Hyper Suprime-Cam Captures a Clear Image of Comet ISON's Long Tails

November 25, 2013

During an intensive commissioning run, Hyper Suprime-Cam (HSC), a key instrument of the SuMIRe*1 Project, has successfully imaged the Comet ISON (C/2012 S1) as it journeys toward the Sun. Especially striking in the HSC image are the comet's long tails, which span a distance more than twice the diameter of the full moon. 

Figure 1: Comet ISON (C/2012 S1) imaged by HSC, taken during the early morning of  November 5, 2013 in Hawaii in i band (760 nm wavelength). The top of the  image is to the north, and the left part is to the east. The diameter  of the frame is 1.5 degrees. (Credit: HSC Project/NAOJ).Figure 1: Comet ISON (C/2012 S1) imaged by HSC, taken during the early morning of November 5, 2013 in Hawaii in i band (760 nm wavelength). The top of the image is to the north, and the left part is to the east. The diameter of the frame is 1.5 degrees. (Credit: HSC Project/NAOJ).

Read more in the Subaru Telescope's website

*1: SuMIRe (Subaru Measurement of Images and Redshifts) is a research project to reveal the origin and fate of the Universe by elucidating the nature of dark matter and dark energy via precision imaging using Hyper Suprime-Cam (HSC) and precision wide field spectroscopy using Prime Focus Spectrograph (PFS) on Subaru Telescope. SuMIRe web page

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