"A valuable tool for novice and advanced stargazers." The 11 3/8 inch Firefly Planisphere is an affordable, practical tool for accurately locating night sky phenomena in the Northern Hemisphere at any time of the year -- and is now updated to include planetary tables from 2007 up to and including 2014 Charted by the month, day, hour and minute, it gives quick help on locating celestial wonders such as: Planets Stars Constellations Globular clusters Nebulae Galaxies The easy to use Firefly Planisphere features: Icons that describe star magnitudes from O to 1 (large) to 4(small). The larger the symbol, the brighter the star -making it easy to locate specific stars. Updated planetary tables with at-a-glance coordinates for locating the brightest objects in the sky until 2014. Times of sunrise and sunset for each day. An easy-to-read instructional guide describes how to use the planisphere. Both the planisphere and the guide are packaged in a protective plastic envelope.
具體描述
讀後感
評分
評分
評分
評分
用戶評價
相關圖書
本站所有內容均為互聯網搜索引擎提供的公開搜索信息，本站不存儲任何數據與內容，任何內容與數據均與本站無關，如有需要請聯繫相關搜索引擎包括但不限於百度，google,bing,sogou 等
© 2025 qciss.net All Rights Reserved. 小哈圖書下載中心 版权所有