猎户座星云大观
[align=center][color=red][b]影像版权与提供:[/b] [/color][email=emmanuel.mallart@worldonline.fr][color=red]Emmanuel Mallart[/color][/email] [/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0205/orione_mallart_full.jpg[/img]
[color=green][b]说明:[/b]位在夜空中著名[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://starchild.gsfc.nasa.gov/docs/StarChild/questions/88constellations.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=ALkJrhjC42kYetIfCVgZH_UXZMXu43EROA][color=green]星座[/color][/url][color=green]内的[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap020213.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=ALkJrhjZYqLaZp4MvtOiE9K6_ulniW9biQ][color=green]猎户座大星云[/color][/url][color=green]和[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap010426.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=ALkJrhgWb0gkISYJsifOuTn0wuyd45B56g][color=green]马头星云[/color][/url][color=green] ，是一对具有鲜明对比的宇宙珍宝，它们距离地球大约有1500光年远。 [align=left]在这张美丽的组合影像中，除了这对星云外，还有其他的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://casswww.ucsd.edu/public/tutorial/ISM.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=ALkJrhitfUS45I4HIT0Tjj-GIIWaH6r_bw]星云[/url] ，它们都是巨大的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/more/oricloud.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=ALkJrhgComeL8QCkExQ3AXw5qfpx83yclw]猎户座分子云团[/url]的成员，这个星云团延伸的范围有数百光年。 [/align][align=left]影像中，壮丽的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/billa/twn/n1976x.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=ALkJrhhEeXP48uRyQDVxx8oMSpbKyN6k5A]猎户座大星云[/url] (或称为M42)位在影像的底端。 [/align][align=left]为了要呈显它中心[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap971118.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=ALkJrhgSqHV285JLX6_To8OjKbsSKytfYg]明亮的发射云气[/url] ，这部份的影像，是用快速底片再加上30秒的短曝光所完成的。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://vis.sdsc.edu/research/orion.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=ALkJrhjbcDAtpwcr5pXrts-axCj0RNGOKA]M42[/url]的上方有一群蓝色的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap010722.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=ALkJrhgsm0Ng6cOAtT4yHywFeeOwEMnD3w]反射星云[/url] ，它中心的较暗的红色发射云气，是经过额外的40分钟长曝光所摄得的。 [/align][align=left]影像左上方长形红色辉光上的小暗斑，就是黝黑的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/billa/twn/b33x.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=ALkJrhhB-Yyo3NeKOVLr_6fGg-cKZQ80Ig]马头星云[/url] 。 [/align][align=left]马头星云上方的亮星是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.gb.nrao.edu/~rmaddale/Education/OrionTourCenter/belt.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=ALkJrhjM7mDsgQyVjifJBsgroF-8Hl4Siw]参宿一(Alnitak)[/url] ，它是猎户座腰带星中最东边的一颗。 [/align][align=left]紧贴在参宿一左边的是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap990713.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=ALkJrhi_E6UQWzes-0Xx1AFjjQxDN99z_g]火焰星云[/url] ，它拥有明亮的发射云气和黝黑的尘埃丝带。 [/align][align=left]组成上面这张照片的望远镜影像是在2001年9月拍摄的，拍摄的地点在法国南部的阿尔卑斯山区，标高2800公尺的这个地点算是比较接近星星的地方。[/color] ::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align]
[[i] 本帖最后由 zheng123 于 2008-8-21 06:55 编辑 [/i]] 啥子装备拍的啊 在法国阿尔卑斯山上拍的!不知道是啥装备!!但应该很厉害的!!!::42:: ::42:: ::42:: 拍好片貌似山边和平原比较好嘛！！！！！！！！！！！ 多大倍数的望远镜，好清楚啊！
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