BRESSER_v012022a ...

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