Meade Autostar Manuel d'instructions Page 48
- Page / 60
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
48
SPECIFICATIONS
Specifications:
ETX-90AT Astro Telescope
Optical design . . . . . . . . . . . . . . . . . . . . Maksutov-Cassegrain
Primary mirror diameter . . . . . . . . . . . . . . . . . . . 96mm (3.78”)
Clear aperture. . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mm (3.5”)
Focal length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250mm
Focal ratio (photographic speed). . . . . . . . . . . . . . . . . . . f/13.8
Near focus (approx) . . . . . . . . . . . . . . . . . . . . . . 11.5 ft (3.5m)
Resolving power . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 arc secs
Super multi-coatings (EMC) . . . . . . . . . . . . . . . . . . . . standard
Limiting visual stellar magnitude (approx.) . . . . . . . . . . . . 11.7
Image scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.16°/inch
Maximum practical visual power . . . . . . . . . . . . . . . . . . . 325X
Optical tube dimensions
(dia. x length) . . . . . . . . . . . 10.4cm x 27.9cm (4.1” x 11”)
Viewfinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 x 21mm
Secondary mirror obstruction (dia.; %) . . 27.9mm (1.1”); 9.6%
Telescope mounting . . . . . . . . . . . . . . . . fork type; double tine
Setting circle diameters . . . . . . . . . . . . . . . Dec.: 3.5”; R.A.: 7”
Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volts DC
Motor Drive System DC servo motors
with encoders, both axes
Bearings:
Altitude. . . . . . . . . . . . . . . . . . . . . . . UHMW polyethylene
Azimuth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PTFE
Materials:
Tube body. . . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum
Mounting . . . . . . high-impact ABS, aluminum-reinforced
Primary mirror. . . . . . . . . . . . . . . . . . . . . . . . Pyrex
®
glass
Correcting lens . . . . . . . . . . . BK7 optical glass, Grade-A
Telescope dimensions:
. . . . . . . . . . . . . . . . 38cm x 18cm x 22cm (15” x 7” x 9”)
Telescope net weight:
(incl. Autostar & batteries) . . . . . . . . . . . . 3.5kg (7.8 lbs)
Telescope shipping weight. . . . . . . . . . . . . . . . 5.8kg (12.8 lbs)
Battery Life (approx.):
with Autostar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 hrs
Specifications:
ETX-105AT Astro Telescope
Optical design . . . . . . . . . . . . . . . . . . . . Maksutov-Cassegrain
Primary mirror diameter . . . . . . . . . . . . . . . . . . 116mm (4.56”)
Clear aperture. . . . . . . . . . . . . . . . . . . . . . . . . . 105mm (4.13”)
Focal length . . . . . . . . . . . . . . . . . . . . . . . . . . 1470mm (57.8”)
Focal ratio (photographic speed) . . . . . . . . . . . . . . . . . . . . f/14
Near focus (approx) . . . . . . . . . . . . . . . . . . . . . . . . 4.6m (15 ft)
Resolving power . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 arc secs
Super multi-coatings (EMC) . . . . . . . . . . . . . . . . . . . . standard
Limiting visual stellar magnitude (approx.) . . . . . . . . . . . . 12.1
Image scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.99°/inch
Maximum practical visual power. . . . . . . . . . . . . . . . . . . . 420x
Optical tube dimensions
(dia. x length) . . . . . . . . 12.4cm x 32.8cm (4.88” x 12.9”)
Viewfinder. . . . . . . . . . . . . . . . . . . . . . . . 8 x 25mm right-angle
Secondary mirror obstruction (dia.; %). . . 3.3cm (1.32”); 9.4%
Telescope mounting . . . . . . . . . . . . . . . . fork type; double tine
Setting circle diameters . . . . . . . . . . . . . Dec.: 3.81”; R.A.: 7.8”
Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volts DC
Motor Drive System . . . DC servo motors with encoders, both axes
- Instruction Manual 1
- CONTENTS 3
- QUICK-START GUIDE 4
- TELESCOPE FEATURES 6
- B Want to learn more 7
- G Want to learn more 7
- 1* Want to learn more about 8
- 1( Note: The dust cap 8
- ETX TIPS 11
- GETTING STARTED 12
- Choosing an Eyepiece 15
- OBSERVING 16
- Slew Speeds 17
- Astronomical Observing 17
- Observe the Moon 17
- Easy (Two-Star) Align 18
- Initializing Autostar 18
- Go To Saturn 20
- Using the Guided Tour 21
- Star Charts 21
- AUTOSTAR OPERATION 22
- Look into the Future 23
- Entering data into Autostar 23
- Navigating Autostar 23
- AUTOSTAR's MENUS 24
- Object Menu 25
- Event Menu 26
- Glossary Menu 26
- Utilities Menu 27
- Setup Menu 28
- Table 1: Time Zone Shift 29
- Calculations are for standard 29
- Surf the Web 30
- ADVANCED AUTOSTAR 31
- OPERATION 31
- Observing Satellites 32
- PHOTOGRAPHY WITH 33
- MEADE’S AUTOSTAR SUITE 33
- OPTIONAL ACCESSORIES 33
- Landmarks 36
- Identify 37
- Advanced Alt/Az Alignment 38
- Observing Considerations 39
- PHOTOGRAPHY 40
- Fig. 32: The Lunar 42
- Planetary Imager 42
- MAINTENANCE 45
- TRIPOD, page 12) 46
- TELESCOPE 46
- SPECIFICATIONS 48
- APPENDIX A: EQUATORIAL 51
- (POLAR) ALIGNMENT 51
- Fig. 50: Section of 54
- Declination setting circle 54
- Fig. 51: Section of Right 54
- Ascension setting circle 54
- APPENDIX B: LATITUDE CHART 55
- Further Study 56
- APPENDIX D:BASIC 57
- ASTRONOMY 57
- MEADE LIMITED WARRANTY 60
Produits connexes et manuels pour Télescopes Meade Autostar
Télescopes Meade LX90 Manuel d'instructions
(60 pages)
(60 pages)
Télescopes Meade LX80 Manuel d'instructions
(72 pages)
(72 pages)
Télescopes Meade LNT Manuel d'instructions
(60 pages)
(60 pages)
© 2020, manymanuals.fr. Tous droits réservés | 0.065 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Commentaires sur ces manuels