Martin Mobberley

Astronomical Equipment for Amateurs (eBook, PDF)

• Format: PDF

Produktbeschreibung

This guide provides useful insight for first-time telescope buyers as well as experienced amateurs. It examines the advantages and disadvantages of different types of telescopes, mountings, and accessories-ranging from refractors and reflectors to computer controlled drives and CCD cameras. The author also covers observation techniques, photographic equipment, astronomical software, as well as equipment care and maintenance.

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Produktdetails

• Verlag: Springer London
• Seitenzahl: 266
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781447105831
• Artikelnr.: 44046249

Inhaltsangabe

1 Fundamentals for Beginners.- Using Low Magnification.- Using High Magnification.- Eyepiece Sizes.- 2 Refractors and Reflectors.- Achromatic Refractors.- Apochromatic Refractors.- Semi-Apochromatic Refractors.- Refractors or Reflectors?.- Newtonian Reflectors.- Long-Focus Newtonians.- Collimation.- Dobsonians.- Buying a Telescope.- Beginners' Telescopes.- Buyer Beware!.- High-Quality Refractors.- Apochromats for the Connoisseur.- Other Telescope Considerations.- 3 Catadioptrics, Cassegrains and Schmidt-Cassegrains.- Cassegrains.- Schmidt-Cassegrains.- Maksutovs.- Schiefspieglers.- 4 Binoculars.- Stands for Binoculars.- Image-Stabilised Binoculars.- 5 Eyepieces.- Magnification.- Practical Considerations.- Comet Seeking.- Focusing-Tube Diameter.- Real Field Limitations.- Popular Commercial Eyepieces.- High-Definition Eyepieces.- Barlow Lenses.- Eyepiece Projection.- Illuminated-Reticle Eyepieces.- Commercial Guiding Eyepieces.- 6 Telescope Mountings.- The Equatorial Mounting.- Commercial Telescope Mounting Systems.- Commercial Drive Systems.- Home-Made Drives and Unusual Mountings.- Electronic Drive Design.- Unusual Mountings.- Poncet Platforms.- Alt-azimuth Field De-Rotators.- 7 Accessories.- Finders.- Guide Telescopes.- Off-Axis Guiders.- Horses for Courses.- Photographic Equipment - Film versus CCD.- Undriven Astrophotography.- Simple Tracking.- Dew.- Film, Meteor-Photography Equipment and Wide-Field Camera Equipment.- Satellite Trails.- Medium-Format Cameras.- Fish-Eye Lenses.- Developing and Printing.- Developing Tanks.- Developing Colour Film.- Black-and-White Printing.- Cold Cameras and Film Hypersensitising.- Camera Interfaces.- Focusers.- Commercial Schmidt-Cassegrain Focusing.- Manual Guiding and Off-Axis Guiders.- Guiding for Comet Photography.- A CometMarathon.- Coma Correctors.- A Final Word on Focusers.- Filters.- Planetary Filters.- Deep Sky Filters.- Comet Filters.- Photographic Filters.- Photometric Filters for CCDs.- Schmidt Cameras and Astrographs.- 8 Electronic Imaging and the Electronics Revolution.- CCDs.- Buying a CCD Camera.- Starlight Xpress.- SBIG and Meade.- Auto-Slewing with a Schmidt-Cassegrain and a CCD Camera.- SBIG Autoguiding.- Other Manufacturers.- Using a CCD Camera.- Understanding and Processing the Digital Image.- A Dark Frame.- Background Brightness.- Flat-Field.- Diffraction Focusers.- Useful Processing Routines.- Unsharp Masking.- Deconvolution.- Median Filters.- Non-Linear Contrast-Stretch.- Image Formats.- Astrometry.- Photometry.- 9 Image Processing, Planetarium and Telescope Control Software.- QMips 1.81 by Christian Buil.- MIRA AL by Axiom.- Hidden Image by Sehgal.- CCD Astrometry.- Paintshop Pro.- Adobe Photoshop.- Printers and Scanners.- Planetarium Software.- Planetarium Telescope Control.- 10 Video Astronomy.- Image Intensifiers.- 11 Observatories.- The Simplest Solution.- Simple Observatories.- If It Can Go Wrong.- Observatory Domes.- 12 Equipment for Observing the Sun.- Eyepiece Projection.- Direct Solar Observation.- Observing in White Light.- Seeing.- Hydrogen-Alpha Equipment.- Viewing Eclipses.- 13 Star Atlases and Deep Sky Atlases.- Appendix 1 Dealers, Bibliography and URLs.- Equipment Suppliers.- Quality Binocular Mounting Suppliers.- Societies Worth Joining.- Internet URLs.- Books.- Appendix 2 Photographic and Visual Magnitude Limits.