* Titel: Visually Observing Comets
* Författare: David A. J. Seargent
* Språk: Engelska
* Utgiven: 2017
* Format: Häftad
* ISBN: 9781316639931
* Includes suggestions for observing periodic comets in addition to finding new comets
* Small trim size and to-the-point text make this ideal for use as an on-the-go-reference
* Explains the possibilities for an amateur observer to make a significant contribution to planetary science through comet-spotting In these days of computers and CCD cameras, visual comet observers can still contribute scientifically useful data with the help of this handy reference for use in the field. Comets are one of the principal areas for productive pro-amateur collaboration in astronomy, but finding comets requires a different approach than the observing of more predictable targets. Principally directed toward amateur astronomers who prefer visual observing or who are interested in discovering a new comet or visually monitoring the behavior of known comets, it includes all the advice needed to thrive as a comet observer.
After presenting a brief overview of the nature of comets and how we came to the modern understanding of comets, this book details the various types of observations that can usefully be carried out at the eyepiece of a telescope. Subjects range from how to search for new comets to visually estimating the brightness of comets and the length and orientation of tails, in addition to what to look for in comet heads and tails.
Details are also given of 20 periodic comets, predicted to return between the years 2017 and 2027, that are expected to become suitable targets for visual observing, in addition to information on a famous comet potentially visible each year and subject to great outbursts of brightness.
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