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Astronomical Equipment for Amateurs
The Patrick Moore Practical Astronomy Series | Gerald R. Hubbell | Springer
It seems that you're in Germany. We have a dedicated site for Germany. Telescopes - refractors and reflectors - are the main items of equipment used by almost every amateur astronomer. The purpose of astronomical telescopes is to collect and focus more light than the human eye can, forming an image that can be viewed, photographed, or analysed. Astronomical Equipment for Amateurs makes buying and using both telescopes and their ancillary instruments easy for astronomers of all abilities.
Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye , binoculars , or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers make contributions in doing citizen science , such as by monitoring variable stars ,  double stars ,  sunspots ,  or occultations of stars by the Moon  or asteroids ,  or by discovering transient astronomical events , such as comets ,  galactic novae  or supernovae in other galaxies. Amateur astronomers do not use the field of astronomy as their primary source of income or support, and usually have no professional degree in astrophysics or advanced academic training in the subject.
Available Formats: Softcover eBook. Available Formats: Book with w. Zack, M.