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Astronomical Spectroscopy for Amateurs
Astronomical Spectroscopy for Amateurs is a complete guide for amateur astronomers who are looking for a new challenge. After a brief overview of the development of spectroscopes and an introduction to the theory of stellar spectra, the book goes on to examine the various types of spectroscopes available to amateurs. Next, practical sections address all aspects of setting-up and using various types of commercially-available and home-built spectroscopes. A final part gives detailed instructions for the design and construction of three different spectroscopes, along with the necessary design theory (minimal math). The home-made spectroscopes have performance capabilities near or equal to commercial units but are constructed using basic hand tools for a fraction of the cost! This up-to-date practical spectroscopy book will enable amateur astronomers to develop the skills and equipment needed to prepare scientifically acceptable spectra data, and to make a valuable contribution to ProAm projects.
Popular Perceptions of Soviet Politics in the 1920s
This is the first study of popular opinions in Soviet society in the 1920s. These voices which made the Russian revolution characterize reactions to mobilization politics: patriotic militarizing campaigns, the tenth anniversary of the revolution and state attempts to unite the nation around a new Soviet identity.
Settling the World
Throughout his career, M. John Harrison’s writing has defied categorisation, building worlds both unreal and all-too real, overlapping and interlocking with each other. His stories are replete with fissures and portals into parallel dimensions, unidentified countries and lost lands. But more important than the places they point to are the obsessions that drive the people who so believe in them, characters who spend their lives hunting for, and haunted by, clues and maps that speak to the possibility of somewhere else. This selection of stories, drawn from over 50 years of writing, bears witness to that desire for difference: whether following backstreet occultists, amateur philosophers, down-and-outs or refugees, we see our relationship with ‘the other’ in microscopic detail, and share in Harrison’s rejection of the idea that the world, or our understanding of it, could ever be settled.
Practical Astronomy
A guide to practical astronomy for skywatchers of all ages, covering the celestial sphere, sun and sundials, star positions, star maps, planispheres, nomograms, light and basic optics, calculations, and more.
The Cosmos
An exciting introduction to astronomy, using recent discoveries and stunning photography to inspire non-science majors about the Universe and science.
Final Supplement to the Environmental Impact Statement for an Amendment to the Pacific Northwest Regional Guide: Appendices
Siskiyou County Library has vol. 1 only.
Imaging Sunlight Using a Digital Spectroheliograph
Ken M. Harrison's latest book is a complete guide for amateur astronomers who want to obtain detailed narrowband images of the Sun using a digital spectroheliograph (SHG). The SHG allows the safe imaging of the Sun without the expense of commercial ‘etalon’ solar filters. As the supporting software continues to be refined, the use of the digital spectroheliograph will become more and more mainstream and has the potential to replace the expensive solar filters currently in use. The early chapters briefly explain the concept of the SHG and how it can produce an image from the solar spectrum. A comparison of the currently available narrow band solar filters is followed by a detailed analysi...
