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How to Observe the Sun Safely, Second Edition gives all the basic information and advice the amateur astronomer needs to get started in observing our own ever-fascinating star. Unlike many other astronomical objects, you do not need a large telescope or expensive equipment to observe the Sun. And it is possible to take excellent pictures of the Sun with today's low-cost digital cameras! This book surveys what is visible on the Sun and then describes how to record solar features and measure solar activity levels. There is also an account of how to use H-alpha and Calcium-K filters to observe and record prominences and other features of the solar chromosphere, the Sun's inner atmosphere. Because we are just entering a period of high activity on the Sun, following a long, quiet period, this is a great time to get involved with solar observing. Still emphasizing safety first, this Second Edition reflects recent and exciting advances in solar observing equipment. Chapters 6 through 8 have been completely revised to allow amateur astronomers to compare observing the Sun using digital vs. film cameras and all the latest advances in image processing. Finally, this new edition also includes more than twice as many illustrations as the first, almost half of them new images.

Sun -- Observers' manuals. --- Sun. --- Astronomy. --- Sun --- Physics. --- Observations, Astronomical. --- Astronomy --- Astrophysics. --- Astronomy, Observations and Techniques. --- Popular Science in Astronomy. --- Astrophysics and Astroparticles. --- Observations. --- Physical sciences --- Space sciences --- Solar system --- Astronomy—Observations. --- Astronomical physics --- Cosmic physics --- Physics --- Astronomical observations --- Observations, Astronomical

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The Star Atlas Companion is the ideal companion to any star atlas, as it is the first book to provide a true perspective on the characteristics and distances of over 1,100 stars and their movement through space. With the aid of scale diagrams, the reader can grasp difficult-to-understand concepts such as how far apart stars really are, their relative sizes, how fast they spin and their shapes, and how the constellation patterns change over time. This book: - describes many stars visible to the naked eye in both the northern and southern hemispheres; - explains binary and multiple star systems in detail; - gives the properties of many open clusters; - enables a true appreciation of the scale of our galactic neighborhood.

Constellations -- Charts, diagrams, etc. --- Constellations -- Observers' manuals. --- Constellations --- Stars --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Astronomy - General --- Astronomical Observatories & Instruments --- Constellations. --- Astronomy --- Atlases, Astronomical --- Physics. --- Observations, Astronomical. --- Astronomy. --- Astronomy, Observations and Techniques. --- Popular Science in Astronomy. --- Observations. --- Sky --- Astronomy—Observations. --- Astronomical observations --- Observations, Astronomical

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This popular title is now back, bigger and better than before! In this companion guide to stars, star systems, galaxies, and other deep sky sights you can choose a class of object and set up an annual program for yourself that will take you from month to month, helping you locate famous targets or, if you prefer, hunting down the lesser known but still dazzling sky sights. Detailed descriptive summaries of each class of object are followed by extensive lists of deep-sky targets, presented in a monthly format and going from those objects easy to locate to those that are more of a challenge. Amateur astronomers of all levels will find this book invaluable for its broad-ranging background material, for its comprehensive lists of fascinating objects, and for its power to improve your observing skills.

Astronomy -- Observers' manuals. --- Astronomy. --- Astronomy --- Stars --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Astronomy - General --- Astronomical Observatories & Instruments --- Physics. --- Observations, Astronomical. --- Astrophysics. --- Astronomy, Observations and Techniques. --- Astrophysics and Astroparticles. --- Observations. --- Astronomical observations --- Observations, Astronomical --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Astronomical physics --- Cosmic physics --- Physics --- Astronomy—Observations.

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Information collected by satellites recently sent by the USA, the European Space Agency, Japan, Germany, the United Kingdom, and Russia to monitor the Sun has changed our knowledge and understanding of the Sun, particularly its effect on Earth. This book presents these findings in a way that will be welcomed by amateur astronomers, students, educators and anyone interested in the Sun. Enhanced by many colour photographs, the book combines newly acquired scientific understanding with detailed descriptions of features visible on the Sun’s surface and in its atmosphere. In the past, observing the Sun has been left to academics with specialised instruments, since solar observation has been unsafe because of the risk of eye damage.  This book explains how amateur astronomers can safely observe the various solar phenomena using special hydrogen-alpha telescopes that are not too expensive. Amateurs can now make a positive contribution to science by monitoring the Sun as professionals do.  Amateurs can also access the solar images taken by satellites via the internet. This book helps readers interpret and understand what these images are showing about the Sun, including the latest 3D images. Solar observers will enjoy comparing their own solar telescope observations with those produced by space probes such as SDO, SOHO, Hinode and STEREO, and further enjoy learning about transits, eclipses, and space weather and how the Sun compares to other stars in the universe.