Turn Left at Orion: A Hundred Night Sky Objects to See in a by Guy Consolmagno, Dan M. Davis PDF

By Guy Consolmagno, Dan M. Davis

ISBN-10: 0521153972

ISBN-13: 9780521153973

Publish 12 months note: First variation released 1989
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A terrific guidebook defined in Bookwatch as 'the domestic astronomer's "bible"', flip Left at Orion presents the entire details starting novice astronomers have to discover the Moon, the planets and a complete host of celestial items. huge layout diagrams convey those items precisely as they seem in a small telescope and for every item there's info at the present country of our astronomical wisdom.

Revised and updated, this re-creation encompasses a bankruptcy with ten new spreads describing fantastic deep sky gadgets noticeable from the southern hemisphere, and pointers on looking at the approaching transits of Venus. It additionally discusses Dobsonian telescopes, with tricks on utilizing own desktops and the web as aids for making plans an gazing consultation.

Also new to this variation are redrawn "Guidepost" figures before everything of every season bankruptcy that let readers to imagine a 3-dimensional view of the sky's dome; redesigned seasonal item layouts that offer extra space for the naked-eye charts; a brand new unfold on double stars close to Boötes has been additional to Spring, exchanging the "Shrinking Double" unfold; and a distinct "When and the place to Look" desk has been extra to the final web page, between different new beneficial properties. not like many courses to the evening sky, this booklet is particularly written for observers utilizing small telescopes.

Clear and straightforward to exploit, this attention-grabbing booklet will attract skywatchers of every age and backgrounds. No earlier wisdom of astronomy is required.

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Additional info for Turn Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope - and How to Find Them (4th Edition)

Example text

Apollo 15 Hadley • The spectacular 95 km crater Copernicus is just past sunrise and extremely conspicuous. Watch how a low spot in the sunward side of the rim allows light into the bowl of the crater, and see the central peak begin to appear, first as a point, then as a series of points of light, and finally as a merged object that casts its own shadow. Many secondary craters (made by chunks thrown up by the Copernicus impact) appear on the sunward plain next to Copernicus. • Follow the Apennines down to their southern end, where you will encounter the prominent 58 km crater Eratosthenes, between the Apennines and Copernicus.

A series of rilles, Rimae Plinius, run within the dark band along the southern shore of Serenitatis. They were presumably the collapsed lava tubes that brought this last bit of dark material to the surface of the Moon. Then, when the fresh impact of crater Dawes occurred, lighter colored rock from beneath this dark layer was splashed up on top of it, making the lighter apron around the crater. Approaching half Moon 31 • Across the northern part of Tranquilitatis runs a string of craters nearly buried under a series of volcanic flows, which produced a startling array of dorsa visible with the low Sun angle at this time.

If the libration makes Grimaldi an easy target, then you can try a rare treat. Look along the extreme limb of the Moon, south from the Grimaldi basin, for as many as three thin little dark strings paralleling the limb of the Moon. These are parts of the great lunar farside Orientale Basin (the elusive third one is the central basin itself). Those dark bits of mare are separated by mountain ranges (the first, nearest us, is the Cordillera and the next is the Rook Mountains). At high magnification you may even be able to make out the roughness of those mountain ranges against the black of the sky.

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Turn Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope - and How to Find Them (4th Edition) by Guy Consolmagno, Dan M. Davis


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