HST Observations Of Comet C/2012 S1 ("ISON")
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下载链接：
http://archive.stsci.edu/doi/resolve/resolve.html?doi=10.17909/T9HS3B
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资源简介：
A comprehensive set of Hubble Space Telescope (HST) observations of Comet ISON. Hubble Heritage program 13229 imaged the comet on 8 May 2013, using a Wide Field Camera 3 (WFC3) subarray which is half of one of the two CCDs (2K x 2K subarray). Eight identical 171-second exposures were obtained, with one dither step to mitigate bad pixels. The long-pass F350LP filter was used to maximize the signal-to-noise in one orbit. A small offset from the nominal aperture was applied to optimally position the comet and tail within the field of view. Another orbit on 30 April 2013 obtained deep fixed-pointing images of a field with Comet ISON in it, released July 16, 2013. Further details about the Heritage Comet ISON observing program are contained in the Phase II observing program.
提供机构：
STScI/MAST
创建时间：
2016-02-26
