The optical images are from the Kitt Peak National Observatory in Arizona.
可见光图来自亚历桑那基特峰国家天文台。
Adds Geoffrey Burbidge, director of Kitt Peak National Observatory: "Principles and concepts cannot be measured."
基特峰国家天文台台长杰弗里·伯比奇·补充道：“原则和概念不能测量。”
Pictured above, the end of the Cat's Paw nebula was imaged from Mayall 4-meter Telescope on Kitt Peak, Arizona, USA.
上面这张猫掌星云末端的影像是由美国亚利桑那州基特峰国家天文台上的4米口径马亚望远镜拍摄的。
Note:Hubble imaging data were combined with the Kitt Peak National Observatory's 3.5-meter Wisconsin-Indiana-Yale-NOAO (WIYN) telescope data in blue light.
注：本图组合了哈勃数据和来自基特峰国立天文台（KPNO）的3.5米WIYN望远镜的蓝光图像。
Note:Hubble imaging data were combined with the Kitt Peak National Observatory's 3.5-meter Wisconsin-Indiana-Yale-NOAO (WIYN) telescope data in blue light.
注：本图组合了哈勃数据和来自基特峰国立天文台（KPNO）的3.5米WIYN望远镜的蓝光图像。
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