Bubble Nebula & M52 captured by amateurs
本帖最後由 mca 於 2011-10-11 21:30 編輯Bubble Nebula & M52 captured by amateurs
http://upload.wikimedia.org/wikipedia/commons/1/16/BubbleM52HunterWilson.jpg
Bubble Nebula (APOD 2011 Oct 11)
http://apod.nasa.gov/apod/image/1110/bubble_vanvleet_1934.jpg
References:
http://apod.nasa.gov/apod/astropix.html
http://apod.nasa.gov/apod/ap090124.html
http://en.wikipedia.org/wiki/NGC_7635
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