By James Mullaney
This ebook describes greater than three hundred of the best celestial wonders that may be seen with universal "backyard" telescopes. The sunlight, moon, and planets within the Earth's sunlight method, in addition to such brighter asteroids are defined and their positions given, as are open megastar clusters, supernova remnants, and a number of different phenomena.
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Additional info for Celestial Harvest: 300-Plus Showpieces of the Heavens for Telescope Viewing and Contemplation
03 08 +40 57 .. . . . . ... . SS .. 2 . 4 B8V+G5IV * Algol/DemoD Star Prototype & best-known of the eclipsing binaries. 9 days one of the stars in this visually-unresolved pair passes in front of the other, causing a dimming (or 'winking' as the ancients termed it) obvious to the unaided eye. To see it, just compare Algol' s changing brightness with the constant light of nearby Mirfak. The entire eclipse from start to finish lasts just 10 hours, 2 of them at minimum light. " While not a telescopic show piece as such because of the time-span involved in seeing its magnitude fluctuate, this object is still fascinating to monitor whenever visible.
AS . . . ... . . . . . . .. ... ... ... .... . . . . . .. . .... . . . .... . . ... . .. . . . ... . , .. . . . . . . .. . .. . . .. . . 8/l . 2 185' F51 . . . . . . . . . . . . ... ....... .... . . . . . . ... . . . ... . . .. .. .. ... .. . .. .. . . . . . .. . . . . . . . . . . ..
Planetary is difficul t to locate - oval, non-uniform in brightness & blue-grey in color" in 4-inch. " "A noble though . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ .... ......... . . . . . . . . . . . . . . . .. . . . . . . . . . . . . ..................... .............. . . . . .. . rather loose assemblage of stars . . more than filling the field. . with power 93 . . on the northern verge is an extremely faint PN .