By Jeff Kanipe
In case you have ever watched capturing stars graze the sky or puzzled a few really vivid element of sunshine close to the horizon, then this is often the booklet for you. A Skywatcher's yr is the authoritative consultant to obvious our bodies within the evening sky all year long. via fifty-two essays, Jeff Kanipe courses you to celestial occasions and phenomena that ensue or are seen with the bare eye and binoculars for every week of the yr. He acquaints you not just with up to date astronomical info on stars, nebulae, meteors, the Milky approach, and galaxies, but additionally conveys the wonder and sweetness of the evening sky. overlaying either the Northern Hemisphere and Southern Hemisphere, A Skywatcher's 12 months is helping readers locate well-liked stars and constellations, shiny megastar clusters, nebulae, and galaxies, and explains how and whilst to watch in demand annual meteor showers. Kanipe additionally examines the main frequently-observed celestial physique, the Moon, and the fascinating lore surrounding it. A wealthy and jargon-free examine the sky throughout the 4 seasons, this attractive e-book will provide new dimensions to yard star-gazing.
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Additional info for A Skywatcher's Year
Consequently, you don’t often see much written in the popular vein about Canopus, despite its being the secondbrightest star in the night sky. Not so in the Southern Hemisphere, where Canopus is circumpolar at south latitudes greater than 35° S. According to star-name authority and etymologist Richard Hinkley Allen, Canopus represents the helmsman of the ship Argo Navis, the vessel that carried Jason and his Argonauts in their mythic search for the golden ﬂeece, and which was once a constellation unto itself.
Problem is, they’re too faint to be seen with the naked eye. The brightest is about magnitude 7, the others fainter still. So how do you ﬁnd true south without a bright stellar beacon to guide you? This time of year, Crux, the Southern Cross, is high in the evening sky in the southeast. By using the longest axis of the cross – marked by 46 Spring Finding celestial south using Crux the Southern Cross. , from 33° 33°S. S. CRUX CARINA Canopus Meridian MUSCA CHAMAELEON Celestial South APUS Octantis OCTANS South the stars Gamma and Alpha Crucis – as both pointer and measuring stick, you can hop your way to the south celestial pole.
For those at latitude 40° N, the Sun would be 40° south of their zenith (or at an altitude of 50°) the ﬁrst day of spring. The Sun will continue its northward trek until June 21, when it reaches its greatest northern extent ‘above’ the celestial equator. 3° N, a location known as the Tropic of Cancer, and the northernmost boundary of the Torrid Zone. 3° or about 10° south of your zenith on the ﬁrst day of summer (at an altitude of 80°). From latitude 40° N it will be about 17° south of the zenith (altitude 73°).
A Skywatcher's Year by Jeff Kanipe