尼特彗星和蜂巢星团
[align=center][color=red][b]影像版权与提供:[/b] [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://faculty.coloradomtn.edu/jwestlake/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhi1x4JC-CKES3Z1brVtcNntm7Kwww][color=red]Jimmy Westlake[/color][/url][color=red] ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.coloradomtn.edu/campus_alp/home.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgraMZhRknFYKYzLuH3ZBe-bplXxg][color=red]Colorado Mountain College[/color][/url][color=red] )[/color][/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0406/q4m44_westlake_big.jpg[/img]
[color=seagreen][b]说明:[/b]对肉眼来说，彗星和星团都是很相似的模糊斑点。 [align=left]不过上个月，一颗明亮的彗星通过一个明亮[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/open_clusters.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiujVXqp-WI53F1xoXF9PwF_NgAvQ]星团[/url]的前方时，双筒望远镜和相机很轻易就可以呈现出它们之间的强烈对比。 [/align][align=left]上面这张明亮[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astronomy.com/Content/Dynamic/Articles/000/000/001/727bsdvn.asp&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiO-NuX6cLYXFo1DkssIjF0BIxQDQ]尼特彗星(C/2001 Q4 NEAT)[/url]的影像，展现了它彗发和彗尾的细微结构，以及它后方远处蜂巢星团[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/m/m044.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjMOAytSmOKRDAo1WbvD5CEXnPEZA]M44[/url]的许多恒星。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://skyandtelescope.com/observing/objects/comets/article_1262_1.asp&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgCcG5isHIZRHm7rPQ9vLk-tYN_Qw]尼特彗星[/url]亮度已经减到肉眼的视觉极限，在北半球的六月里，要找它最好借助[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://encke.jpl.nasa.gov/charts.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgoIUG23ul7TSUPLeYUZv5XzLsPLA]星图[/url]和双筒望远镜。 [/align][align=left]鬼宿星团[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap980803.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhh8DHF6L8sGn2tajmkqb0d-FQ7o0w]M44[/url]是一个位在[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astro.wisc.edu/~dolan/constellations/extra/constellations.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiB76-de56uqzl5SbhrI9a7A6DbIQ]北天[/url] [url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astronomical.org/portal/modules/wfsection/article.php%3Farticleid%3D12&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhgYxhFXHJgqNnzkrmDjxcKHPms8w]巨蟹座[/url]内的美丽开放星团。[/color] ::42:: ::42:: ::42::[size=2][color=magenta] (转自成大天文学教室)[/color][/size][/align] 蓝色慧核，我喜欢::070821_21.jpg:: 很漂亮。。::070821_21.jpg:: 太漂亮了，羡慕啊！！yct53.gif
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